John F Grauch MD a Professional Corporation
NPI 1326768821 · Anesthesiology Physician · Westlake Village, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John F Grauch MD a Professional Corporation is a Anesthesiology Physician organization in Westlake Village, CA (NPI 1326768821).
Provider details
- NPI number
- 1326768821
- Entity type
- Organization
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Grauch, President(805) 206-6050
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
3 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
- 2022-09-02
- Last updated
- 2022-09-02
- Certified
- 2022-09-02
Frequently asked questions
- What is John F Grauch MD a Professional Corporation's NPI number?
- John F Grauch MD a Professional Corporation's National Provider Identifier (NPI) is 1326768821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John F Grauch MD a Professional Corporation?
- John F Grauch MD a Professional Corporation is classified in the NPPES registry as Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John F Grauch MD a Professional Corporation located?
- John F Grauch MD a Professional Corporation's practice location on file with NPPES is 696 Hampshire Rd Ste 100, Westlake Village, CA 91361-4456.
- What is John F Grauch MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for John F Grauch MD a Professional Corporation is (805) 413-7920.
- Does John F Grauch MD a Professional Corporation accept Medicare?
- John F Grauch MD a Professional Corporation 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 John F Grauch MD a Professional Corporation?
- The authorized official listed on John F Grauch MD a Professional Corporation's NPPES record is John Grauch, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John F Grauch MD a Professional Corporation's NPI active?
- Yes — John F Grauch MD a Professional Corporation's NPI (1326768821) is active in the NPPES registry as of the last update on 2022-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.