JOHN DONOVAN MD
NPI 1871509307
Anesthesiology in Oakland, CA
About John Donovan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN DONOVAN MD (NPI 1871509307) is an individual anesthesiology provider in Oakland, California, licensed in California (G83782) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1988).
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 and accepts Medicare assignment
John Donovan Md 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
4Medicare enrollment records show John Donovan 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
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 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.
Areas of Expertise CMS Part B claims 6
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.
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 Donovan's NPI number?
The NPI number for John Donovan is 1871509307. It was assigned to this individual provider in the NPPES registry on August 1, 2006.
Where is John Donovan located?
John Donovan practices at 350 Hawthorne Ave, Oakland, CA 94609. The listed phone number is (510) 655-4000.
What is John Donovan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Donovan enrolled in Medicare?
Yes. John Donovan 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 Donovan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Donovan reassigns Medicare benefits to 4 organizations: East Bay Anesthesiology Medical Group, Inc (Oakland, CA), Ambulatory Consultants Medical Group Inc (Oakland, CA), Cep America - Anesthesia, PC (Walnut Creek, CA) and John Muir Trauma Physicians Billing Service (Walnut Creek, 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 Donovan'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 Donovan was last updated on August 21, 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.
# John Donovan, MD · NPI 1871509307
Anesthesiology physician in Oakland, California. Individual provider, active in the CMS NPPES registry since August 1, 2006.
## Identity
- **NPI:** 1871509307 (Entity type: Individual)
- **Enumerated:** August 1, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G83782 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 350 HAWTHORNE AVE, Oakland, CA 94609-3100
- **Phone:** (510) 655-4000 · **Fax:** (515) 869-8906
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): East Bay Anesthesiology Medical Group, Inc (NPI 1649226242, Oakland, CA); Ambulatory Consultants Medical Group Inc (NPI 1437178563, Oakland, CA); Cep America - Anesthesia, PC (NPI 1790401438, Walnut Creek, CA); John Muir Trauma Physicians Billing Service (NPI 1093864837, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** August 21, 2012
- **Other identifiers:** Medicare PIN 00G837820 (CA); Medicaid 00G837820 (CA); Medicare UPIN G89823
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Source: [NPI Profile](https://npiprofile.com/npi/1871509307) · Data from the CMS NPPES public registry.