Terry Fan, M.D.
NPI 1700825312 · Internal Medicine Physician · Huntington Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Terry Fan, M.D. is a Internal Medicine Physician provider in Huntington Beach, CA (NPI 1700825312).
Provider details
- NPI number
- 1700825312
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A90300 (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
1,614 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 670 | $138 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 171 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 123 | $98 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 116 | $178 |
| Removal of Impacted Ear Wax69210 | 94 | $51 |
| Administration of Pneumococcal VaccineG0009 | 89 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 124 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 422 | 133 |
| Amlodipine Besylate | 345 | 96 |
| Rosuvastatin Calcium | 340 | 106 |
| Levothyroxine Sodium | 313 | 83 |
| Losartan Potassium | 284 | 83 |
| Tamsulosin Hcl | 169 | 63 |
| Valsartan |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2024-01-23
- Certified
- 2024-01-23
Frequently asked questions
- What is Terry Fan's NPI number?
- Terry Fan's National Provider Identifier (NPI) is 1700825312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Terry Fan's specialty?
- Terry Fan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Terry Fan located?
- Terry Fan's practice location on file with NPPES is 5341 Warner Ave, Huntington Beach, CA 92649-4078.
- What is Terry Fan's phone number?
- The practice phone number listed in the NPPES registry for Terry Fan is (714) 477-8490.
- Does Terry Fan accept Medicare?
- Terry Fan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Terry Fan's NPI active?
- Yes — Terry Fan's NPI (1700825312) is active in the NPPES registry as of the last update on 2024-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.