Ann Weinacker, MD
NPI 1942310016 · Critical Care Medicine (Internal Medicine) Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Weinacker, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Stanford, CA (NPI 1942310016).
Provider details
- NPI number
- 1942310016
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G68182 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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
Additional practice locations (1)
- 300 Pasteur Dr#h3142Stanford, CA 94305-2200Phone: (650) 723-6381Fax: (650) 725-5489
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2024-04-12
- Certified
- 2024-04-12
Frequently asked questions
- What is Ann Weinacker's NPI number?
- Ann Weinacker's National Provider Identifier (NPI) is 1942310016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Weinacker's specialty?
- Ann Weinacker is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Weinacker located?
- Ann Weinacker's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Ann Weinacker's phone number?
- The practice phone number listed in the NPPES registry for Ann Weinacker is (650) 723-4000.
- Does Ann Weinacker accept Medicare?
- Ann Weinacker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Weinacker's NPI active?
- Yes — Ann Weinacker's NPI (1942310016) is active in the NPPES registry as of the last update on 2024-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.