ROGER ALAN WILLIAMS PHD
NPI 1679655922
Psychologist - Clinical in Macon, GA
About Roger Alan Williams Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROGER ALAN WILLIAMS PHD (NPI 1679655922) is an individual clinical provider in Macon, Georgia, licensed in Georgia (PSY001108) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Healthcare, and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Roger Alan Williams Phd 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 Roger Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Macon, GA 31201
- Reassigned Medicare billing, Georgia enrollment
- 54 clinicians in this Medicare group
Fayetteville, GA 30214
- Reassigned Medicare billing, Georgia enrollment
- 759 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Healthcare
Acute Care Hospitals · Warner Robins, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 31201 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 4
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 Roger Williams's NPI number?
The NPI number for Roger Williams is 1679655922. It was assigned to this individual provider in the NPPES registry on October 19, 2006.
Where is Roger Williams located?
Roger Williams practices at 655 First Street, Macon, GA 31201. The listed phone number is (478) 301-5930.
What is Roger Williams's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Roger Williams enrolled in Medicare?
Yes. Roger Williams 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 Roger Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roger Williams reassigns Medicare benefits to 2 organizations: The Corporation Of Mercer University (Macon, GA) and Privia Medical Group Of Georgia LLC (Fayetteville, 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 Roger Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Roger Williams accept?
Health plans from Alliant Health Plans, Inc. and Oscar Health list Roger Williams 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 Roger Williams affiliated with any hospitals?
According to CMS data, Roger Williams is affiliated with Houston Healthcare.
When was this NPI record last updated?
The NPPES record for Roger Williams was last updated on October 30, 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.
# Roger Alan Williams, PHD · NPI 1679655922
Clinical provider in Macon, Georgia. Individual provider, active in the CMS NPPES registry since October 19, 2006.
## Identity
- **NPI:** 1679655922 (Entity type: Individual)
- **Enumerated:** October 19, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** PSY001108 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 655 FIRST STREET, Macon, GA 31201
- **Phone:** (478) 301-5930 · **Fax:** (478) 301-5932
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Corporation Of Mercer University (NPI 1174693162, Macon, GA); Privia Medical Group Of Georgia LLC (NPI 1013313857, Fayetteville, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1984
## Record status
- **NPPES last updated:** October 30, 2014
- **Other identifiers:** Other 680006605 (GA); Medicaid 000342933A (GA); Medicare UPIN R64767; and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1679655922) · Data from the CMS NPPES public registry.