NPPES file of Aug 9, 2026

Keenan Walker

Acute Care Nurse Practitioner · Pittsburgh, PA

Keenan Walker is an acute care nurse practitioner with a practice address in Pittsburgh, Pennsylvania, and NPI 1649158023, issued on Aug 25, 2025. Check the license (Pennsylvania SP033045, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649158023
Name
Keenan Walker
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
SP033045 PA
Self-reported in NPPES; status is on the state search
Practice location
200 Lothrop St, Pittsburgh, PA 15213
Phone
(412) 641-4800
Enumerated
Aug 25, 2025
Record last updated
Aug 25, 2025
Fax
(412) 641-4800
Medicare enrollment
Enrolled (PECOS I20251114002695); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest acute care nurse practitioner records → All 1,283 in Pennsylvania → Look up another NPI →

Also registered at 200 Lothrop St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amy AbbottCertified Registered Nurse Anesthetist1689943490
  2. Bisan Abboud, MDStudent in an Organized Health Care Education/Training Program1588359434
  3. Othman Abdul-MalakVascular Surgery Physician1003285602
  4. Mohamed Abdullah, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1164001277
  5. Raed Abdullah, MDSpecialist1962474353
  6. Michael Abesamis, M.D.Emergency Medicine Physician1467647958

Verify Keenan Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license SP033045    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. University OF Pittsburgh PhysiciansPittsburgh, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Keenan Walker among 1,283 acute care nurse practitioner records in Pennsylvania

Keenan Walker is one of 1,283 acute care nurse practitioner records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 91% of them.

  • NPI issued2025 · 91% of these records are older, 3% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2025 · median 2019 among the 841 with a school on file
  • Record last updated2025 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Pennsylvania

There are 1,283 acute care nurse practitioner records in Pennsylvania.

All 1,283 in Pennsylvania → Every provider in Pittsburgh → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Deborah Byrns, CRNPPittsburgh, PA 152131598758138
  2. Michele Celko, CRNPPittsburgh, PA 152131043492705
  3. Betsy Ellenberger, CRNPPittsburgh, PA 152131194863894
  4. Linda Hennigan, ACNPPittsburgh, PA 152131659528685
  5. Gail HilesPittsburgh, PA 152131336291392
  6. Debra Hornyak, CRNPPittsburgh, PA 152131861601502
  7. Lori Massaro, MSN, CRNPPittsburgh, PA 152131982811238
  8. Maureen McLinden, CRNPPittsburgh, PA 152131073703864

Common questions

What is Keenan Walker's NPI number?

Keenan Walker's National Provider Identifier (NPI) is 1649158023, issued on Aug 25, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Keenan Walker located?

The NPPES record lists a practice address at 200 Lothrop St, Pittsburgh, PA, 15213. Phone: (412) 641-4800. Providers update this record themselves, so call before visiting.

How can I verify Keenan Walker's license?

NPPES lists Pennsylvania license number SP033045, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.