Mark Nguyen, MD
NPI 1306812896 · Physical Medicine & Rehabilitation Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Nguyen, MD is a Physical Medicine & Rehabilitation Physician provider in San Jose, CA (NPI 1306812896).
Provider details
- NPI number
- 1306812896
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 204530 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 222 | 73 |
| Prednisone | 30 | 28 |
| Nabumetone | 28 | 12 |
| Methylprednisolone | 20 | 19 |
| Naproxen | 20 | 16 |
| Baclofen | 16 | — |
| Ibuprofen | 15 | — |
| Meloxicam | 15 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-24
- Last updated
- 2022-02-11
Frequently asked questions
- What is Mark Nguyen's NPI number?
- Mark Nguyen's National Provider Identifier (NPI) is 1306812896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Nguyen's specialty?
- Mark Nguyen is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Nguyen located?
- Mark Nguyen's practice location on file with NPPES is 751 S Bascom Ave, San Jose, CA 95128-2604.
- What is Mark Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Mark Nguyen is (408) 885-2100.
- Does Mark Nguyen accept Medicare?
- Mark Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Nguyen's NPI active?
- Yes — Mark Nguyen's NPI (1306812896) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.