AHN WASHINGTON INTERNAL MEDICINE
NPI 1750756847
Internal Medicine in Washington, PA

Active since December 01, 2015
400 LOCUST AVE, WASHINGTON, PA 15301(724) 222-9300(724) 222-9246 Get Directions Write a Review

NPPES record last updated: November 6, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 6, 2020, Dec 3, 2015 (2 updates tracked since 2015).

About Ahn Washington Internal Medicine NPPES

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

AHN WASHINGTON INTERNAL MEDICINE (NPI 1750756847) is a healthcare organization registered as an internal medicine in Washington, Pennsylvania and active in the NPI registry since December 2015. The organization lists Denise Noel, Director Provider Enrollment, as its authorized official.

NPPES Registry Identity

NPI1750756847
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameALLEGHENY CLINIC
Location Address400 LOCUST AVEWashington, PA 15301-3397
Mailing Address4 Allegheny Ctr Fl 7Pittsburgh, PA 15212-5255 · (412) 330-5861 · Fax (412) 330-5844
Fax(724) 222-9246
Organization SubpartNo
Authorized OfficialDenise NoelDirector Provider Enrollment · (412) 330-5861
Enumeration DateDecember 1, 2015
Last NPPES UpdateNovember 6, 20202 updates tracked since enumeration
NPPES CertifiedNovember 6, 2020
✔ NPI 1750756847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
400 LOCUST AVE, Washington, PA 15301

Other Names 1

Doing Business AsAhn Washington Internal Medicine

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 Washington Internal Medicine 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 Washington Internal Medicine, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 66 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
Internal Medicine
NPI 1588614556
400 LOCUST AVE
Washington, PA 15301
(724) 222-9300
✔ PECOSSame address
Neurology
NPI 1972580983
400 LOCUST AVE STE 102
Washington, PA 15301
(724) 228-1414
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1841003688
400 LOCUST AVE STE 102
Washington, PA 15301
(724) 228-1414
✔ PECOSSame address
Interventional Pain Management
NPI 1417306705
400 LOCUST AVE
Washington, PA 15301
(724) 222-9300
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1730299173
95 LEONARD AVENUE BUILDING 1, SUITE 202
Washington, PA 15301
(724) 206-0610
✔ PECOS✔ Accepts Medicare0.1 mi
Anesthesiology
NPI 1851596761
155 WILSON AVE
Washington, PA 15301
(302) 332-8808
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1184694119
151 N FRANKLIN ST
Washington, PA 15301
(724) 222-7240
✔ PECOS✔ Accepts Medicare0.7 mi
Family Practice
NPI 1801024955
90 W CHESTNUT ST STE 410
Washington, PA 15301
(724) 430-2395
✔ PECOS✔ Accepts Medicare0.7 mi
Nurse Practitioner
NPI 1144619909
90 W CHESTNUT ST STE 410
Washington, PA 15301
(724) 430-2395
✔ PECOS✔ Accepts Medicare0.7 mi
Neurosurgery
NPI 1336134840
380 W CHESTNUT ST STE 101
Washington, PA 15301
(724) 228-1414
✔ PECOS1.0 mi
Neurosurgery
NPI 1316140338
380 W CHESTNUT ST STE 101
Washington, PA 15301
(724) 228-1414
✔ PECOS✔ Accepts Medicare1.0 mi
Neurosurgery
NPI 1194710608
380 W CHESTNUT ST STE 101
Washington, PA 15301
(724) 228-1414
✔ PECOS✔ Accepts Medicare1.0 mi
Obstetrics/Gynecology
NPI 1184042590
104 WELLNESS WAY BLDG 2
Washington, PA 15301
(724) 225-3640
✔ PECOS✔ Accepts Medicare1.6 mi
Pathology
NPI 1699087825
100 MEDICAL BLVD
Canonsburg, PA 15317
(724) 745-3916
✔ PECOS✔ Accepts Medicare5.2 mi
Nurse Practitioner
NPI 1124534961
100 MEDICAL BLVD
Canonsburg, PA 15317
(724) 873-5934
✔ PECOS✔ Accepts Medicare5.2 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1205884194
100 MEDICAL BLVD
Canonsburg, PA 15317
(412) 359-3155
✔ Accepts Medicare5.2 mi
Sports Medicine
NPI 1811186133
100 MEDICAL BLVD
Canonsburg, PA 15317
(724) 873-5955
✔ PECOS✔ Accepts Medicare5.2 mi
Hospitalist
NPI 1710338587
100 MEDICAL BLVD
Canonsburg, PA 15317
(724) 745-6100
✔ PECOS✔ Accepts Medicare5.2 mi
Anesthesiology
NPI 1689807679
100 MEDICAL BLVD
Canonsburg, PA 15317
(412) 359-3155
✔ PECOS✔ Accepts Medicare5.2 mi
Orthopedic Surgery
NPI 1316903388
100 MEDICAL BLVD
Canonsburg, PA 15317
(724) 873-5955
✔ PECOS✔ Accepts Medicare5.2 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 1750756847. It was assigned to this organization in the NPPES registry on December 1, 2015. The provider is doing business as Ahn Washington Internal Medicine.

Where is Allegheny Clinic located?

Allegheny Clinic is located at 400 Locust Ave, Washington, PA 15301. The listed phone number is (724) 222-9300.

What is Allegheny Clinic's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

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, 4 practice at this address and 66 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.