What is Douglas W Ankrom, MD, Inc's NPI number?

Douglas W Ankrom, MD, Inc's National Provider Identifier (NPI) is 1477761914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Douglas W Ankrom, MD, Inc?

Douglas W Ankrom, MD, Inc is classified in the NPPES registry as Specialist (Other Service Providers).

Where is Douglas W Ankrom, MD, Inc located?

Douglas W Ankrom, MD, Inc's practice location on file with NPPES is 680 Guzzi Ln Ste 205, Sonora, CA 95370-5288.

What is Douglas W Ankrom, MD, Inc's phone number?

The practice phone number listed in the NPPES registry for Douglas W Ankrom, MD, Inc is (209) 533-3321.

Does Douglas W Ankrom, MD, Inc accept Medicare?

Douglas W Ankrom, MD, 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 Douglas W Ankrom, MD, Inc?

The authorized official listed on Douglas W Ankrom, MD, Inc's NPPES record is Douglas Ankrom, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Douglas W Ankrom, MD, Inc's NPI active?

Yes — Douglas W Ankrom, MD, Inc's NPI (1477761914) is active in the NPPES registry as of the last update on 2011-01-06.

OrganizationActiveAccepts Medicare

Douglas W Ankrom, MD, Inc

NPI 1477761914 · Specialist · Sonora, CA

Douglas W Ankrom, MD, Inc is a Specialist organization in Sonora, CA (NPI 1477761914).

Provider details

NPI number: 1477761914
Entity type: Organization
Primary specialty: SpecialistOther Service Providers
Organization subpart: No
Authorized official: Douglas Ankrom, President(209) 533-3321
License: A52517 (CA)

Practice location

680 Guzzi Ln Ste 205

Sonora, CA 95370-5288

Phone: (209) 533-3321

Fax: (209) 533-3118

Approximate (ZIP-level) locationGet directions

More CA providers

Mailing address

680 Guzzi Ln Ste 205

Sonora, CA 95370-5288

Specialties & taxonomies

SpecialistPrimary174400000XLicense A52517 (CA)
Other Service Providers

Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(90/100 index)

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.

Enumerated: 2007-05-18
Last updated: 2011-01-06

Frequently asked questions

What is Douglas W Ankrom, MD, Inc's NPI number?: Douglas W Ankrom, MD, Inc's National Provider Identifier (NPI) is 1477761914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Douglas W Ankrom, MD, Inc?: Douglas W Ankrom, MD, Inc is classified in the NPPES registry as Specialist (Other Service Providers).
Where is Douglas W Ankrom, MD, Inc located?: Douglas W Ankrom, MD, Inc's practice location on file with NPPES is 680 Guzzi Ln Ste 205, Sonora, CA 95370-5288.
What is Douglas W Ankrom, MD, Inc's phone number?: The practice phone number listed in the NPPES registry for Douglas W Ankrom, MD, Inc is (209) 533-3321.
Does Douglas W Ankrom, MD, Inc accept Medicare?: Douglas W Ankrom, MD, 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 Douglas W Ankrom, MD, Inc?: The authorized official listed on Douglas W Ankrom, MD, Inc's NPPES record is Douglas Ankrom, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Douglas W Ankrom, MD, Inc's NPI active?: Yes — Douglas W Ankrom, MD, Inc's NPI (1477761914) is active in the NPPES registry as of the last update on 2011-01-06.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions