Dzung Trinh, MD
NPI 1679651582 · Geriatric Medicine (Internal Medicine) Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dzung Trinh, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Fresno, CA (NPI 1679651582).
Provider details
- NPI number
- 1679651582
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G65282 (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
19 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
4,414 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 811 | $74 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 699 | $92 |
| Advance Care Planning, First 30 Minutes99497 | 514 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 334 | $133 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 283 | $180 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 227 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,091 | 234 |
| Levothyroxine Sodium | 852 | 172 |
| Amlodipine Besylate | 617 | 150 |
| Losartan Potassium | 597 | 147 |
| Quetiapine Fumarate | 595 | 81 |
| Metoprolol Succinate | 501 | 103 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$954 across 42 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
- 2006-11-01
- Last updated
- 2022-04-28
- Certified
- 2022-04-28
Frequently asked questions
- What is Dzung Trinh's NPI number?
- Dzung Trinh's National Provider Identifier (NPI) is 1679651582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dzung Trinh's specialty?
- Dzung Trinh is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Dzung Trinh located?
- Dzung Trinh's practice location on file with NPPES is 347 E Barstow Ave, Fresno, CA 93710-6039.
- What is Dzung Trinh's phone number?
- The practice phone number listed in the NPPES registry for Dzung Trinh is (559) 550-4344.
- Does Dzung Trinh accept Medicare?
- Dzung Trinh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dzung Trinh's NPI active?
- Yes — Dzung Trinh's NPI (1679651582) is active in the NPPES registry as of the last update on 2022-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.