NPPES file of Aug 9, 2026

Stephanie Ann Masluk, CRNP

Family Nurse Practitioner · Philadelphia, PA

Stephanie Ann Masluk, CRNP is a family nurse practitioner with a practice address in Philadelphia, Pennsylvania, and NPI 1457997991, issued on Nov 19, 2019. Check the license (Pennsylvania SP020465, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457997991
Name
Stephanie Ann Masluk
Credential
CRNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
SP020465 PA
26NJ01028900 NJ
Self-reported in NPPES; status is on the state search
Practice location
800 Walnut Street, Philadelphia, PA 19107
Phone
(215) 829-8461
Enumerated
Nov 19, 2019
Record last updated
Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(215) 829-5350
Medicare enrollment
Enrolled (PECOS I20191220000025); 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.
Download card Updates feed

Also registered at 800 Walnut Street

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

  1. Jawad Ahsan, DOAdult Medicine Physician1043707839
  2. Roxanne Cristancho, CRNPFamily Nurse Practitioner1528450400
  3. Anna Daly, PA-CPhysician Assistant1336739465
  4. Yasmin Khawja, M.D.Internal Medicine Physician1407116452
  5. Kevin Kirk, CRNPAdult Health Nurse Practitioner1609113943
  6. Emily Ko, MDGynecologic Oncology Physician1306911235

Verify Stephanie Ann Masluk 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 SP020465
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

99% fewer Medicare Part D claims than the average family nurse practitioner in 2024

18 Medicare Part D claims for 17 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Stephanie Masluk18
  2. Specialty average1,305

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

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

Stephanie Ann Masluk among 7,209 family nurse practitioner records in Pennsylvania

Stephanie Ann Masluk, CRNP is one of 7,209 family nurse practitioner records with a practice address in Pennsylvania. 76% 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 54% of them.

  • NPI issued2019 · 54% of these records are older, 40% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2018 · median 2018 among the 4,232 with a school on file
  • Record last updated2021 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

896 family nurse practitioner records list a practice address in Philadelphia

They are 896 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,209 family nurse practitioner records in Pennsylvania.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Janis Bonat, CRNPPhiladelphia, PA 191071154434702
  2. Linda Davis-Moon, CRNPPhiladelphia, PA 191071326245598
  3. Troy Derose, CRNP, RNFAPhiladelphia, PA 191071730211145
  4. Kay Gentieu, CRNPPhiladelphia, PA 191071326245507
  5. Morton Guthrie, CRNPPhiladelphia, PA 191071669413209
  6. Megan McCullough, NP-CPhiladelphia, PA 191071851410138
  7. Thomas McNulty, CRNPPhiladelphia, PA 191071730103508
  8. Mary Pollice, CRNPPhiladelphia, PA 191071689669194

Common questions

What is Stephanie Ann Masluk, CRNP's NPI number?

Stephanie Ann Masluk, CRNP's National Provider Identifier (NPI) is 1457997991, issued on Nov 19, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Ann Masluk, CRNP located?

The NPPES record lists a practice address at 800 Walnut Street, Philadelphia, PA, 19107. Phone: (215) 829-8461. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Ann Masluk, CRNP's license?

NPPES lists Pennsylvania license number SP020465, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Stephanie Ann Masluk, CRNP prescribe under Medicare Part D?

In 2024, Stephanie Ann Masluk, CRNP had 18 Medicare Part D claims for 17 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Stephanie Ann Masluk, CRNP's MIPS final score?

The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.