DR. MICHAEL ALAN ZIMMERMAN MD
NPI 1366513822
Family Medicine in Oakland, CA
About Dr. Michael Alan Zimmerman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL ALAN ZIMMERMAN MD (NPI 1366513822) is an individual family medicine provider in Oakland, California, licensed in California (A70706) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Michael Alan Zimmerman 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 Reassignment
Medicare enrollment records show Michael Zimmerman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 3 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 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94609 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michael Zimmerman's NPI number?
The NPI number for Michael Zimmerman is 1366513822. It was assigned to this individual provider in the NPPES registry on November 13, 2006.
Where is Michael Zimmerman located?
Michael Zimmerman practices at 405 49th St, Oakland, CA 94609. The listed phone number is (510) 230-2372.
What is Michael Zimmerman's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Michael Zimmerman enrolled in Medicare?
Yes. Michael Zimmerman 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 organization bills Medicare for Michael Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Zimmerman reassigns Medicare benefits to Temescal Creek Medicine Professional Corporation (Oakland, CA). The 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 Michael Zimmerman'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 Michael Zimmerman was last updated on March 25, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Michael Alan Zimmerman, MD · NPI 1366513822
Family Medicine physician in Oakland, California. Individual provider, active in the CMS NPPES registry since November 13, 2006.
## Identity
- **NPI:** 1366513822 (Entity type: Individual)
- **Enumerated:** November 13, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A70706 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 405 49TH ST, Oakland, CA 94609-2101
- **Phone:** (510) 230-2372
## 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:** Temescal Creek Medicine Professional Corporation (NPI 1598996837, Oakland, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 1998
## Record status
- **NPPES last updated:** March 25, 2011
- **Other identifiers:** Medicare UPIN H57241 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1366513822) · Data from the CMS NPPES public registry.