Martina Gunaratnam, M.D.
NPI 1992918312 · Psychiatry Physician · Mariposa, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martina Gunaratnam, M.D. is a Psychiatry Physician provider in Mariposa, CA (NPI 1992918312).
Provider details
- NPI number
- 1992918312
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- C143972 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 68 | 14 |
| Risperidone | 64 | 11 |
| Buspirone Hcl | 55 | 11 |
| Aripiprazole | 52 | — |
| Olanzapine | 52 | — |
| Sertraline Hcl | 50 | — |
| Escitalopram Oxalate | 48 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2025-12-11
- Certified
- 2025-12-11
Frequently asked questions
- What is Martina Gunaratnam's NPI number?
- Martina Gunaratnam's National Provider Identifier (NPI) is 1992918312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martina Gunaratnam's specialty?
- Martina Gunaratnam is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Martina Gunaratnam located?
- Martina Gunaratnam's practice location on file with NPPES is 5362 Lemee Ln, Mariposa, CA 95338-9556.
- What is Martina Gunaratnam's phone number?
- The practice phone number listed in the NPPES registry for Martina Gunaratnam is (209) 966-2000.
- Does Martina Gunaratnam accept Medicare?
- Martina Gunaratnam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martina Gunaratnam's NPI active?
- Yes — Martina Gunaratnam's NPI (1992918312) is active in the NPPES registry as of the last update on 2025-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.