JOHN MARK ZIMMERMAN M.D.
NPI 1093032195
Anesthesiology in Gainesville, GA
About John Mark Zimmerman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MARK ZIMMERMAN M.D. (NPI 1093032195) is an individual anesthesiology provider in Gainesville, Georgia, licensed in Georgia (072181) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Northeast Georgia Medical Center, Inc, and is a graduate of University Of Texas Medical School At Houston (2010).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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 Mark Zimmerman 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 Zimmerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gainesville, GA 30501
- Reassigned Medicare billing, Georgia enrollment
- 162 clinicians in this Medicare group
Gainesville, GA 30501
- Reassigned Medicare billing, Georgia enrollment
- 166 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 8
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northeast Georgia Medical Center, Inc
Acute Care Hospitals · Gainesville, GAUnion General Hospital
Acute Care Hospitals · Blairsville, GANortheast Georgia Medical Center Lumpkin
Acute Care Hospitals · Dahlonega, GAOther Providers at the Same Location NPPES 20
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 John Zimmerman's NPI number?
The NPI number for John Zimmerman is 1093032195. It was assigned to this individual provider in the NPPES registry on April 28, 2010.
Where is John Zimmerman located?
John Zimmerman practices at 743 Spring St NE, Gainesville, GA 30501. The listed phone number is (770) 532-7179.
What is John Zimmerman's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Zimmerman enrolled in Medicare?
Yes. John 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 organizations bill Medicare for John Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Zimmerman reassigns Medicare benefits to 2 organizations: Ambulatory Anesthesia Of North Georgia, LLC (Gainesville, GA) and Anesthesia Associates Of Gainesville, LLC (Gainesville, GA). 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 Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Zimmerman accept?
Health plans from Alliant Health Plans, Inc. list John Zimmerman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Zimmerman affiliated with any hospitals?
According to CMS data, John Zimmerman is affiliated with Northeast Georgia Medical Center, Inc, Union General Hospital and Northeast Georgia Medical Center Lumpkin.
When was this NPI record last updated?
The NPPES record for John Zimmerman was last updated on July 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.