Subhendu Narayan, M.D.
NPI 1427169002 · Gastroenterology Physician · Berkeley, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Subhendu Narayan, M.D. is a Gastroenterology Physician provider in Berkeley, CA (NPI 1427169002).
Provider details
- NPI number
- 1427169002
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G62132 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,335 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 426 | $156 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 159 | $84 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 134 | $201 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 96 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $112 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 380 | 151 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 263 | 255 |
| Famotidine | 218 | 91 |
| Pantoprazole Sodium | 114 | 49 |
| Mesalamine | 38 | 14 |
| Lansoprazole | 28 | — |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 22 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$180 across 7 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
- 2006-08-31
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is Subhendu Narayan's NPI number?
- Subhendu Narayan's National Provider Identifier (NPI) is 1427169002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Subhendu Narayan's specialty?
- Subhendu Narayan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Subhendu Narayan located?
- Subhendu Narayan's practice location on file with NPPES is 2510 Webster St, Berkeley, CA 94705-2557.
- What is Subhendu Narayan's phone number?
- The practice phone number listed in the NPPES registry for Subhendu Narayan is (510) 548-6555.
- Does Subhendu Narayan accept Medicare?
- Subhendu Narayan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Subhendu Narayan's NPI active?
- Yes — Subhendu Narayan's NPI (1427169002) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.