NATHANIEL H WILLIAMS
NPI 1053947093
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Uniontown, PA

Active since March 22, 2020PECOS EnrolledAccepts Medicare Assignment
500 W BERKELEY ST, UNIONTOWN, PA 15401(724) 430-5000 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Nathaniel H Williams NPPES

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

NATHANIEL H WILLIAMS (NPI 1053947093) is an individual adult reconstructive orthopaedic surgery provider in Uniontown, Pennsylvania, licensed in Pennsylvania (MD495924) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Uniontown Hospital, and is a graduate of Pennsylvania State University College Of Medicine (2020).

NPPES Registry Identity

NPI1053947093
Entity TypeIndividualMale
Primary Taxonomy207XS0114X
Provider Legal NameNATHANIEL H WILLIAMS
Location Address500 W BERKELEY STUniontown, PA 15401-5596
Mailing Address500 W Berkeley StUniontown, PA 15401-5596 · (724) 430-5000
Sole ProprietorNo
Medical School CMSPennsylvania State University College Of MedicineGraduated 2020
Enumeration DateMarch 22, 2020
Last NPPES UpdateJuly 5, 2026
NPPES CertifiedJuly 5, 2026
✔ NPI 1053947093 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XS0114X
License✔ Licensed in PA · MD495924
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License MD495924 (PA), 73338 (TN)
500 W BERKELEY ST, Uniontown, PA 15401

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

Nathaniel H Williams 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 ID3678071057
PECOS Enrollment IDI20250814000213
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 Reassignments

2

Medicare enrollment records show Nathaniel Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
General Acute Care Hospital
500 W BERKELEY ST
Uniontown, PA 15401
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: Fayette Physician Network Inc
  • 398 clinicians in this Medicare group
Internal Medicine
1301 22ND AVE S
Nashville, TN 37232
  • Reassigned Medicare billing, Tennessee enrollment
  • 4,711 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 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Uniontown Hospital

Acute Care Hospitals · Uniontown, PA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390041
Location500 West Berkeley StreetUniontown, PA 15401 · Fayette County
Emergency services

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440039
Location1211 Medical Center DriveNashville, TN 37232 · Davidson County
Emergency services Birthing friendly

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.

Physical Therapist
500 W BERKELEY ST
UNIONTOWN, PA 15401
Nurse Anesthetist, Certified Registered
500 W BERKELEY ST
UNIONTOWN, PA 15401
Emergency Medicine
500 W BERKELEY ST
UNIONTOWN, PA 15401
Radiology (Diagnostic Radiology)
500 W BERKELEY ST
UNIONTOWN, PA 15401
Anesthesiology
500 W BERKELEY ST
UNIONTOWN, PA 15401
Clinical Nurse Specialist (Family Health)
500 W BERKELEY ST
UNIONTOWN, PA 15401
Physician Assistant
500 W BERKELEY ST
UNIONTOWN, PA 15401
Physician Assistant (Medical)
500 W BERKELEY ST
UNIONTOWN, PA 15401

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 Nathaniel Williams's NPI number?

The NPI number for Nathaniel Williams is 1053947093. It was assigned to this individual provider in the NPPES registry on March 22, 2020.

Where is Nathaniel Williams located?

Nathaniel Williams practices at 500 W Berkeley St, Uniontown, PA 15401. The listed phone number is (724) 430-5000.

What is Nathaniel Williams's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.

Is Nathaniel Williams enrolled in Medicare?

Yes. Nathaniel 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 Nathaniel Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Williams reassigns Medicare benefits to 2 organizations: Uniontown Hospital (Uniontown, PA) and Vanderbilt University Medical Center (Nashville, TN). 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 Nathaniel Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathaniel Williams accept?

Health plans from Alliant Health Plans, Inc. list Nathaniel 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 Nathaniel Williams affiliated with any hospitals?

According to CMS data, Nathaniel Williams is affiliated with Uniontown Hospital and Vanderbilt University Medical Center.

When was this NPI record last updated?

The NPPES record for Nathaniel Williams was last updated on July 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.