Ellen Weiss, MD
NPI 1821184979 · Family Medicine Physician · Arcata, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Weiss, MD is a Family Medicine Physician provider in Arcata, CA (NPI 1821184979).
Provider details
- NPI number
- 1821184979
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G74528 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 31 | 13 |
| Gabapentin | 18 | — |
| Famotidine | 17 | — |
| Baclofen | 16 | — |
| Levothyroxine Sodium | 16 | — |
| Lisinopril | 15 | — |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 15 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2012-01-11
Frequently asked questions
- What is Ellen Weiss's NPI number?
- Ellen Weiss's National Provider Identifier (NPI) is 1821184979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Weiss's specialty?
- Ellen Weiss is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Weiss located?
- Ellen Weiss's practice location on file with NPPES is 770 10th Street, Arcata, CA 95521.
- What is Ellen Weiss's phone number?
- The practice phone number listed in the NPPES registry for Ellen Weiss is (707) 826-8610.
- Does Ellen Weiss accept Medicare?
- Ellen Weiss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Weiss's NPI active?
- Yes — Ellen Weiss's NPI (1821184979) is active in the NPPES registry as of the last update on 2012-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.