Nishina Thomas, MD
NPI 1174933204 · Psychiatry Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nishina Thomas, MD is a Psychiatry Physician provider in Palo Alto, CA (NPI 1174933204).
Provider details
- NPI number
- 1174933204
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A154908 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
96 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 46 | $204 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $146 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 19 | $66 |
Typical Medicare-allowed amounts for these services range $66–$204 (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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Divalproex Sodiumbrand: Divalproex Sodium Er | 87 |
| Benztropine Mesylate | 80 |
| Olanzapine | 49 |
| Quetiapine Fumarate | 48 |
| Propranolol Hcl | 43 |
| Aripiprazole | 40 |
| Quetiapine Fumaratebrand: Quetiapine Fumarate Er | 37 |
| Gabapentin | 31 |
| Aripiprazolebrand: Abilify Maintena |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-29
- Last updated
- 2018-08-05
Frequently asked questions
- What is Nishina Thomas's NPI number?
- Nishina Thomas's National Provider Identifier (NPI) is 1174933204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nishina Thomas's specialty?
- Nishina Thomas is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Nishina Thomas located?
- Nishina Thomas's practice location on file with NPPES is 401 Quarry Rd, Palo Alto, CA 94304.
- What is Nishina Thomas's phone number?
- The practice phone number listed in the NPPES registry for Nishina Thomas is (650) 725-4070.
- Does Nishina Thomas accept Medicare?
- Nishina Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nishina Thomas's NPI active?
- Yes — Nishina Thomas's NPI (1174933204) is active in the NPPES registry as of the last update on 2018-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.