NATHAN ADAM KELLER M.D.
NPI 1174967749
Obstetrics & Gynecology in West Reading, PA
About Nathan Adam Keller M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATHAN ADAM KELLER M.D. (NPI 1174967749) is an individual obstetrics & gynecology provider in West Reading, Pennsylvania, licensed in Pennsylvania (MD462046) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Reading Hospital, and maintains a secondary practice location in Lebanon.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Nathan Adam Keller 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 Reassignments
2Medicare enrollment records show Nathan Keller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Reading, PA 19611
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 clinicians in this Medicare group
Reinholds, PA 17569
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 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.
Reading Hospital
Acute Care Hospitals · West Reading, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19611 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST READING, PA 19611
WEST READING, PA 19611
WEST READING, PA 19611
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 Nathan Keller's NPI number?
The NPI number for Nathan Keller is 1174967749. It was assigned to this individual provider in the NPPES registry on April 25, 2013.
Where is Nathan Keller located?
Nathan Keller practices at 420 S 5th Ave, West Reading, PA 19611. The listed phone number is (484) 628-8972.
What is Nathan Keller's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Nathan Keller enrolled in Medicare?
Yes. Nathan Keller 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 Nathan Keller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Keller reassigns Medicare benefits to 2 organizations: Tower Health Medical Group (West Reading, PA) and Wellspan Medical Group (Reinholds, 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 Nathan Keller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nathan Keller affiliated with any hospitals?
According to CMS data, Nathan Keller is affiliated with Reading Hospital.
When was this NPI record last updated?
The NPPES record for Nathan Keller was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Nathan Adam Keller, M.D. · NPI 1174967749
Obstetrics & Gynecology physician in West Reading, Pennsylvania. Individual provider, active in the CMS NPPES registry since April 25, 2013.
## Identity
- **NPI:** 1174967749 (Entity type: Individual)
- **Enumerated:** April 25, 2013
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD462046 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 420 S 5TH AVE, West Reading, PA 19611-2143
- **Phone:** (484) 628-8972
## 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): Tower Health Medical Group (NPI 1063589273, West Reading, PA); Wellspan Medical Group (NPI 1629528211, Reinholds, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2013
## Record status
- **NPPES last updated:** August 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174967749) · Data from the CMS NPPES public registry.