Thanh-Tam Nguyen, D.O.
NPI 1902145592 · Family Medicine Physician · Morgan Hill, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thanh-Tam Nguyen, D.O. is a Family Medicine Physician provider in Morgan Hill, CA (NPI 1902145592).
Provider details
- NPI number
- 1902145592
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A12623 (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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
623 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 241 | $155 |
| Comprehensive Assessment of and Care Planning for Patients Requiring Chronic Care Management Services (list Separately in Addition to Primary Monthly Care Management Service)G0506 | 90 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $111 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 72 | $158 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 70 | $24 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 256 | 98 |
| Amlodipine Besylate | 134 | 62 |
| Levothyroxine Sodium | 123 | 47 |
| Losartan Potassium | 119 | 54 |
| Lisinopril | 83 | 37 |
| Rosuvastatin Calcium | 77 | 37 |
| Empagliflozin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$771 across 54 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
Additional practice locations (1)
- 625 Lincoln AveSan Jose, CA 95126-3785Phone: (408) 871-3400
Registry dates
- Enumerated
- 2013-02-03
- Last updated
- 2025-02-28
- Certified
- 2025-02-28
Frequently asked questions
- What is Thanh-Tam Nguyen's NPI number?
- Thanh-Tam Nguyen's National Provider Identifier (NPI) is 1902145592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thanh-Tam Nguyen's specialty?
- Thanh-Tam Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thanh-Tam Nguyen located?
- Thanh-Tam Nguyen's practice location on file with NPPES is 16360 Monterey Rd Ste 270, Morgan Hill, CA 95037-5496.
- What is Thanh-Tam Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Thanh-Tam Nguyen is (408) 763-5060.
- Does Thanh-Tam Nguyen accept Medicare?
- Thanh-Tam Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thanh-Tam Nguyen's NPI active?
- Yes — Thanh-Tam Nguyen's NPI (1902145592) is active in the NPPES registry as of the last update on 2025-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.