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DR. WILLIAM A J ALEXANDER JACKSON ROSS JR JR. M.D.
NPI 1245282037
Orthopaedic Surgery in Riverdale, GA

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
33 UPPER RIVERDALE RD SW STE 112, RIVERDALE, GA 30274(770) 897-7874 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 4, 2025, Mar 17, 2021, Apr 18, 2019 (3 updates tracked since 2019).

About Dr. William A J Alexander Jackson Ross Jr Jr. M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM A J ALEXANDER JACKSON ROSS JR JR. M.D. (NPI 1245282037) is an individual orthopaedic surgery provider in Riverdale, Georgia, licensed in Kentucky (52433) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Southern Regional Medical Center, and is a graduate of Meharry Medical College School Of Medicine (1993).

NPPES Registry Identity

NPI1245282037
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. WILLIAM A J ALEXANDER JACKSON ROSS JR JR.Credential: M.D.
Location Address33 UPPER RIVERDALE RD SW STE 112Riverdale, GA 30274-2642
Mailing Address1920 Niskey Lake Trl SwAtlanta, GA 30331-6326 · (404) 344-9755
Phone(770) 897-7874
Sole ProprietorYes
Medical School CMSMeharry Medical College School Of MedicineGraduated 1993
Enumeration DateMay 17, 2006
Last NPPES UpdateNovember 4, 20253 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1245282037 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in KY · 52433
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Foot and Ankle SurgeryTaxonomy 207XX0004X · License 047650 (GA)
33 UPPER RIVERDALE RD SW STE 112, Riverdale, GA 30274
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Other Identifiers 2

Medicaid00839462EGA
Other52433KY · Ky Medical License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Dr. William A J Alexander Jackson Ross Jr Jr. 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.

PECOS PAC ID9133298581
PECOS Enrollment IDI20131017001197, I20190502001367
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show William A J Ross Jr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern Regional Physicians Management Group, LLC
0.1 mi
Surgery
11 UPPER RIVERDALE RD SW
Riverdale, GA 30274
  • Reassigned Medicare billing, Georgia enrollment
  • 111 clinicians in this Medicare group
NPI 1043677271 (770) 991-8000

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.

Southern Regional Medical Center

Acute Care Hospitals · Riverdale, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110165
Location11 Upper Riverdale Road, SWRiverdale, GA 30274 · Clayton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30274 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 William A J Ross Jr's NPI number?

The NPI number for William A J Ross Jr is 1245282037. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is William A J Ross Jr located?

William A J Ross Jr practices at 33 Upper Riverdale Rd SW Ste 112, Riverdale, GA 30274. The listed phone number is (770) 897-7874.

What is William A J Ross Jr's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is William A J Ross Jr enrolled in Medicare?

Yes. William A J Ross Jr 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 organization bills Medicare for William A J Ross Jr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William A J Ross Jr reassigns Medicare benefits to Southern Regional Physicians Management Group, LLC (Riverdale, GA). The 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 William A J Ross Jr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William A J Ross Jr accept?

Health plans from Oscar Health list William A J Ross Jr 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 William A J Ross Jr affiliated with any hospitals?

According to CMS data, William A J Ross Jr is affiliated with Southern Regional Medical Center.

When was this NPI record last updated?

The NPPES record for William A J Ross Jr was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.