Phuong-Chi Phan, M.D.
NPI 1063478402 · Internal Medicine Physician · Westminster, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phuong-Chi Phan, M.D. is a Internal Medicine Physician provider in Westminster, CA (NPI 1063478402).
Provider details
- NPI number
- 1063478402
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G76835 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
419 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 120 | $54 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 119 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 | $139 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 39 | $67 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $99 |
| Telephone Medical Discussion With Physician, 11-20 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 353 | 91 |
| Atorvastatin Calcium | 307 | 93 |
| Amlodipine Besylate | 278 | 73 |
| Metformin Hcl | 254 | 69 |
| Alendronate Sodium | 136 | 41 |
| Glipizide | 77 | 18 |
| Levothyroxine Sodium | 73 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2016-01-29
Frequently asked questions
- What is Phuong-Chi Phan's NPI number?
- Phuong-Chi Phan's National Provider Identifier (NPI) is 1063478402, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phuong-Chi Phan's specialty?
- Phuong-Chi Phan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Phuong-Chi Phan located?
- Phuong-Chi Phan's practice location on file with NPPES is 14571 Magnolia St, Westminster, CA 92683-5574.
- What is Phuong-Chi Phan's phone number?
- The practice phone number listed in the NPPES registry for Phuong-Chi Phan is (714) 890-9241.
- Does Phuong-Chi Phan accept Medicare?
- Phuong-Chi Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phuong-Chi Phan's NPI active?
- Yes — Phuong-Chi Phan's NPI (1063478402) is active in the NPPES registry as of the last update on 2016-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.