Tapan Gayen, MD, FACP
NPI 1013991488 · Internal Medicine Physician · Greenville, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tapan Gayen, MD, FACP is a Internal Medicine Physician provider in Greenville, NC (NPI 1013991488).
Provider details
- NPI number
- 1013991488
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, FACP
- Sex
- Male
- Sole proprietor
- No
- License
- 200501109 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
494 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 230 | $78 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 169 | $116 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 95 | $112 |
Typical Medicare-allowed amounts for these services range $78–$116 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 32 | 16 |
| Ondansetron Hcl | 29 | 29 |
| Pantoprazole Sodium | 26 | 22 |
| Oxycodone Hcl | 22 | 22 |
| Metoprolol Tartrate | 20 | 14 |
| Metoprolol Succinate | 14 | 13 |
| Hydralazine Hcl | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$135 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-30
- Last updated
- 2020-12-15
- Certified
- 2020-12-15
Frequently asked questions
- What is Tapan Gayen's NPI number?
- Tapan Gayen's National Provider Identifier (NPI) is 1013991488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tapan Gayen's specialty?
- Tapan Gayen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tapan Gayen located?
- Tapan Gayen's practice location on file with NPPES is 2100 Stantonsburg Rd, Greenville, NC 27834-2818.
- What is Tapan Gayen's phone number?
- The practice phone number listed in the NPPES registry for Tapan Gayen is (252) 847-5473.
- Does Tapan Gayen accept Medicare?
- Tapan Gayen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tapan Gayen's NPI active?
- Yes — Tapan Gayen's NPI (1013991488) is active in the NPPES registry as of the last update on 2020-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.