Eric Simkin, MD
NPI 1144389750 · Internal Medicine Physician · Harbor City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Simkin, MD is a Internal Medicine Physician provider in Harbor City, CA (NPI 1144389750).
Provider details
- NPI number
- 1144389750
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A86751 (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 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 584 | 203 |
| Amlodipine Besylate | 310 | 115 |
| Losartan Potassium | 233 | 84 |
| Lisinopril | 186 | 70 |
| Omeprazole | 159 | 68 |
| Levothyroxine Sodium | 158 | 55 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2021-12-08
Frequently asked questions
- What is Eric Simkin's NPI number?
- Eric Simkin's National Provider Identifier (NPI) is 1144389750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Simkin's specialty?
- Eric Simkin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Simkin located?
- Eric Simkin's practice location on file with NPPES is 25825 Vermont Ave, Harbor City, CA 90710-3518.
- What is Eric Simkin's phone number?
- The practice phone number listed in the NPPES registry for Eric Simkin is (310) 325-5111.
- Does Eric Simkin accept Medicare?
- Eric Simkin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Simkin's NPI active?
- Yes — Eric Simkin's NPI (1144389750) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.