JOHN MARK TATMAN MD
NPI 1336194638
Anesthesiology in Atlanta, GA
About John Mark Tatman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MARK TATMAN MD (NPI 1336194638) is an individual anesthesiology provider in Atlanta, Georgia, licensed in Georgia (048730) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Phoebe Putney Memorial Hospital, and is a graduate of University Of Kentucky College Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
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 Tatman 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
3Medicare enrollment records show John Tatman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Atlanta, GA 30312
- Reassigned Medicare billing, Georgia enrollment
- 49 clinicians in this Medicare group
Kennesaw, GA 30152
- Reassigned Medicare billing, Georgia enrollment
- 629 clinicians in this Medicare group
Albany, GA 31707
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Phoebe Physician Group Inc
- 1,118 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 9
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Phoebe Putney Memorial Hospital
Acute Care Hospitals · Albany, 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.
ATLANTA, GA 30312
ATLANTA, GA 30312
ATLANTA, GA 30312
ATLANTA, GA 30312
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 Tatman's NPI number?
The NPI number for John Tatman is 1336194638. It was assigned to this individual provider in the NPPES registry on May 24, 2006.
Where is John Tatman located?
John Tatman practices at 303 Parkway Dr NE Pmb 404, Atlanta, GA 30312. The listed phone number is (404) 265-4520.
What is John Tatman's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Tatman enrolled in Medicare?
Yes. John Tatman 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 Tatman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Tatman reassigns Medicare benefits to 3 organizations: Northlake Anesthesia Professionals, LLC (Atlanta, GA), Mak Anesthesia Holdings LLC (Kennesaw, GA) and Phoebe Gastroenterology Associates (Albany, 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 Tatman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Tatman accept?
Health plans from Alliant Health Plans, Inc. list John Tatman 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 Tatman affiliated with any hospitals?
According to CMS data, John Tatman is affiliated with Phoebe Putney Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John Tatman was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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 Mark Tatman, MD · NPI 1336194638
Anesthesiology physician in Atlanta, Georgia. Individual provider, active in the CMS NPPES registry since May 24, 2006.
## Identity
- **NPI:** 1336194638 (Entity type: Individual)
- **Enumerated:** May 24, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 048730 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 303 PARKWAY DR NE, PMB 404, Atlanta, GA 30312-1212
- **Phone:** (404) 265-4520 · **Fax:** (404) 265-3894
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Northlake Anesthesia Professionals, LLC (NPI 1982637419, Atlanta, GA); Mak Anesthesia Holdings LLC (NPI 1912452939, Kennesaw, GA); Phoebe Gastroenterology Associates (NPI 1659627131, Albany, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kentucky College Of Medicine, class of 1998
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Other 1982637419 (GA); Other 951757 (GA); Other 976003 (GA); and 5 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1336194638) · Data from the CMS NPPES public registry.