Nikhil Majumdar, M.D.
NPI 1982818480 · Psychiatry Physician · San Rafael, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nikhil Majumdar, M.D. is a Psychiatry Physician provider in San Rafael, CA (NPI 1982818480).
Provider details
- NPI number
- 1982818480
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301095166 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
55 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 55 | $144 |
Typical Medicare-allowed amounts for these services range $144–$144 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bupropion Hclbrand: Bupropion Xl | 51 | 13 |
| Clonazepam | 42 | — |
| Zolpidem Tartrate | 25 | — |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 23 | — |
| Sertraline Hcl | 21 | — |
| Quetiapine Fumarate | 20 | — |
Practice location
Mailing address
Additional practice locations (1)
- 360 Post St Ste 500San Francisco, CA 94108-4908Phone: (415) 213-2540Fax: (415) 964-5419
Registry dates
- Enumerated
- 2007-05-10
- Last updated
- 2019-08-15
Frequently asked questions
- What is Nikhil Majumdar's NPI number?
- Nikhil Majumdar's National Provider Identifier (NPI) is 1982818480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nikhil Majumdar's specialty?
- Nikhil Majumdar is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Nikhil Majumdar located?
- Nikhil Majumdar's practice location on file with NPPES is 361 3rd St Ste a, San Rafael, CA 94901-3580.
- What is Nikhil Majumdar's phone number?
- The practice phone number listed in the NPPES registry for Nikhil Majumdar is (415) 612-1908.
- Does Nikhil Majumdar accept Medicare?
- Nikhil Majumdar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nikhil Majumdar's NPI active?
- Yes — Nikhil Majumdar's NPI (1982818480) is active in the NPPES registry as of the last update on 2019-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.