Total Payments
$3,826
2024 Payments
$1,161
Companies
15
Transactions
115
Medicare Patients
81
Medicare Billing
$15,708
Payment Breakdown by Category
Food & Beverage$3,711 (97.0%)
Education$114.57 (3.0%)
Other$0.00 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $3,711 | 105 | 97.0% |
| Education | $114.57 | 10 | 3.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Alkermes, Inc. | $769.10 | 37 | $0 (2024) |
| ABBVIE INC. | $419.80 | 7 | $0 (2024) |
| Janssen Pharmaceuticals, Inc | $416.62 | 14 | $0 (2024) |
| Avanir Pharmaceuticals, Inc. | $405.43 | 4 | $0 (2017) |
| Neurocrine Biosciences, Inc. | $389.77 | 6 | $0 (2024) |
| Allergan Inc. | $291.17 | 10 | $0 (2019) |
| Otsuka America Pharmaceutical, Inc. | $265.70 | 26 | $0 (2019) |
| Alexion Pharmaceuticals, Inc. | $250.00 | 2 | $0 (2024) |
| Biohaven Pharmaceuticals, Inc. | $152.69 | 2 | $0 (2021) |
| Amgen Inc. | $125.00 | 1 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,161 | 18 | Neurocrine Biosciences, Inc. ($317.04) |
| 2023 | $457.34 | 9 | AbbVie Inc. ($178.03) |
| 2022 | $176.91 | 8 | Alkermes, Inc. ($103.66) |
| 2021 | $522.46 | 15 | Alkermes, Inc. ($203.31) |
| 2020 | $132.47 | 7 | Alkermes, Inc. ($89.60) |
| 2019 | $340.94 | 14 | Allergan Inc. ($152.50) |
| 2018 | $455.86 | 25 | Allergan Inc. ($138.67) |
| 2017 | $579.06 | 19 | Avanir Pharmaceuticals, Inc. ($405.43) |
All Payment Transactions
115 individual payment records from CMS Open Payments — Page 1 of 5
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/06/2024 | Alkermes, Inc. | ARISTADA (Drug), ARISTADA, ARISTADA | Food and Beverage | In-kind items and services | $26.54 | General |
| Category: CNS | ||||||
| 11/25/2024 | Janssen Pharmaceuticals, Inc | INVEGA SUSTENNA (Drug) | Food and Beverage | In-kind items and services | $35.03 | General |
| Category: Neuroscience | ||||||
| 09/13/2024 | Janssen Pharmaceuticals, Inc | INVEGA SUSTENNA (Drug) | Food and Beverage | In-kind items and services | $42.09 | General |
| Category: Neuroscience | ||||||
| 08/22/2024 | Neurocrine Biosciences, Inc. | INGREZZA (Drug) | Food and Beverage | In-kind items and services | $171.61 | General |
| Category: Neuropsychiatry | ||||||
| 07/17/2024 | ABBVIE INC. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $16.30 | General |
| Category: NEUROSCIENCE | ||||||
| 07/11/2024 | Alexion Pharmaceuticals, Inc. | ULTOMIRIS (Biological) | Food and Beverage | In-kind items and services | $125.00 | General |
| Category: Rare Disease | ||||||
| 06/10/2024 | Alkermes, Inc. | ARISTADA (Drug), ARISTADA, ARISTADA | Food and Beverage | In-kind items and services | $29.67 | General |
| Category: CNS | ||||||
| 06/07/2024 | Janssen Pharmaceuticals, Inc | INVEGA SUSTENNA (Drug), INVEGA TRINZA | Food and Beverage | In-kind items and services | $35.32 | General |
| Category: Neuroscience | ||||||
| 06/07/2024 | Janssen Pharmaceuticals, Inc | INVEGA SUSTENNA (Drug), INVEGA TRINZA | Food and Beverage | In-kind items and services | $3.20 | General |
| Category: Neuroscience | ||||||
| 06/06/2024 | Neurocrine Biosciences, Inc. | INGREZZA (Drug) | Food and Beverage | In-kind items and services | $145.43 | General |
| Category: Neuropsychiatry | ||||||
| 05/17/2024 | Janssen Pharmaceuticals, Inc | INVEGA SUSTENNA (Drug) | Food and Beverage | In-kind items and services | $128.04 | General |
| Category: Neuroscience | ||||||
| 04/16/2024 | SK Life Science, Inc. | XCOPRI (Drug) | Food and Beverage | In-kind items and services | $125.00 | General |
| Category: Neurology | ||||||
| 04/13/2024 | ABBVIE INC. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $34.85 | General |
| Category: NEUROSCIENCE | ||||||
| 04/08/2024 | Janssen Pharmaceuticals, Inc | INVEGA SUSTENNA (Drug), INVEGA TRINZA | Food and Beverage | In-kind items and services | $28.33 | General |
| Category: Neuroscience | ||||||
| 04/03/2024 | Alkermes, Inc. | ARISTADA (Drug), ARISTADA, ARISTADA | Food and Beverage | In-kind items and services | $27.60 | General |
| Category: CNS | ||||||
| 02/22/2024 | Alexion Pharmaceuticals, Inc. | ULTOMIRIS (Biological) | Food and Beverage | In-kind items and services | $125.00 | General |
| Category: Rare Disease | ||||||
| 01/31/2024 | ABBVIE INC. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $20.56 | General |
| Category: NEUROSCIENCE | ||||||
| 01/26/2024 | ABBVIE INC. | BOTOX (Biological) | Food and Beverage | In-kind items and services | $41.00 | General |
| Category: BOTOX THERAPEUTIC | ||||||
| 11/03/2023 | Alkermes, Inc. | ARISTADA (Drug), ARISTADA, ARISTADA | Food and Beverage | In-kind items and services | $27.99 | General |
| Category: CNS | ||||||
| 07/14/2023 | Alkermes, Inc. | ARISTADA (Drug), ARISTADA, ARISTADA | Food and Beverage | In-kind items and services | $23.56 | General |
| Category: CNS | ||||||
| 06/08/2023 | AbbVie Inc. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $25.33 | General |
| Category: NEUROSCIENCE | ||||||
| 05/23/2023 | Alkermes, Inc. | ARISTADA (Drug), ARISTADA, ARISTADA | Food and Beverage | In-kind items and services | $25.54 | General |
| Category: CNS | ||||||
| 04/24/2023 | Alkermes, Inc. | ARISTADA (Drug), ARISTADA, ARISTADA | Food and Beverage | In-kind items and services | $29.81 | General |
| Category: CNS | ||||||
| 02/24/2023 | Alkermes, Inc. | ARISTADA (Drug), ARISTADA, ARISTADA | Food and Beverage | In-kind items and services | $24.02 | General |
| Category: CNS | ||||||
| 01/28/2023 | AbbVie Inc. | BOTOX (Biological) | Food and Beverage | In-kind items and services | $152.70 | General |
| Category: BOTOX THERAPEUTIC | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 2 | 27 | 95 | $10,314 | $5,077 |
| 2022 | 1 | 13 | 52 | $5,445 | $3,109 |
| 2021 | 2 | 30 | 106 | $11,560 | $5,852 |
| 2020 | 1 | 11 | 33 | $3,455 | $1,669 |
Total Patients
81
Total Services
286
Medicare Billing
$15,708
Procedure Codes
6
All Medicare Procedures & Services
6 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 16 | 60 | $6,283 | $3,463 | 55.1% |
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | Office | 2023 | 11 | 35 | $4,031 | $1,614 | 40.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 13 | 52 | $5,445 | $3,109 | 57.1% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 17 | 62 | $6,492 | $3,643 | 56.1% |
| 90833 | Psychotherapy performed with evaluation and management visit, 30 minutes | Office | 2021 | 13 | 44 | $5,068 | $2,210 | 43.6% |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | Office | 2020 | 11 | 33 | $3,455 | $1,669 | 48.3% |
About Dr. Alan Buffenstein, M.D
Dr. Alan Buffenstein, M.D is a Psychiatry healthcare provider based in Honolulu, Hawaii. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 09/21/2006. The National Provider Identifier (NPI) number assigned to this provider is 1639278104.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Alan Buffenstein, M.D has received a total of $3,826 in payments from pharmaceutical and medical device companies, with $1,161 received in 2024. These payments were reported across 115 transactions from 15 companies. The most common payment nature is "Food and Beverage" ($3,711).
As a Medicare-enrolled provider, Buffenstein has provided services to 81 Medicare beneficiaries, totaling 286 services with total Medicare billing of $15,708. Data is available for 4 years (2020–2023), covering 6 distinct procedure/service records.
Ad
Practice Information
- Specialty Psychiatry
- Other Specialties Geriatric Psychiatry, Pain Medicine
- Location Honolulu, HI
- Active Since 09/21/2006
- Last Updated 02/01/2011
- Taxonomy Code 2084P0800X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1639278104
Products in Payments
- ARISTADA (Drug) $707.03
- INVEGA SUSTENNA (Drug) $389.98
- INGREZZA (Drug) $389.77
- ULTOMIRIS (Biological) $250.00
- VRAYLAR (Drug) $242.90
- ONZETRA Xsail (Drug) $228.19
- BOTOX (Biological) $193.70
- NURTEC ODT (Drug) $184.10
- UBRELVY (Drug) $129.06
- Aimovig (Biological) $125.00
- BOTOX (Drug) $125.00
- UPLIZNA (Drug) $125.00
- XCOPRI (Drug) $125.00
- ABILIFY MAINTENA (Drug) $124.43
- NUEDEXTA (Drug) $100.71
- REXULTI (Drug) $73.08
- Aristada 441 mg (Drug) $62.07
- AUSTEDO (Drug) $44.26
- SPRAVATO (Drug) $26.64
- BYSTOLIC (Drug) $20.31
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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