Tung Nguyen, DO
NPI 1013982024 · Family Medicine Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tung Nguyen, DO is a Family Medicine Physician provider in San Jose, CA (NPI 1013982024).
Provider details
- NPI number
- 1013982024
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A8238 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,371 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 2,637 | $106 |
| Administration of Influenza Virus VaccineG0008 | 592 | $39 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 | 331 | $51 |
| Administration of Pneumococcal VaccineG0009 | 245 | $39 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 199 | $148 |
| Transitional Care Management Services for Problem of High Complexity |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 263 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 3,140 | 912 |
| Amlodipine Besylate | 2,304 | 676 |
| Losartan Potassium | 2,303 | 670 |
| Metformin Hcl | 1,685 | 474 |
| Omeprazole | 1,647 | 476 |
| Gabapentin | 1,364 | 449 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,039 across 34 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
- 2006-02-22
- Last updated
- 2013-08-21
Frequently asked questions
- What is Tung Nguyen's NPI number?
- Tung Nguyen's National Provider Identifier (NPI) is 1013982024, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tung Nguyen's specialty?
- Tung Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tung Nguyen located?
- Tung Nguyen's practice location on file with NPPES is 621 Tully Rd, San Jose, CA 95111-1013.
- What is Tung Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tung Nguyen is (408) 279-2988.
- Does Tung Nguyen accept Medicare?
- Tung Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tung Nguyen's NPI active?
- Yes — Tung Nguyen's NPI (1013982024) is active in the NPPES registry as of the last update on 2013-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.