Ann Ferris, M.D.
NPI 1861540437 · Internal Medicine Physician · Los Alamos, NM
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Ferris, M.D. is a Internal Medicine Physician provider in Los Alamos, NM (NPI 1861540437).
Provider details
- NPI number
- 1861540437
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2002-0267 (NM)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ann Ferris's NPI number?
- Ann Ferris's National Provider Identifier (NPI) is 1861540437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Ferris's specialty?
- Ann Ferris is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Ferris located?
- Ann Ferris's practice location on file with NPPES is 3917 West Rd Ste a, Los Alamos, NM 87544-2275.
- What is Ann Ferris's phone number?
- The practice phone number listed in the NPPES registry for Ann Ferris is (505) 661-8900.
- Does Ann Ferris accept Medicare?
- Ann Ferris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Ferris's NPI active?
- Yes — Ann Ferris's NPI (1861540437) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.