1. Home
  2. Directory
  3. Pennsylvania
  4. Port Allegany
  5. Chiropractor
  6. NPI Profile

THAD NATHAN DIEHL D.C.
NPI 1235139015
Chiropractor in Port Allegany, PA

Active since July 22, 2005Accepts Medicare Assignment
717 E MILL ST, PORT ALLEGANY, PA 16743(814) 642-7236(814) 313-7535 Get Directions Write a Review

NPPES record last updated: January 26, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Thad Nathan Diehl D.c. NPPES

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

THAD NATHAN DIEHL D.C. (NPI 1235139015) is an individual chiropractor in Port Allegany, Pennsylvania, licensed in Pennsylvania (DC009168) and active in the NPI registry since July 2005. He is a graduate of Palmer College Chiropractic - Davenport (2003).

NPPES Registry Identity

NPI1235139015
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameTHAD NATHAN DIEHLCredential: D.C.
Location Address717 E MILL STPort Allegany, PA 16743-9743
Mailing Address717 E Mill StPort Allegany, PA 16743-9743 · (814) 642-7236 · Fax (814) 313-7535
Phone(814) 642-7236
Fax(814) 313-7535
Sole ProprietorYes
Medical School CMSPalmer College Chiropractic - DavenportGraduated 2003
Enumeration DateJuly 22, 2005
Last NPPES UpdateJanuary 26, 2021
NPPES CertifiedJanuary 26, 2021
✔ NPI 1235139015 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in PA · DC009168
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
717 E MILL ST, Port Allegany, PA 16743
Open in Google Maps ↗

Other Identifiers 2

OtherDI1608783PA · Blue Cross Blue Shield
Medicaid1010002500001PA

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

Thad Nathan Diehl D.c. 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 ID2163401928
PECOS Enrollment IDI20040715000582

Medicare Billing Reassignments

2

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

Provider Profile
19 mi
Chiropractor
801 W STATE ST
Olean, NY 14760
  • Reassigned Medicare billing, Pennsylvania enrollment
NPI 1194809137 (716) 372-1236
Bradford Chiropractic Center LLC
21 mi
Chiropractor
536 E MAIN ST
Bradford, PA 16701
  • Reassigned Medicare billing, Pennsylvania enrollment
NPI 1710633631 (814) 568-1800

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

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.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
427 services63 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PORT ALLEGANY CHIROPRACTIC LLC
Chiropractor
717 E MILL ST
PORT ALLEGANY, PA 16743
McKean County (814) 642-7236

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 Thad Diehl's NPI number?

The NPI number for Thad Diehl is 1235139015. It was assigned to this individual provider in the NPPES registry on July 22, 2005.

Where is Thad Diehl located?

Thad Diehl practices at 717 E Mill St, Port Allegany, PA 16743. The listed phone number is (814) 642-7236.

What is Thad Diehl's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Thad Diehl enrolled in Medicare?

Yes. Thad Diehl 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 Thad Diehl's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thad Diehl reassigns Medicare benefits to 2 organizations: (Olean, NY) and Bradford Chiropractic Center LLC (Bradford, 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 Thad Diehl's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Thad Diehl was last updated on January 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.