Ellen Larson, M.D.
NPI 1629029442 · Family Medicine Physician · Hamilton, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Larson, M.D. is a Family Medicine Physician provider in Hamilton, NY (NPI 1629029442).
Provider details
- NPI number
- 1629029442
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 217285 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$131 across 2 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
- 2006-05-15
- Last updated
- 2023-11-27
- Certified
- 2023-11-27
Frequently asked questions
- What is Ellen Larson's NPI number?
- Ellen Larson's National Provider Identifier (NPI) is 1629029442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Larson's specialty?
- Ellen Larson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Larson located?
- Ellen Larson's practice location on file with NPPES is 140 Broad St, Hamilton, NY 13346-9575.
- What is Ellen Larson's phone number?
- The practice phone number listed in the NPPES registry for Ellen Larson is (315) 228-7750.
- Does Ellen Larson accept Medicare?
- Ellen Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Larson's NPI active?
- Yes — Ellen Larson's NPI (1629029442) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.