JOHN J ZECHERLE M.D.
NPI 1598787871
Emergency Medicine in Greenbrae, CA
About John J Zecherle M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN J ZECHERLE M.D. (NPI 1598787871) is an individual emergency medicine provider in Greenbrae, California, licensed in California (G49316) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (1981).
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
John J Zecherle 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 Zecherle reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenbrae, CA 94904
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1548216260 (California)
- 2,323 clinicians in this Medicare group
San Pablo, CA 94806
- Reassigned Medicare billing, California enrollment
- 131 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 2
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 94904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
GREENBRAE, CA 94904
GREENBRAE, CA 94904
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 Zecherle's NPI number?
The NPI number for John Zecherle is 1598787871. It was assigned to this individual provider in the NPPES registry on July 24, 2006.
Where is John Zecherle located?
John Zecherle practices at 250 Bon Air Rd, Greenbrae, CA 94904. The listed phone number is (415) 925-7000.
What is John Zecherle's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Zecherle enrolled in Medicare?
Yes. John Zecherle 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 Zecherle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Zecherle reassigns Medicare benefits to 2 organizations: Cep America - California (Greenbrae, CA) and California Emergency Physicians Medical Group A Professional Corp (San Pablo, 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 Zecherle'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 Zecherle 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.
# John J Zecherle, M.D. · NPI 1598787871
Emergency Medicine physician in Greenbrae, California. Individual provider, active in the CMS NPPES registry since July 24, 2006.
## Identity
- **NPI:** 1598787871 (Entity type: Individual)
- **Enumerated:** July 24, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** G49316 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 250 BON AIR RD, Greenbrae, CA 94904-1702
- **Phone:** (415) 925-7000
## 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): Cep America - California (NPI 1417975319, Greenbrae, CA); California Emergency Physicians Medical Group A Professional Corp (NPI 1922426840, San Pablo, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 1981
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN A51328 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1598787871) · Data from the CMS NPPES public registry.