Margaret Park, MD
NPI 1427344951 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Park, MD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1427344951).
Provider details
- NPI number
- 1427344951
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 209 | 79 |
| Amlodipine Besylate | 132 | 47 |
| Losartan Potassium | 118 | 38 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 103 | 27 |
| Gabapentin | 85 | 29 |
| Lorazepam | 70 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-23
- Last updated
- 2021-12-15
Frequently asked questions
- What is Margaret Park's NPI number?
- Margaret Park's National Provider Identifier (NPI) is 1427344951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Park's specialty?
- Margaret Park is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Park located?
- Margaret Park's practice location on file with NPPES is 757 Westwood Plz, Los Angeles, CA 90095-8358.
- What is Margaret Park's phone number?
- The practice phone number listed in the NPPES registry for Margaret Park is (415) 596-4920.
- Does Margaret Park accept Medicare?
- Margaret Park is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Park's NPI active?
- Yes — Margaret Park's NPI (1427344951) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.