ISAAC B ANNAN MD
NPI 1336112234
Psychiatry & Neurology - Neurology in Macon, GA
About Isaac B Annan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISAAC B ANNAN MD (NPI 1336112234) is an individual neurology provider in Macon, Georgia, licensed in Georgia (71744) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Coliseum Medical Centers, Llc, Dba, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
Other Identifiers 1
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
Isaac B Annan 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
10Medicare enrollment records show Isaac Annan reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 792 clinicians in this Medicare group
Atlanta, GA 30322
- Reassigned Medicare billing, Georgia enrollment
- 4,840 clinicians in this Medicare group
Fitzgerald, GA 31750
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Phoebe Physician Group Inc
- 1,118 clinicians in this Medicare group
Dalton, GA 30720
- Reassigned Medicare billing, Georgia enrollment
- 236 clinicians in this Medicare group
Myrtle Beach, SC 29572
- Reassigned Medicare billing, Georgia enrollment
- 105 clinicians in this Medicare group
Broken Bow, OK 74728
- Reassigned Medicare billing, Texas enrollment
- 581 clinicians in this Medicare group
Milwaukee, WI 53220
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Plover, WI 54467
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Yuma, AZ 85367
- Reassigned Medicare billing, Arizona enrollment
- 46 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Coliseum Medical Centers, LLC, Dba
Acute Care Hospitals · Macon, GARedmond Regional Medical Center
Acute Care Hospitals · Rome, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 31217 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 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MACON, GA 31217
MACON, GA 31217
MACON, GA 31217
MACON, GA 31217
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 Isaac Annan's NPI number?
The NPI number for Isaac Annan is 1336112234. It was assigned to this individual provider in the NPPES registry on February 10, 2006.
Where is Isaac Annan located?
Isaac Annan practices at 350 Hospital Dr, Macon, GA 31217. The listed phone number is (470) 788-1010.
What is Isaac Annan's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Isaac Annan enrolled in Medicare?
Yes. Isaac Annan 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 Isaac Annan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Annan reassigns Medicare benefits to 10 organizations: Piedmont Hospitalist Physicians LLC (Stockbridge, GA), The Emory Clinic Inc (Atlanta, GA), Phoebe Dorminy Family Care (Fitzgerald, GA), Hamilton Medical Center, Inc. (Dalton, GA), Southeastern Hospitalist Services PC (Myrtle Beach, SC) and 5 more organizations, listed in the Medicare section above. 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 Isaac Annan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Isaac Annan accept?
Health plans from Alliant Health Plans, Inc. and Network Health list Isaac Annan 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 Isaac Annan affiliated with any hospitals?
According to CMS data, Isaac Annan is affiliated with Coliseum Medical Centers, LLC, Dba and Redmond Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Isaac Annan was last updated on December 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Isaac B Annan, MD · NPI 1336112234
Neurology physician in Macon, Georgia. Individual provider, active in the CMS NPPES registry since February 10, 2006.
## Identity
- **NPI:** 1336112234 (Entity type: Individual)
- **Enumerated:** February 10, 2006
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 71744 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 350 HOSPITAL DR, Macon, GA 31217-3838
- **Phone:** (470) 788-1010
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Piedmont Hospitalist Physicians LLC (NPI 1548219660, Stockbridge, GA); The Emory Clinic Inc (NPI 1396798229, Atlanta, GA); Phoebe Dorminy Family Care (NPI 1992084644, Fitzgerald, GA); Hamilton Medical Center, Inc. (NPI 1528056066, Dalton, GA); Southeastern Hospitalist Services PC (NPI 1003280108, Myrtle Beach, SC); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** December 1, 2023
- **Other identifiers:** Medicaid 1336112234 (WI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1336112234) · Data from the CMS NPPES public registry.