STUART ACKERMAN
NPI 1740256312
Internal Medicine in Altoona, PA
About Stuart Ackerman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STUART ACKERMAN (NPI 1740256312) is an individual internal medicine provider in Altoona, Pennsylvania, licensed in Pennsylvania (OS010401L) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Upmc Altoona, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
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
Stuart Ackerman 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 Stuart Ackerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Altoona, PA 16601
- Reassigned Medicare billing, Pennsylvania enrollment
- 291 clinicians in this Medicare group
Pittsburgh, PA 15235
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 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 6
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.
Upmc Altoona
Acute Care Hospitals · Altoona, PAUpmc Bedford Memorial
Acute Care Hospitals · Everett, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 16601 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.
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.
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 Stuart Ackerman's NPI number?
The NPI number for Stuart Ackerman is 1740256312. It was assigned to this individual provider in the NPPES registry on February 24, 2006.
Where is Stuart Ackerman located?
Stuart Ackerman practices at 620 Howard Ave Lexington Hospitalists, Inc, Altoona, PA 16601. The listed phone number is (814) 889-2223.
What is Stuart Ackerman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stuart Ackerman enrolled in Medicare?
Yes. Stuart Ackerman 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 Stuart Ackerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stuart Ackerman reassigns Medicare benefits to 2 organizations: Upmc Altoona (Altoona, PA) and University Of Pittsburgh Physicians (Pittsburgh, PA). 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 Stuart Ackerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stuart Ackerman affiliated with any hospitals?
According to CMS data, Stuart Ackerman is affiliated with Upmc Altoona and Upmc Bedford Memorial.
When was this NPI record last updated?
The NPPES record for Stuart Ackerman was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Stuart Ackerman · NPI 1740256312
Internal Medicine physician in Altoona, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 24, 2006.
## Identity
- **NPI:** 1740256312 (Entity type: Individual)
- **Enumerated:** February 24, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OS010401L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 620 HOWARD AVE, LEXINGTON HOSPITALISTS, INC, Altoona, PA 16601-4804
- **Phone:** (814) 889-2223
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Upmc Altoona (NPI 1497831655, Altoona, PA); University Of Pittsburgh Physicians (NPI 1407985674, Pittsburgh, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** August 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1740256312) · Data from the CMS NPPES public registry.