Mary Tran, PA-C
NPI 1891319646 · Physician Assistant · San Ramon, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Tran, PA-C is a Physician Assistant provider in San Ramon, CA (NPI 1891319646).
Provider details
- NPI number
- 1891319646
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 61298 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alendronate Sodium | 55 | 42 |
| Prednisone | 44 | 31 |
| Hydroxychloroquine Sulfate | 43 | 27 |
| Methotrexate Sodiumbrand: Methotrexate | 40 | 20 |
| Leflunomide | 34 | 22 |
| Gabapentin | 31 | 16 |
| Allopurinol | 30 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,380 across 74 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
- 2020-06-07
- Last updated
- 2022-10-06
- Certified
- 2022-10-06
Frequently asked questions
- What is Mary Tran's NPI number?
- Mary Tran's National Provider Identifier (NPI) is 1891319646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Tran's specialty?
- Mary Tran is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Tran located?
- Mary Tran's practice location on file with NPPES is 100 Park Pl Ste 200, San Ramon, CA 94583-4416.
- What is Mary Tran's phone number?
- The practice phone number listed in the NPPES registry for Mary Tran is (510) 303-5595.
- Does Mary Tran accept Medicare?
- Mary Tran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Tran's NPI active?
- Yes — Mary Tran's NPI (1891319646) is active in the NPPES registry as of the last update on 2022-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.