DR. JOHN FRANK GRAUCH V M.D.
NPI 1982845145
Anesthesiology in Simi Valley, CA
About Dr. John Frank Grauch V M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN FRANK GRAUCH V M.D. (NPI 1982845145) is an individual anesthesiology provider in Simi Valley, California, licensed in California (A109514) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Denver (2008).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Frank Grauch V M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show John Grauch reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 37 clinicians in this Medicare group
Westlake Village, CA 91361
- Reassigned Medicare billing, California enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIMI VALLEY, CA 93065
SIMI VALLEY, CA 93065
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Grauch's NPI number?
The NPI number for John Grauch is 1982845145. It was assigned to this individual provider in the NPPES registry on March 18, 2009.
Where is John Grauch located?
John Grauch practices at 2975 Sycamore Dr, Simi Valley, CA 93065. The listed phone number is (626) 696-1134.
What is John Grauch's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Grauch enrolled in Medicare?
Yes. John Grauch is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Grauch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Grauch reassigns Medicare benefits to 2 organizations: Simi Valley Anesthesia Medical Group (Simi Valley, CA) and John F Grauch MD A Professional Corporation (Westlake Village, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Grauch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Grauch was last updated on July 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John Frank Grauch V, M.D. · NPI 1982845145
Anesthesiology physician in Simi Valley, California. Individual provider, active in the CMS NPPES registry since March 18, 2009.
## Identity
- **NPI:** 1982845145 (Entity type: Individual)
- **Enumerated:** March 18, 2009
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A109514 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2975 SYCAMORE DR, Simi Valley, CA 93065-1201
- **Phone:** (626) 696-1134
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Simi Valley Anesthesia Medical Group (NPI 1912936709, Simi Valley, CA); John F Grauch MD A Professional Corporation (NPI 1326768821, Westlake Village, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Denver, class of 2008
## Record status
- **NPPES last updated:** July 17, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1982845145) · Data from the CMS NPPES public registry.