NPPES file of Aug 9, 2026

Marlee Guiness, FNP

Family Nurse Practitioner · Allentown, PA

Marlee Guiness, FNP is a family nurse practitioner with a practice address in Allentown, Pennsylvania, and NPI 1275429193, issued on Jun 16, 2025. Check the license (Pennsylvania SP031766, 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
1275429193
Name
Marlee Guiness
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
SP031766 PA
Self-reported in NPPES; status is on the state search
Practice location
1240 S Cedar Crest Blvd Ste 401, Allentown, PA 18103
Phone
(610) 402-7880
Enumerated
Jun 16, 2025
Record last updated
Sep 8, 2025
Medicare enrollment
Enrolled (PECOS I20250924003207); 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 family nurse practitioner records → All 7,209 in Pennsylvania → Look up another NPI →

Also registered at 1240 S Cedar Crest Blvd Ste 401

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

  1. Elizabeth Aguero, PA-CMedical Physician Assistant1245016864
  2. Sohaib Alkowni, MDHematology & Oncology Physician1861079790
  3. Salman Ayaz, MBBS, MDHematology & Oncology Physician1124600721
  4. Xia Bi, M.D.Hematology & Oncology Physician1619324548
  5. Anastasia Bortz, CRNPFamily Nurse Practitioner1740751155
  6. Dillon Cason, MDHematology & Oncology Physician1477046282

Verify Marlee Guiness 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 SP031766    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. Lehigh Valley Physician GroupAllentown, PA

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

Marlee Guiness among 7,209 family nurse practitioner records in Pennsylvania

Marlee Guiness, FNP 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 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 3% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2023 · median 2018 among the 4,232 with a school on file
  • Record last updated2025 · 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).

207 family nurse practitioner records list a practice address in Allentown

They are 207 of the 5,904 NPPES records with a practice address in Allentown, and 7,209 family nurse practitioner records in Pennsylvania.

All 7,209 in Pennsylvania → Every provider in Allentown → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Cheryl Bitting, CRNPAllentown, PA 181031891888301
  2. Deborah Boorse, CRNPAllentown, PA 181031447340203
  3. Jaime Broesicke, CRNPAllentown, PA 181031093745929
  4. Joan Finno, CRNPAllentown, PA 181031568619260
  5. Nancy Gardner, CRNPAllentown, PA 181031952301335
  6. Margaret Hayn, MSN, CRNPAllentown, PA 181031578651477
  7. Afifi Khoury, CRNPAllentown, PA 181031700977931
  8. Brooke Kunsman, CRNPAllentown, PA 181031043366875

Common questions

What is Marlee Guiness, FNP's NPI number?

Marlee Guiness, FNP's National Provider Identifier (NPI) is 1275429193, issued on Jun 16, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Marlee Guiness, FNP located?

The NPPES record lists a practice address at 1240 S Cedar Crest Blvd Ste 401, Allentown, PA, 18103. Phone: (610) 402-7880. Providers update this record themselves, so call before visiting.

How can I verify Marlee Guiness, FNP's license?

NPPES lists Pennsylvania license number SP031766, 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.