DR. JOHN E MONKS MD
NPI 1144233479
Anesthesiology in Oakland, CA
About Dr. John E Monks Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN E MONKS MD (NPI 1144233479) is an individual anesthesiology provider in Oakland, California, licensed in California (A60451) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John E Monks Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show John Monks reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
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 Monks's NPI number?
The NPI number for John Monks is 1144233479. It was assigned to this individual provider in the NPPES registry on August 15, 2006.
Where is John Monks located?
John Monks practices at 350 Hawthorne Ave, Oakland, CA 94609. The listed phone number is (510) 655-4000.
What is John Monks's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Monks enrolled in Medicare?
Yes. John Monks is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Monks's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Monks reassigns Medicare benefits to 4 organizations: East Bay Anesthesiology Medical Group, Inc (Oakland, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Anesthesia Medical Group (San Francisco, 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 Monks'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 Monks was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 E Monks, MD · NPI 1144233479
Anesthesiology physician in Oakland, California. Individual provider, active in the CMS NPPES registry since August 15, 2006.
## Identity
- **NPI:** 1144233479 (Entity type: Individual)
- **Enumerated:** August 15, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A60451 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 350 HAWTHORNE AVE, Oakland, CA 94609
- **Phone:** (510) 655-4000 · **Fax:** (510) 869-8906
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): East Bay Anesthesiology Medical Group, Inc (NPI 1649226242, Oakland, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified 00A604510; Medicaid 00A604510 (CA); Medicare UPIN G74801
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Source: [NPI Profile](https://npiprofile.com/npi/1144233479) · Data from the CMS NPPES public registry.