Andrew Phoon, MD
NPI 1124039524 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Phoon, MD is a Internal Medicine Physician provider in San Diego, CA (NPI 1124039524).
Provider details
- NPI number
- 1124039524
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A76330 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 149 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 887 | 105 |
| Amlodipine Besylate | 619 | 68 |
| Lisinopril | 467 | 50 |
| Levothyroxine Sodium | 453 | 55 |
| Losartan Potassium | 408 | 43 |
| Gabapentin | 380 | 50 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Andrew Phoon's NPI number?
- Andrew Phoon's National Provider Identifier (NPI) is 1124039524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Phoon's specialty?
- Andrew Phoon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Phoon located?
- Andrew Phoon's practice location on file with NPPES is 9619 Chesapeake Dr, San Diego, CA 92123.
- What is Andrew Phoon's phone number?
- The practice phone number listed in the NPPES registry for Andrew Phoon is (858) 279-1212.
- Does Andrew Phoon accept Medicare?
- Andrew Phoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Phoon's NPI active?
- Yes — Andrew Phoon's NPI (1124039524) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.