Total Payments
$8,622
2024 Payments
$1,385
Companies
37
Transactions
708
Medicare Patients
5,665
Medicare Billing
$303,854
Payment Breakdown by Category
Food & Beverage$8,567 (99.4%)
Education$55.00 (0.6%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $8,567 | 705 | 99.4% |
| Education | $55.00 | 3 | 0.6% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| PFIZER INC. | $1,530 | 119 | $0 (2024) |
| Novo Nordisk Inc | $1,120 | 125 | $0 (2024) |
| ABBVIE INC. | $978.88 | 78 | $0 (2024) |
| GlaxoSmithKline, LLC. | $898.93 | 98 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $555.58 | 37 | $0 (2024) |
| Lilly USA, LLC | $499.36 | 62 | $0 (2024) |
| Amgen Inc. | $401.64 | 25 | $0 (2023) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $318.30 | 18 | $0 (2024) |
| Novartis Pharmaceuticals Corporation | $259.47 | 20 | $0 (2024) |
| Janssen Pharmaceuticals, Inc | $246.19 | 15 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,385 | 73 | ABBVIE INC. ($350.56) |
| 2023 | $1,279 | 70 | PFIZER INC. ($275.50) |
| 2022 | $760.29 | 52 | PFIZER INC. ($157.00) |
| 2021 | $819.43 | 65 | PFIZER INC. ($255.91) |
| 2020 | $1,001 | 76 | Amgen Inc. ($146.29) |
| 2019 | $1,028 | 105 | Novo Nordisk Inc ($276.05) |
| 2018 | $1,013 | 102 | GlaxoSmithKline, LLC. ($221.07) |
| 2017 | $1,336 | 165 | Novo Nordisk Inc ($217.11) |
All Payment Transactions
708 individual payment records from CMS Open Payments — Page 1 of 29
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/12/2024 | PFIZER INC. | PREVNAR 20 (Biological), COMIRNATY, ABRYSVO | Food and Beverage | In-kind items and services | $25.00 | General |
| Category: VACCINES | ||||||
| 12/11/2024 | PFIZER INC. | PAXLOVID (Drug) | Food and Beverage | In-kind items and services | $18.84 | General |
| Category: INFECTIOUS DISEASES | ||||||
| 12/03/2024 | Novo Nordisk Inc | Ozempic (Drug), Rybelsus | Food and Beverage | In-kind items and services | $18.35 | General |
| Category: Diabetes | ||||||
| 11/22/2024 | ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | CAPLYTA (Drug) | Food and Beverage | In-kind items and services | $22.96 | General |
| Category: PSYCHIATRY | ||||||
| 11/14/2024 | Novo Nordisk Inc | Rybelsus (Drug), Ozempic | Food and Beverage | In-kind items and services | $18.44 | General |
| Category: Diabetes | ||||||
| 11/13/2024 | Takeda Pharmaceuticals U.S.A., Inc. | TRINTELLIX (Drug) | Food and Beverage | In-kind items and services | $16.44 | General |
| Category: NEUROSCIENCE | ||||||
| 11/12/2024 | Lilly USA, LLC | MOUNJARO (Drug), ZEPBOUND | Food and Beverage | In-kind items and services | $13.41 | General |
| Category: Diabetes | ||||||
| 11/11/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | OFEV (Drug) | Food and Beverage | In-kind items and services | $18.40 | General |
| Category: RESPIRATORY | ||||||
| 11/06/2024 | ABBVIE INC. | UBRELVY (Drug), QULIPTA | Food and Beverage | In-kind items and services | $11.01 | General |
| Category: NEUROSCIENCE | ||||||
| 11/05/2024 | ABBVIE INC. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $16.57 | General |
| Category: NEUROSCIENCE | ||||||
| 11/04/2024 | GlaxoSmithKline, LLC. | SHINGRIX (Biological), AREXVY, BOOSTRIX | Food and Beverage | In-kind items and services | $15.20 | General |
| Category: VACCINES | ||||||
| 10/30/2024 | Novo Nordisk Inc | Wegovy (Drug) | Food and Beverage | In-kind items and services | $16.88 | General |
| Category: Obesity | ||||||
| 10/24/2024 | PFIZER INC. | PREVNAR 20 (Biological), COMIRNATY, ABRYSVO | Food and Beverage | In-kind items and services | $25.00 | General |
| Category: VACCINES | ||||||
| 10/22/2024 | ABBVIE INC. | QULIPTA (Drug), UBRELVY | Food and Beverage | In-kind items and services | $9.68 | General |
| Category: NEUROSCIENCE | ||||||
| 10/17/2024 | Lilly USA, LLC | MOUNJARO (Drug), ZEPBOUND | Food and Beverage | In-kind items and services | $13.35 | General |
| Category: Diabetes | ||||||
| 10/04/2024 | ABBVIE INC. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $23.97 | General |
| Category: NEUROSCIENCE | ||||||
| 10/02/2024 | Novo Nordisk Inc | — | Food and Beverage | In-kind items and services | $12.86 | General |
| 09/24/2024 | PFIZER INC. | PREVNAR 20 (Biological), COMIRNATY, ABRYSVO | Food and Beverage | In-kind items and services | $24.95 | General |
| Category: VACCINES | ||||||
| 09/23/2024 | Novo Nordisk Inc | Ozempic (Drug), Rybelsus | Food and Beverage | In-kind items and services | $12.51 | General |
| Category: Diabetes | ||||||
| 09/19/2024 | SANOFI PASTEUR INC. | BEYFORTUS (Biological), FLUBLOK QUADRIVALENT NORTHERN HEMISPHERE, FLUZONE HIGH-DOSE | Food and Beverage | In-kind items and services | $20.45 | General |
| Category: Vaccines | ||||||
| 09/16/2024 | ABBVIE INC. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $27.22 | General |
| Category: NEUROSCIENCE | ||||||
| 08/30/2024 | Merck Sharp & Dohme LLC | GARDASIL (Biological), VAXNEUVANCE, CAPVAXIVE | Food and Beverage | In-kind items and services | $28.52 | General |
| Category: VACCINE | ||||||
| 08/29/2024 | PFIZER INC. | PREVNAR 20 (Biological), COMIRNATY, ABRYSVO | Food and Beverage | In-kind items and services | $24.80 | General |
| Category: VACCINES | ||||||
| 08/23/2024 | Novo Nordisk Inc | Ozempic (Drug), Rybelsus | Food and Beverage | In-kind items and services | $13.76 | General |
| Category: Diabetes | ||||||
| 08/13/2024 | ABBVIE INC. | UBRELVY (Drug) | Food and Beverage | In-kind items and services | $16.34 | General |
| Category: NEUROSCIENCE | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 24 | 1,065 | 1,824 | $168,763 | $59,908 |
| 2022 | 24 | 1,486 | 2,476 | $210,221 | $93,857 |
| 2021 | 26 | 1,449 | 2,202 | $134,817 | $84,064 |
| 2020 | 32 | 1,665 | 2,153 | $137,535 | $66,026 |
Total Patients
5,665
Total Services
8,655
Medicare Billing
$303,854
Procedure Codes
106
All Medicare Procedures & Services
106 procedure records from CMS Medicare Utilization — Page 1 of 5
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 190 | 357 | $71,574 | $25,445 | 35.6% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 135 | 183 | $25,355 | $9,700 | 38.3% |
| 90677 | Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Office | 2023 | 17 | 17 | $11,920 | $4,804 | 40.3% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2023 | 39 | 39 | $10,002 | $4,669 | 46.7% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 28 | 28 | $7,294 | $2,931 | 40.2% |
| 90662 | Influenza vaccine split virus, preservative free | Office | 2023 | 26 | 26 | $4,706 | $1,867 | 39.7% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2023 | 134 | 200 | $4,925 | $1,672 | 34.0% |
| 87502 | Detection test by nucleic acid for multiple types influenza virus | Office | 2023 | 17 | 17 | $4,930 | $1,596 | 32.4% |
| U0002 | 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc | Office | 2023 | 20 | 21 | $2,142 | $1,056 | 49.3% |
| 96372 | Injection of drug or substance under skin or into muscle | Office | 2023 | 78 | 125 | $6,473 | $1,032 | 15.9% |
| G0008 | Administration of influenza virus vaccine | Office | 2023 | 27 | 27 | $1,316 | $757.35 | 57.5% |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Office | 2023 | 21 | 21 | $2,100 | $727.02 | 34.6% |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | Office | 2023 | 20 | 40 | $1,320 | $648.80 | 49.2% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 15 | 15 | $2,675 | $608.01 | 22.7% |
| 80305 | Testing for presence of drug, read by direct observation | Office | 2023 | 22 | 42 | $1,272 | $509.88 | 40.1% |
| G0009 | Administration of pneumococcal vaccine | Office | 2023 | 18 | 18 | $876.00 | $504.90 | 57.6% |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Office | 2023 | 57 | 62 | $3,366 | $466.82 | 13.9% |
| 83036 | Hemoglobin a1c level | Office | 2023 | 22 | 27 | $1,674 | $257.04 | 15.4% |
| G0444 | Annual depression screening, 5 to 15 minutes | Office | 2023 | 14 | 14 | $577.00 | $233.66 | 40.5% |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Office | 2023 | 50 | 260 | $1,080 | $156.60 | 14.5% |
| 81003 | Automated urinalysis test | Office | 2023 | 52 | 59 | $590.00 | $128.53 | 21.8% |
| 81002 | Urinalysis, manual test | Office | 2023 | 24 | 30 | $540.00 | $102.30 | 18.9% |
| J0696 | Injection, ceftriaxone sodium, per 250 mg | Office | 2023 | 13 | 68 | $1,880 | $25.84 | 1.4% |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | Office | 2023 | 26 | 128 | $176.00 | $9.60 | 5.5% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 332 | 612 | $112,012 | $51,987 | 46.4% |
About Dr. Stephen Hammack, MD
Dr. Stephen Hammack, MD is a Family Medicine healthcare provider based in Flowood, Mississippi. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/20/2007. The National Provider Identifier (NPI) number assigned to this provider is 1639396393.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Stephen Hammack, MD has received a total of $8,622 in payments from pharmaceutical and medical device companies, with $1,385 received in 2024. These payments were reported across 708 transactions from 37 companies. The most common payment nature is "Food and Beverage" ($8,567).
As a Medicare-enrolled provider, Hammack has provided services to 5,665 Medicare beneficiaries, totaling 8,655 services with total Medicare billing of $303,854. Data is available for 4 years (2020–2023), covering 106 distinct procedure/service records.
Ad
Practice Information
- Specialty Family Medicine
- Location Flowood, MS
- Active Since 04/20/2007
- Last Updated 06/12/2023
- Taxonomy Code 207Q00000X
- Entity Type Individual
- NPI Number 1639396393
Products in Payments
- VRAYLAR (Drug) $656.04
- Ozempic (Drug) $461.31
- FARXIGA (Drug) $420.33
- JARDIANCE (Drug) $396.60
- ELIQUIS (Drug) $376.06
- CHANTIX (Drug) $302.06
- TRELEGY ELLIPTA (Drug) $269.53
- ENTRESTO (Drug) $259.47
- PREVNAR 20 (Biological) $255.35
- XARELTO (Drug) $246.19
- Victoza (Drug) $238.50
- UBRELVY (Drug) $193.96
- BREO (Drug) $180.89
- FREESTYLE LIBRE 2 (Device) $180.03
- ANORO (Drug) $171.74
- EVENITY (Biological) $166.89
- MOUNJARO (Drug) $160.38
- INSPIRE (Device) $146.63
- Tresiba (Drug) $141.57
- VYEPTI (Biological) $140.94
Explore
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.
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