Dung Phan, MD
NPI 1912013780 · Family Medicine Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dung Phan, MD is a Family Medicine Physician provider in San Jose, CA (NPI 1912013780).
Provider details
- NPI number
- 1912013780
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A42236 (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
880 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 | 258 | $107 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 211 | $19 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 165 | $148 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 140 | $148 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 59 | $83 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 222 | 101 |
| Alendronate Sodium | 162 | 73 |
| Amlodipine Besylate | 148 | 68 |
| Losartan Potassium | 142 | 59 |
| Icosapent Ethylbrand: Vascepa | 100 | 31 |
| Simvastatin | 97 | 35 |
| Lisinopril | 91 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$98 across 4 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
- 2006-08-22
- Last updated
- 2010-07-13
Frequently asked questions
- What is Dung Phan's NPI number?
- Dung Phan's National Provider Identifier (NPI) is 1912013780, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dung Phan's specialty?
- Dung Phan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dung Phan located?
- Dung Phan's practice location on file with NPPES is 1693 Flanigan Dr, San Jose, CA 95121.
- What is Dung Phan's phone number?
- The practice phone number listed in the NPPES registry for Dung Phan is (408) 274-3881.
- Does Dung Phan accept Medicare?
- Dung Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dung Phan's NPI active?
- Yes — Dung Phan's NPI (1912013780) is active in the NPPES registry as of the last update on 2010-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.