Victor Dinh, M.D.
NPI 1558391052 · Family Medicine Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Victor Dinh, M.D. is a Family Medicine Physician provider in Garden Grove, CA (NPI 1558391052).
Provider details
- NPI number
- 1558391052
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C50555 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
914 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 | 459 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 273 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 157 | $139 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 25 | $68 |
Typical Medicare-allowed amounts for these services range $68–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 167 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 969 | 254 |
| Calcitriol | 895 | 247 |
| Omeprazole | 705 | 175 |
| Losartan Potassium | 677 | 167 |
| Azithromycin | 669 | 283 |
| Amlodipine Besylate | 541 | 149 |
| Levocetirizine Dihydrochloride | 495 | 141 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,755 across 46 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
- 2006-07-03
- Last updated
- 2014-07-16
Frequently asked questions
- What is Victor Dinh's NPI number?
- Victor Dinh's National Provider Identifier (NPI) is 1558391052, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Victor Dinh's specialty?
- Victor Dinh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Victor Dinh located?
- Victor Dinh's practice location on file with NPPES is 9746 Westminster Ave, Garden Grove, CA 92844-2984.
- What is Victor Dinh's phone number?
- The practice phone number listed in the NPPES registry for Victor Dinh is (714) 530-0776.
- Does Victor Dinh accept Medicare?
- Victor Dinh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Victor Dinh's NPI active?
- Yes — Victor Dinh's NPI (1558391052) is active in the NPPES registry as of the last update on 2014-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.