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NICHOLAS ANDREW HARRIS MD, PHD
NPI 1851911051
Pediatrics - Adolescent Medicine in Pittsburgh, PA

Active since April 17, 2020PECOS Enrolled
3420 5TH AVE, PITTSBURGH, PA 15213(412) 692-5285 Get Directions Write a Review

NPPES record last updated: April 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 3, 2026, Mar 24, 2026, Apr 17, 2020 (3 updates tracked since 2020).

About Nicholas Andrew Harris Md, Phd NPPES

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

NICHOLAS ANDREW HARRIS MD, PHD (NPI 1851911051) is an individual adolescent medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD482634) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Vanderbilt University School Of Medicine (2012).

NPPES Registry Identity

NPI1851911051
Entity TypeIndividualMale
Primary Taxonomy2080A0000X
Provider Legal NameNICHOLAS ANDREW HARRISCredential: MD, PHD
Location Address3420 5TH AVEPittsburgh, PA 15213-3205
Mailing Address120 Lytton Ave Ste M060Pittsburgh, PA 15213-1481 · (412) 692-6677 · Fax (412) 692-8584
Phone(412) 692-5285
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 2012
Enumeration DateApril 17, 2020
Last NPPES UpdateApril 3, 20263 updates tracked since enumeration
NPPES CertifiedApril 3, 2026
✔ NPI 1851911051 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in PA · MD482634
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
Also ListedPediatricsTaxonomy 208000000X · License MD482634 (PA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3420 5TH AVE, Pittsburgh, PA 15213
Open in Google Maps ↗

Secondary Practice Locations 2

Location 14401 Penn AvePittsburgh, PA 15224-1334 · Phone (412) 438-2808
Location 2120 Lytton Ave Ste M60Pittsburgh, PA 15213-1481 · Phone (412) 692-6677 · Fax (412) 692-8584

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicholas Andrew Harris Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9537580113
PECOS Enrollment IDI20260706000412
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 Reassignment

Medicare enrollment records show Nicholas Harris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Pittsburgh Physicians
0.1 mi
Internal Medicine
3500 5TH AVE, 4TH FLOOR
Pittsburgh, PA 15213
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 7,114 clinicians in this Medicare group
NPI 1548433527 (412) 682-2434

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

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.

ELISSA GITTES
Specialist
3420 5TH AVE, ROOM 236
PITTSBURGH, PA 15213
Allegheny County (412) 692-6677
MRS. DONNA S DUCHENE CPNP
Nurse Practitioner (Pediatrics)
3420 5TH AVE, PRIMARY CARE CENTER,CHILDREN'S HOSPITAL OF PITTSBURGH
PITTSBURGH, PA 15213
Allegheny County (412) 692-6000
RACHEL ALADE
Pediatrics
3420 5TH AVE
PITTSBURGH, PA 15213
Allegheny County (240) 460-5644
KIM ROGAL WINIKER
Student in an Organized Health Care Education/Training Program
3420 5TH AVE
PITTSBURGH, PA 15213
Allegheny County (412) 692-6000
MRS. MALLARY WHIPPLE MS,RD,LDN
Dietitian, Registered
3420 5TH AVE
PITTSBURGH, PA 15213
Allegheny County (412) 692-5200
ASHLEY DAWN ADKINS MD
Pediatrics
3420 5TH AVE
PITTSBURGH, PA 15213
Allegheny County (412) 692-6000
JORDAN NEOMA PIZZARRO MD
Student in an Organized Health Care Education/Training Program
3420 5TH AVE
PITTSBURGH, PA 15213
Allegheny County (412) 692-6000
DR. MARIA LANYI AMENDOLA MD
Student in an Organized Health Care Education/Training Program
3420 5TH AVE
PITTSBURGH, PA 15213
Allegheny County (412) 692-6000

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 Nicholas Harris's NPI number?

The NPI number for Nicholas Harris is 1851911051. It was assigned to this individual provider in the NPPES registry on April 17, 2020.

Where is Nicholas Harris located?

Nicholas Harris practices at 3420 5th Ave, Pittsburgh, PA 15213. The listed phone number is (412) 692-5285.

What is Nicholas Harris's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

Is Nicholas Harris enrolled in Medicare?

Yes. Nicholas Harris is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nicholas Harris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Harris reassigns Medicare benefits to University Of Pittsburgh Physicians (Pittsburgh, PA). The 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 Nicholas Harris'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 Nicholas Harris was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.