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AGH NEPHROLOGY ASSOCIATES
NPI 1992705420
Internal Medicine - Nephrology in Pittsburgh, PA

Active since July 27, 2005CLIA Certified · 4 labs
320 E NORTH AVE 4TH FL, SOUTH TOWER, PITTSBURGH, PA 15212(412) 359-3319(412) 359-4136 Get Directions Write a Review

NPPES record last updated: October 16, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 16, 2020, Nov 8, 2017, Apr 26, 2017 and 1 more (4 updates tracked since 2017).

About Agh Nephrology Associates NPPES

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

AGH NEPHROLOGY ASSOCIATES (NPI 1992705420) is a healthcare organization registered as a nephrology in Pittsburgh, Pennsylvania and active in the NPI registry since July 2005. The organization holds 4 active CLIA laboratory certificates and lists Cindy Waltemire, Delegated Official, as its authorized official.

NPPES Registry Identity

NPI1992705420
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameALLEGHENY CLINIC
Location Address320 E NORTH AVE 4TH FL, SOUTH TOWERPittsburgh, PA 15212-4756
Mailing Address320 E North Ave Fl 4Pittsburgh, PA 15212-4756 · (412) 359-3319 · Fax (412) 359-4136
Phone(412) 359-3319
Fax(412) 359-4136
Organization SubpartNo
Authorized OfficialCindy WaltemireDelegated Official · (412) 330-5864
Enumeration DateJuly 27, 2005
Last NPPES UpdateOctober 16, 20204 updates tracked since enumeration
NPPES CertifiedOctober 14, 2020
✔ NPI 1992705420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
320 E NORTH AVE 4TH FL, Pittsburgh, PA 15212
Open in Google Maps ↗

Other Names 1

Doing Business AsAgh Nephrology Associates

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)

Agh Nephrology Associates 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 Agh Nephrology Associates, which bills Medicare for the services they deliver. Of these, 518 practice at this address and 1,484 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
Jonathan Adams, M.D.
Anesthesiology
NPI 1730448903
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-6581
✔ PECOS✔ Accepts MedicareSame address
Mallory Adhikari, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1821666173
320 E NORTH AVE
Pittsburgh, PA 15212
(724) 217-2017
✔ Accepts MedicareSame address
Syeda Ahmad
Hospitalist
NPI 1780048025
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-3030
✔ PECOS✔ Accepts MedicareSame address
Muhammad Rayan Alamiry, M.D
Internal Medicine
NPI 1699105957
320 E NORTH AVENUE SOUTH TOWER FOURTH FLOOR
Pittsburgh, PA 15212
(412) 359-3319
✔ PECOS✔ Accepts MedicareSame address
Nael Aldweib, MD
Advanced Heart Failure and Transplant Cardiology
NPI 1710242615
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-3551
✔ PECOS✔ Accepts MedicareSame address
Oluseyi Aliu, M.D.
Plastic and Reconstructive Surgery
NPI 1114138625
320 E NORTH AVE STE 401
Pittsburgh, PA 15212
(412) 359-4352
✔ PECOS✔ Accepts MedicareSame address
Claire Allen
Neurology
NPI 1316524937
320 E NORTH AVE HEMLOCK BUILDING
Pittsburgh, PA 15212
(412) 359-8850
✔ PECOSSame address
Ryan Anderson
Diagnostic Radiology
NPI 1689069130
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 578-6808
✔ PECOS✔ Accepts MedicareSame address
Hammad Arshad, MD
Pulmonary Disease
NPI 1407161862
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-6656
✔ PECOS✔ Accepts MedicareSame address
Tarika Atkinson, CRNP
Nurse Practitioner
NPI 1528831831
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-3131
✔ PECOS✔ Accepts MedicareSame address
David Axline, DMD
Dentist
NPI 1912566258
320 E NORTH AVE STE 111
Pittsburgh, PA 15212
(412) 359-4629
✔ PECOSSame address
Stephen Bailey, MD
Thoracic Surgery
NPI 1033185277
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-8820
✔ PECOS✔ Accepts MedicareSame address
Stephanie Baltaji
Critical Care (Intensivists)
NPI 1821542804
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-6656
✔ PECOS✔ Accepts MedicareSame address
Michael Barkowski, D.O.
Hospice/Palliative Care
NPI 1811422884
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 578-6808
✔ PECOS✔ Accepts MedicareSame address
William Belden, MD
Cardiac Electrophysiology
NPI 1659361145
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-6444
✔ PECOS✔ Accepts MedicareSame address
Katherine Berry, MD
Neurosurgery
NPI 1326578998
320 E NORTH AVE STE 208
Pittsburgh, PA 15212
(412) 359-6200
✔ PECOS✔ Accepts MedicareSame address
Alexis Bousamra, M.D.
Pathology
NPI 1902049729
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-6886
✔ PECOS✔ Accepts MedicareSame address
Olivia Bressler, MS, RDN, LDN
Registered Dietitian or Nutrition Professional
NPI 1326879206
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-3252
Same address
Vincent Ceretto, D.O
Emergency Medicine
NPI 1003262999
320 E NORTH AVE
Pittsburgh, PA 15212
(412) 359-3030
✔ PECOSSame address
Jennifer Chen, MD
General Surgery
NPI 1740611987
320 E NORTH AVE FL 3
Pittsburgh, PA 15212
(412) 359-3115
✔ PECOS✔ Accepts MedicareSame address
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.

CLIA Laboratory Certificates CMS CLIA 4

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 39D1072925

Ahn Nephrology Associates · Pittsburgh, PA
Active · expires Aug 27, 2027
CLIA Number39D1072925
Laboratory TypePhysician Office
Certificate Effective DateAugust 28, 2025
Certificate Expiration DateAugust 27, 2027
Laboratory DirectorKhaled Nashar
Laboratory Phone(412) 359-3319
Laboratory LocationAhn Nephrology Associates320 East North Avenue 4th Floor South Tower, Pittsburgh, PA 15212
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 39D2142569

Ahn Nephrology Associates · Pittsburgh, PA
Active · expires Jan 15, 2028
CLIA Number39D2142569
Laboratory TypePhysician Office
Certificate Effective DateJanuary 16, 2026
Certificate Expiration DateJanuary 15, 2028
Laboratory DirectorDr. Luis M. Ortega
Laboratory Phone(412) 359-3319
Laboratory LocationAhn Nephrology Associates4815 Liberty Avenue, Mp, Suite 250, Pittsburgh, PA 15224
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 39D2163687

Ahn Nephrology Associates · Pittsburgh, PA
Active · expires Mar 19, 2027
CLIA Number39D2163687
Laboratory TypePhysician Office
Certificate Effective DateMarch 20, 2025
Certificate Expiration DateMarch 19, 2027
Laboratory DirectorDr. Luis M. Ortega
Laboratory Phone(412) 359-3319
Laboratory LocationAhn Nephrology Associates4815 Liberty Ave, Mellon Pavilion Ste M56, Pittsburgh, PA 15224
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 39D2163689

Ahn Nephrology Associates · Wexford, PA
Active · expires Mar 19, 2027
CLIA Number39D2163689
Laboratory TypePhysician Office
Certificate Effective DateMarch 20, 2025
Certificate Expiration DateMarch 19, 2027
Laboratory DirectorDr. Khaled Nashar
Laboratory Phone(412) 359-3319
Laboratory LocationAhn Nephrology Associates500 Blazier Drive, Suite 200, Wexford, PA 15090
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 1992705420. It was assigned to this organization in the NPPES registry on July 27, 2005. The provider is doing business as Agh Nephrology Associates.

Where is Allegheny Clinic located?

Allegheny Clinic is located at 320 E North Ave 4th Fl South Tower, Pittsburgh, PA 15212. The listed phone number is (412) 359-3319.

What is Allegheny Clinic's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

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, 518 practice at this address and 1,484 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Allegheny Clinic hold CLIA laboratory certificates?

Yes. 4 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Allegheny Clinic was last updated on October 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.