Emma Ernst, MD, MPH
NPI 1821728718 · Family Medicine Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Emma Ernst, MD, MPH is a Family Medicine Physician provider in Santa Monica, CA (NPI 1821728718).
Provider details
- NPI number
- 1821728718
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- A205280 (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
4 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 43 | 18 |
| Levothyroxine Sodium | 21 | 11 |
| Lisinopril | 19 | — |
| Alendronate Sodium | 14 | — |
| Amlodipine Besylate | 14 | — |
| Gabapentin | 14 | — |
| Omeprazole | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-14
- Last updated
- 2025-10-24
- Certified
- 2025-10-24
Frequently asked questions
- What is Emma Ernst's NPI number?
- Emma Ernst's National Provider Identifier (NPI) is 1821728718, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emma Ernst's specialty?
- Emma Ernst is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Emma Ernst located?
- Emma Ernst's practice location on file with NPPES is 1920 Colorado Ave, Santa Monica, CA 90404-3414.
- What is Emma Ernst's phone number?
- The practice phone number listed in the NPPES registry for Emma Ernst is (310) 319-4700.
- Does Emma Ernst accept Medicare?
- Emma Ernst is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Emma Ernst's NPI active?
- Yes — Emma Ernst's NPI (1821728718) is active in the NPPES registry as of the last update on 2025-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.