Ajit Shah, M.D.
NPI 1528159233 · Internal Medicine Physician · La Mirada, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ajit Shah, M.D. is a Internal Medicine Physician provider in La Mirada, CA (NPI 1528159233).
Provider details
- NPI number
- 1528159233
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A73798 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,406 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 529 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 511 | $85 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 89 | $117 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 72 | $132 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 58 | $15 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 162 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 503 | 119 |
| Levothyroxine Sodium | 468 | 92 |
| Amlodipine Besylate | 445 | 109 |
| Losartan Potassium | 393 | 98 |
| Metformin Hcl | 318 | 80 |
| Simvastatin | 279 | 53 |
| Omeprazole | 248 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$336 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2012-07-18
Frequently asked questions
- What is Ajit Shah's NPI number?
- Ajit Shah's National Provider Identifier (NPI) is 1528159233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ajit Shah's specialty?
- Ajit Shah is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ajit Shah located?
- Ajit Shah's practice location on file with NPPES is 15651 Imperial Hwy Ste 104, La Mirada, CA 90638-1600.
- What is Ajit Shah's phone number?
- The practice phone number listed in the NPPES registry for Ajit Shah is (562) 947-1619.
- Does Ajit Shah accept Medicare?
- Ajit Shah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ajit Shah's NPI active?
- Yes — Ajit Shah's NPI (1528159233) is active in the NPPES registry as of the last update on 2012-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.