Total Payments
$3,552
2024 Payments
$195.02
Companies
22
Transactions
195
Medicare Patients
2,545
Medicare Billing
$259,277
Payment Breakdown by Category
Food & Beverage$3,459 (97.4%)
Education$92.64 (2.6%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $3,459 | 177 | 97.4% |
| Education | $92.64 | 18 | 2.6% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Amarin Pharma Inc. | $770.51 | 41 | $0 (2020) |
| AstraZeneca Pharmaceuticals LP | $528.61 | 29 | $0 (2021) |
| PFIZER INC. | $458.19 | 43 | $0 (2021) |
| Novo Nordisk Inc | $413.12 | 16 | $0 (2024) |
| Amgen Inc. | $289.76 | 13 | $0 (2024) |
| ABBVIE INC. | $168.59 | 4 | $0 (2024) |
| Lilly USA, LLC | $132.89 | 8 | $0 (2021) |
| Kowa Pharmaceuticals America, Inc. | $132.80 | 6 | $0 (2019) |
| Bayer HealthCare Pharmaceuticals Inc. | $124.17 | 1 | $0 (2022) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $92.12 | 6 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $195.02 | 9 | ABBVIE INC. ($55.54) |
| 2023 | $87.69 | 1 | ABBVIE INC. ($87.69) |
| 2022 | $124.17 | 1 | Bayer HealthCare Pharmaceuticals Inc. ($124.17) |
| 2021 | $63.65 | 3 | PFIZER INC. ($26.18) |
| 2020 | $345.94 | 19 | Amarin Pharma Inc. ($73.44) |
| 2019 | $934.91 | 47 | Amarin Pharma Inc. ($235.30) |
| 2018 | $852.65 | 51 | Novo Nordisk Inc ($169.84) |
| 2017 | $947.72 | 64 | Amarin Pharma Inc. ($348.75) |
All Payment Transactions
195 individual payment records from CMS Open Payments — Page 1 of 8
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/10/2024 | Amgen Inc. | EVENITY (Biological), Prolia | Food and Beverage | In-kind items and services | $22.65 | General |
| Category: Bone Health | ||||||
| 12/04/2024 | Otsuka America Pharmaceutical, Inc. | REXULTI (Drug) | Food and Beverage | In-kind items and services | $22.97 | General |
| Category: PSYCHIATRY | ||||||
| 10/08/2024 | Otsuka America Pharmaceutical, Inc. | REXULTI (Drug) | Food and Beverage | In-kind items and services | $20.30 | General |
| Category: PSYCHIATRY | ||||||
| 10/04/2024 | Dexcom, Inc. | Dexcom G6 Transmitter (Medical Supply) | Food and Beverage | In-kind items and services | $23.45 | General |
| Category: Endocrinology | ||||||
| 09/25/2024 | ABBVIE INC. | QULIPTA (Drug) | Food and Beverage | In-kind items and services | $26.70 | General |
| Category: NEUROSCIENCE | ||||||
| 08/07/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $13.67 | General |
| Category: DIABETES | ||||||
| 06/10/2024 | Amgen Inc. | EVENITY (Biological), Prolia | Food and Beverage | In-kind items and services | $14.13 | General |
| Category: Bone Health | ||||||
| 04/02/2024 | Novo Nordisk Inc | Ozempic (Drug), Rybelsus | Food and Beverage | In-kind items and services | $22.31 | General |
| Category: Diabetes | ||||||
| 01/31/2024 | ABBVIE INC. | BOTOX (Biological) | Food and Beverage | In-kind items and services | $28.84 | General |
| Category: BOTOX THERAPEUTIC | ||||||
| 07/25/2023 | ABBVIE INC. | — | Food and Beverage | In-kind items and services | $87.69 | General |
| 09/03/2022 | Bayer HealthCare Pharmaceuticals Inc. | Kerendia (Drug) | Food and Beverage | In-kind items and services | $124.17 | General |
| Category: Cardio-renal | ||||||
| 07/22/2021 | PFIZER INC. | ELIQUIS (Drug), COLOGUARD DNA CAPTURE REAGENTS | Food and Beverage | In-kind items and services | $26.18 | General |
| Category: CARDIOVASCULAR;METABOLIC DISEASE | ||||||
| 07/09/2021 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $19.50 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 01/15/2021 | Lilly USA, LLC | TRULICITY (Drug), JARDIANCE | Food and Beverage | In-kind items and services | $17.97 | General |
| Category: Diabetes | ||||||
| 12/11/2020 | Amarin Pharma Inc. | Vascepa (Drug) | Food and Beverage | In-kind items and services | $13.54 | General |
| Category: Cardiovascular | ||||||
| 11/18/2020 | Novo Nordisk Inc | Ozempic (Drug), RYBELSUS | Food and Beverage | In-kind items and services | $12.75 | General |
| Category: Diabetes | ||||||
| 10/30/2020 | PFIZER INC. | CHANTIX (Drug), ELIQUIS | Food and Beverage | In-kind items and services | $18.69 | General |
| Category: NEUROSCIENCE;TOBACCO DEPENDENCE | ||||||
| 10/28/2020 | AbbVie Inc. | LINZESS (Drug), CREON | Food and Beverage | In-kind items and services | $25.36 | General |
| Category: GASTROENTEROLOGY | ||||||
| 09/25/2020 | Lilly USA, LLC | TRULICITY (Drug), JARDIANCE | Food and Beverage | In-kind items and services | $13.83 | General |
| Category: Diabetes | ||||||
| 09/04/2020 | Amarin Pharma Inc. | Vascepa (Drug) | Food and Beverage | In-kind items and services | $23.02 | General |
| Category: Cardiovascular | ||||||
| 08/28/2020 | PFIZER INC. | PREVNAR 13 (Biological) | Food and Beverage | In-kind items and services | $17.55 | General |
| Category: VACCINES | ||||||
| 08/21/2020 | Lilly USA, LLC | TRULICITY (Drug), JARDIANCE | Food and Beverage | In-kind items and services | $19.67 | General |
| Category: Diabetes | ||||||
| 08/14/2020 | PFIZER INC. | CHANTIX (Drug), ELIQUIS | Food and Beverage | In-kind items and services | $23.05 | General |
| Category: NEUROSCIENCE;TOBACCO DEPENDENCE | ||||||
| 08/07/2020 | Amarin Pharma Inc. | Vascepa (Drug) | Food and Beverage | In-kind items and services | $16.47 | General |
| Category: Cardiovascular | ||||||
| 07/24/2020 | GlaxoSmithKline, LLC. | TRELEGY ELLIPTA (Drug) | Food and Beverage | In-kind items and services | $18.97 | General |
| Category: RESPIRATORY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 7 | 380 | 517 | $97,444 | $45,373 |
| 2022 | 6 | 438 | 726 | $135,270 | $64,279 |
| 2021 | 10 | 599 | 970 | $131,201 | $61,939 |
| 2020 | 15 | 1,128 | 1,637 | $148,387 | $87,685 |
Total Patients
2,545
Total Services
3,850
Medicare Billing
$259,277
Procedure Codes
38
All Medicare Procedures & Services
38 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 164 | 247 | $53,457 | $24,900 | 46.6% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 93 | 144 | $21,981 | $8,831 | 40.2% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2023 | 55 | 55 | $12,179 | $7,421 | 60.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 17 | 17 | $4,739 | $2,286 | 48.2% |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | Office | 2023 | 17 | 18 | $2,775 | $1,131 | 40.7% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 12 | 13 | $1,234 | $535.91 | 43.4% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2023 | 22 | 23 | $1,078 | $267.74 | 24.8% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 182 | 375 | $81,130 | $38,670 | 47.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 112 | 184 | $28,132 | $12,950 | 46.0% |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | Office | 2022 | 69 | 91 | $14,023 | $6,688 | 47.7% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 25 | 25 | $6,969 | $3,485 | 50.0% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2022 | 15 | 15 | $3,322 | $2,074 | 62.4% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2022 | 35 | 36 | $1,694 | $411.83 | 24.3% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 313 | 663 | $99,790 | $43,541 | 43.6% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2021 | 41 | 41 | $5,586 | $5,586 | 100.0% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 68 | 86 | $9,105 | $4,482 | 49.2% |
| 99442 | Physician telephone patient service, 11-20 minutes of medical discussion | Office | 2021 | 48 | 49 | $4,891 | $2,606 | 53.3% |
| 99215 | Established patient outpatient visit, total time 40-54 minutes | Office | 2021 | 17 | 17 | $4,280 | $1,999 | 46.7% |
| 99204 | New patient outpatient visit, total time 45-59 minutes | Office | 2021 | 21 | 21 | $4,115 | $1,915 | 46.5% |
| 90662 | Vaccine for influenza for injection into muscle, split virus, preservation free | Office | 2021 | 15 | 15 | $862.21 | $805.96 | 93.5% |
| 93000 | Routine ekg using at least 12 leads including interpretation and report | Office | 2021 | 44 | 46 | $1,157 | $488.53 | 42.2% |
| G0008 | Administration of influenza virus vaccine | Office | 2021 | 17 | 17 | $436.39 | $313.59 | 71.9% |
| 92250 | Photography of the retina | Office | 2021 | 15 | 15 | $977.98 | $202.18 | 20.7% |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | Office | 2020 | 341 | 755 | $89,644 | $37,640 | 42.0% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2020 | 148 | 148 | $18,692 | $18,457 | 98.7% |
About Dr. Ma Rosario Guzman, M.D
Dr. Ma Rosario Guzman, M.D is a Family Medicine healthcare provider based in Makawao, Hawaii. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/13/2006. The National Provider Identifier (NPI) number assigned to this provider is 1538184221.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Ma Rosario Guzman, M.D has received a total of $3,552 in payments from pharmaceutical and medical device companies, with $195.02 received in 2024. These payments were reported across 195 transactions from 22 companies. The most common payment nature is "Food and Beverage" ($3,459).
As a Medicare-enrolled provider, Guzman has provided services to 2,545 Medicare beneficiaries, totaling 3,850 services with total Medicare billing of $259,277. Data is available for 4 years (2020–2023), covering 38 distinct procedure/service records.
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Practice Information
- Specialty Family Medicine
- Location Makawao, HI
- Active Since 07/13/2006
- Last Updated 05/01/2025
- Taxonomy Code 207Q00000X
- Entity Type Individual
- NPI Number 1538184221
Products in Payments
- Vascepa (Drug) $770.51
- FARXIGA (Drug) $367.82
- Ozempic (Drug) $361.01
- Livalo (Drug) $132.80
- Kerendia (Drug) $124.17
- CHANTIX (Drug) $112.52
- SYMBICORT (Drug) $106.08
- TRULICITY (Drug) $104.88
- LYRICA (Drug) $101.27
- EVENITY (Biological) $99.10
- Prolia (Biological) $92.65
- PREVNAR - 13 (Biological) $88.49
- PRALUENT (Drug) $73.70
- Aimovig (Biological) $70.08
- Trintellix (Drug) $57.16
- JANUVIA (Drug) $54.60
- JARDIANCE (Drug) $52.71
- BREO (Drug) $45.09
- REXULTI (Drug) $43.27
- ELIQUIS (Drug) $40.20
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Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.