Amethyst Medical Group, Inc.
NPI 1194836338 · Family Medicine Physician · Nevada City, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amethyst Medical Group, Inc. is a Family Medicine Physician organization in Nevada City, CA (NPI 1194836338).
Provider details
- NPI number
- 1194836338
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Winifred Loesch, President(530) 798-5003
- License
- C42292 (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.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Amethyst Medical Group
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2010-08-19
Frequently asked questions
- What is Amethyst Medical Group, Inc.'s NPI number?
- Amethyst Medical Group, Inc.'s National Provider Identifier (NPI) is 1194836338, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Amethyst Medical Group, Inc.?
- Amethyst Medical Group, Inc. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Amethyst Medical Group, Inc. located?
- Amethyst Medical Group, Inc.'s practice location on file with NPPES is 590 Searls Ave, Nevada City, CA 95959-3043.
- What is Amethyst Medical Group, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Amethyst Medical Group, Inc. is (530) 798-5003.
- Does Amethyst Medical Group, Inc. accept Medicare?
- Amethyst Medical Group, Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Amethyst Medical Group, Inc.?
- The authorized official listed on Amethyst Medical Group, Inc.'s NPPES record is Winifred Loesch, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Amethyst Medical Group, Inc.'s NPI active?
- Yes — Amethyst Medical Group, Inc.'s NPI (1194836338) is active in the NPPES registry as of the last update on 2010-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.