NPPES file of Aug 9, 2026

Kathryn Kirk, CRNP

Nurse Practitioner · Philadelphia, PA

Kathryn Kirk, CRNP is a nurse practitioner with a practice address in Philadelphia, Pennsylvania, and NPI 1891269536, issued on Jan 16, 2019. Check the license (Pennsylvania SP019867, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891269536
Name
Kathryn Kirk
Credential
CRNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
SP019867 PA
Self-reported in NPPES; status is on the state search
Practice location
925 Chestnut Street, Philadelphia, PA 19107
Phone
(215) 955-5050
Enumerated
Jan 16, 2019
Record last updated
Jan 16, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200302000489); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 925 Chestnut Street

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

  1. Tiffany Avery, M.D.Medical Oncology Physician1710193982
  2. Katelyn Clancy, CRNPGerontology Nurse Practitioner1790183945
  3. Ira Cohen, MDCardiovascular Disease Physician1972508539
  4. Alexandra Costlow, AUDAudiologist-Hearing Aid Fitter1043640592
  5. Daniel Eun, M.D.Urology Physician1639375173
  6. Frederick Fellin, MDHematology & Oncology Physician1679684476

Verify Kathryn Kirk 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 SP019867
    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

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21% more Medicare Part D claims than the average nurse practitioner in 2024

1,338 Medicare Part D claims for 362 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Kathryn Kirk1,338
  2. Specialty average1,109

Most prescribed

  1. Eliquis296 claims
  2. Metoprolol Succinate137 claims
  3. Sotalol126 claims
  4. Flecainide Acetate109 claims
  5. Xarelto103 claims
  6. Amiodarone Hcl101 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $176.07

9 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kathryn Kirk$176.07
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Jefferson University PhysiciansPhiladelphia, PA

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

Kathryn Kirk among 3,916 nurse practitioner records in Pennsylvania

Kathryn Kirk, CRNP is one of 3,916 nurse practitioner records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 61% of them.

  • NPI issued2019 · 61% of these records are older, 34% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2018 · median 2018 among the 2,360 with a school on file
  • Record last updated2019 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Pennsylvania

There are 3,916 nurse practitioner records in Pennsylvania.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Monica Choi, CRNPPhiladelphia, PA 191071083635452
  2. Lisa Coco, N.P.Philadelphia, PA 191071841203726
  3. Rosetta Dennis, APNPhiladelphia, PA 191071508941600
  4. Ruth Eanes, APNPhiladelphia, PA 191071306921408
  5. Michele Epstein, APNPhiladelphia, PA 191071750466843
  6. Leslie Fritz, CRNPPhiladelphia, PA 191071568474617
  7. Michelle Kutalek, CRNPPhiladelphia, PA 191071184651242
  8. Amy Locascio, CRNPPhiladelphia, PA 191071104850031

Common questions

What is Kathryn Kirk, CRNP's NPI number?

Kathryn Kirk, CRNP's National Provider Identifier (NPI) is 1891269536, issued on Jan 16, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Kirk, CRNP located?

The NPPES record lists a practice address at 925 Chestnut Street, Philadelphia, PA, 19107. Phone: (215) 955-5050. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Kirk, CRNP's license?

NPPES lists Pennsylvania license number SP019867, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Kathryn Kirk, CRNP prescribe under Medicare Part D?

In 2024, Kathryn Kirk, CRNP had 1,338 Medicare Part D claims for 362 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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.

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.