Alina Hongsakaphadana, M.D.
NPI 1740304237 · Family Medicine Physician · Fairfield, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alina Hongsakaphadana, M.D. is a Family Medicine Physician provider in Fairfield, CA (NPI 1740304237).
Provider details
- NPI number
- 1740304237
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A112371 (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
19 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
469 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 | 206 | $146 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 90 | $104 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 76 | $204 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 57 | $149 |
| Administration of Influenza Virus VaccineG0008 | 21 | $36 |
| Administration of Pneumococcal VaccineG0009 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 242 | 70 |
| Amlodipine Besylate | 195 | 55 |
| Metformin Hcl | 120 | 32 |
| Lisinopril | 94 | 27 |
| Levothyroxine Sodium | 84 | 20 |
| Losartan Potassium | 82 | 25 |
| Simvastatin | 67 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-19
- Last updated
- 2019-01-29
Frequently asked questions
- What is Alina Hongsakaphadana's NPI number?
- Alina Hongsakaphadana's National Provider Identifier (NPI) is 1740304237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alina Hongsakaphadana's specialty?
- Alina Hongsakaphadana is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alina Hongsakaphadana located?
- Alina Hongsakaphadana's practice location on file with NPPES is 5140 Business Center Dr, Fairfield, CA 94534-1793.
- What is Alina Hongsakaphadana's phone number?
- The practice phone number listed in the NPPES registry for Alina Hongsakaphadana is (707) 646-3500.
- Does Alina Hongsakaphadana accept Medicare?
- Alina Hongsakaphadana is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alina Hongsakaphadana's NPI active?
- Yes — Alina Hongsakaphadana's NPI (1740304237) is active in the NPPES registry as of the last update on 2019-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.