AHN WESTMORELAND GASTROENTEROLOGY
NPI 1144755794
Internal Medicine - Gastroenterology in Greensburg, PA

Active since April 20, 2017
118 NATURE PARK RD STE 300, GREENSBURG, PA 15601(724) 836-5540(724) 836-5548 Get Directions Write a Review

NPPES record last updated: November 6, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 6, 2020, Jun 12, 2017, Apr 20, 2017 (3 updates tracked since 2017).

About Ahn Westmoreland Gastroenterology NPPES

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

AHN WESTMORELAND GASTROENTEROLOGY (NPI 1144755794) is a healthcare organization registered as a gastroenterology in Greensburg, Pennsylvania and active in the NPI registry since April 2017. The organization lists Candice Gentile, Enrollment Specialist, as its authorized official.

NPPES Registry Identity

NPI1144755794
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameALLEGHENY CLINIC
Location Address118 NATURE PARK RD STE 300Greensburg, PA 15601-6960
Mailing Address4 Allegheny Ctr Fl 7Pittsburgh, PA 15212-5255 · (412) 330-5861 · Fax (412) 330-5844
Fax(724) 836-5548
Organization SubpartNo
Authorized OfficialCandice GentileEnrollment Specialist · (412) 330-5853
Enumeration DateApril 20, 2017
Last NPPES UpdateNovember 6, 20203 updates tracked since enumeration
NPPES CertifiedNovember 6, 2020
✔ NPI 1144755794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedPhysician AssistantTaxonomy 363A00000X
118 NATURE PARK RD STE 300, Greensburg, PA 15601

Other Names 1

Doing Business AsAhn Westmoreland Gastroenterology

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ahn Westmoreland Gastroenterology is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2,876

Medicare enrollment records show 2,876 clinicians reassign Medicare billing to Ahn Westmoreland Gastroenterology, which bills Medicare for the services they deliver. Of these, 18 practice at this address and 34 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 65

Nurse Practitioner466
Certified Registered Nurse Anesthetist (CRNA)448
Internal Medicine203
Hospitalist173
Physical Therapist in Private Practice140
Family Practice139
Anesthesiology132
Obstetrics/Gynecology121
57 other specialties1,054

Nearest to this location (20)

See all 2,876
Family Practice
NPI 1578579009
118 NATURE PARK RD
Greensburg, PA 15601
(724) 689-0572
✔ PECOSSame address
Gastroenterology
NPI 1861477143
118 NATURE PARK RD SUITE 300
Greensburg, PA 15601
(724) 836-5540
✔ PECOS✔ Accepts MedicareSame address
Qualified Speech Language Pathologist
NPI 1942557822
118 NATURE PARK RD
Greensburg, PA 15601
(724) 689-0571
Same address
Physical Therapist in Private Practice
NPI 1821559501
118 NATURE PARK RD
Greensburg, PA 15601
(724) 689-0571
✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1952792558
118 NATURE PARK RD STE 200
Greensburg, PA 15601
(412) 359-3155
✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1568612331
118 NATURE PARK RD STE 200
Greensburg, PA 15601
(412) 359-3155
✔ Accepts MedicareSame address
Occupational Therapist in Private Practice
NPI 1619503430
118 NATURE PARK RD
Greensburg, PA 15601
(724) 689-0571
Same address
Nurse Practitioner
NPI 1427445600
118 NATURE PARK RD STE 300
Greensburg, PA 15601
(724) 835-5540
✔ PECOS✔ Accepts MedicareSame address
Physical Therapist in Private Practice
NPI 1699038943
118 NATURE PARK RD
Greensburg, PA 15601
(724) 689-0571
✔ Accepts MedicareSame address
Physical Therapist in Private Practice
NPI 1396405577
118 NATURE PARK RD # A
Greensburg, PA 15601
(724) 689-0571
✔ Accepts MedicareSame address
Physical Therapist in Private Practice
NPI 1841555091
118 NATURE PARK RD
Greensburg, PA 15601
(724) 689-0571
Same address
Nurse Practitioner
NPI 1023663168
118 NATURE PARK RD
Greensburg, PA 15601
(412) 515-2239
✔ PECOS✔ Accepts MedicareSame address
Physical Therapist in Private Practice
NPI 1104832252
118 NATURE PARK RD
Greensburg, PA 15601
(724) 689-0571
Same address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1932376639
118 NATURE PARK RD STE 200
Greensburg, PA 15601
(412) 359-3155
✔ Accepts MedicareSame address
Physical Therapist in Private Practice
NPI 1497325021
118 NATURE PARK RD
Greensburg, PA 15601
(724) 689-0571
✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1912873415
118 NATURE PARK RD
Greensburg, PA 15601
(412) 515-2239
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1679950018
118 NATURE PARK RD
Greensburg, PA 15601
(412) 515-2239
✔ PECOS✔ Accepts MedicareSame address
Occupational Therapist in Private Practice
NPI 1467062745
118 NATURE PARK RD
Greensburg, PA 15601
(724) 689-0571
✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1629717079
6321 ROUTE 30 FL 2
Greensburg, PA 15601
(724) 671-1750
✔ PECOS✔ Accepts Medicare2.2 mi
Family Practice
NPI 1285650994
6321 ROUTE 30 FL 2
Greensburg, PA 15601
(724) 671-1750
✔ PECOS✔ Accepts Medicare2.2 mi
See all 2,876 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Allegheny Clinic's NPI number?

The NPI number for Allegheny Clinic is 1144755794. It was assigned to this organization in the NPPES registry on April 20, 2017. The provider is doing business as Ahn Westmoreland Gastroenterology.

Where is Allegheny Clinic located?

Allegheny Clinic is located at 118 Nature Park Rd Ste 300, Greensburg, PA 15601. The listed phone number is (724) 836-5540.

What is Allegheny Clinic's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Allegheny Clinic enrolled in Medicare?

Yes. Allegheny Clinic is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allegheny Clinic?

According to the CMS Revalidation Reassignment List (October 2026 release), 2,876 clinicians in 65 Medicare specialties reassign their Medicare billing to Allegheny Clinic. A 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 the clinician's services. The largest specialties are Nurse Practitioner (466), Certified Registered Nurse Anesthetist (CRNA) (448) and Internal Medicine (203). Of these, 18 practice at this address and 34 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Allegheny Clinic was last updated on November 6, 2020. 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.