WILLIAM G. BLUM M.D.
NPI 1013922863
Internal Medicine - Hematology & Oncology in Atlanta, GA
About William G. Blum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM G. BLUM M.D. (NPI 1013922863) is an individual hematology & oncology provider in Atlanta, Georgia, licensed in Georgia (078757) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Emory University Hospital, and maintains a secondary practice location in Columbus.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
William G. Blum 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 Reassignment
Medicare enrollment records show William Blum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Atlanta, GA 30322
- Reassigned Medicare billing, Georgia enrollment
- 4,840 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Emory University Hospital
Acute Care Hospitals · Atlanta, GAEmory University Hospital Midtown
Acute Care Hospitals · Atlanta, GAEmory Johns Creek Hospital
Acute Care Hospitals · Johns Creek, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30322 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATLANTA, GA 30322
ATLANTA, GA 30322
ATLANTA, GA 30322
ATLANTA, GA 30322
ATLANTA, GA 30322
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 Blum's NPI number?
The NPI number for William Blum is 1013922863. It was assigned to this individual provider in the NPPES registry on July 30, 2006.
Where is William Blum located?
William Blum practices at 1365 Clifton Rd NE Bldg C, Atlanta, GA 30322. The listed phone number is (404) 778-7408.
What is William Blum's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is William Blum enrolled in Medicare?
Yes. William Blum 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 Blum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Blum reassigns Medicare benefits to The Emory Clinic Inc (Atlanta, 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 Blum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Blum accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list William Blum 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 Blum affiliated with any hospitals?
According to CMS data, William Blum is affiliated with Emory University Hospital, Emory University Hospital Midtown and Emory Johns Creek Hospital.
When was this NPI record last updated?
The NPPES record for William Blum was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# William G. Blum, M.D. · NPI 1013922863
Hematology & Oncology physician in Atlanta, Georgia. Individual provider, active in the CMS NPPES registry since July 30, 2006.
## Identity
- **NPI:** 1013922863 (Entity type: Individual)
- **Enumerated:** July 30, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 078757 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1365 CLIFTON RD NE BLDG C, Atlanta, GA 30322-1280
- **Phone:** (404) 778-7408
## 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:** The Emory Clinic Inc (NPI 1396798229, Atlanta, GA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Georgia School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Medicaid 2448515 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1013922863) · Data from the CMS NPPES public registry.