Subha Amatya, M.D.
NPI 1861837221 · Internal Medicine Physician · Huntington Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Subha Amatya, M.D. is a Internal Medicine Physician provider in Huntington Beach, CA (NPI 1861837221).
Provider details
- NPI number
- 1861837221
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 150777 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
349 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 114 | $6 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 84 | $185 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $135 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 55 | $99 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 17 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 101 | 45 |
| Losartan Potassium | 95 | 37 |
| Levothyroxine Sodium | 72 | 31 |
| Amlodipine Besylate | 67 | 33 |
| Semaglutidebrand: Ozempic | 42 | — |
| Lisinopril | 39 | 21 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-29
- Last updated
- 2022-12-21
- Certified
- 2022-12-21
Frequently asked questions
- What is Subha Amatya's NPI number?
- Subha Amatya's National Provider Identifier (NPI) is 1861837221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Subha Amatya's specialty?
- Subha Amatya is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Subha Amatya located?
- Subha Amatya's practice location on file with NPPES is 9122 Adams Avenue, Huntington Beach, CA 92646.
- What is Subha Amatya's phone number?
- The practice phone number listed in the NPPES registry for Subha Amatya is (714) 378-0900.
- Does Subha Amatya accept Medicare?
- Subha Amatya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Subha Amatya's NPI active?
- Yes — Subha Amatya's NPI (1861837221) is active in the NPPES registry as of the last update on 2022-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.