NPPES file of Aug 9, 2026

Katie Lynn Madlen, PA-C

Physician Assistant · Massapequa, NY

Katie Lynn Madlen, PA-C is a physician assistant with a practice address in Massapequa, New York, and NPI 1457977969, issued on Jun 20, 2020. Check the license (New York 025075, as entered in NPPES) with the New York 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
1457977969
Name
Katie Lynn Madlen
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
025075 NY
Self-reported in NPPES; status is on the state search
Practice location
5550 Merrick RD, Massapequa, NY 11758
Phone
(631) 673-3233
Enumerated
Jun 20, 2020
Record last updated
Jul 7, 2026
Medicare enrollment
Enrolled (PECOS I20210128002611); 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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Also registered at 5550 Merrick RD

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

  1. Kelly AntimisiarisPsychiatric/Mental Health Nurse Practitioner1265213797
  2. Gabrielle BellamenteSocial Worker1275129355
  3. Jessica Denicola, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1932920436
  4. Sabrina Islam, LMSWSocial Worker1538056171
  5. Eric Khairi, PAPhysician Assistant1942072301
  6. Jaclyn MalonePsychiatric/Mental Health Nurse Practitioner1720959919

Verify Katie Lynn Madlen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 025075
    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 New York 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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14% fewer Medicare Part D claims than the average physician assistant in 2024

712 Medicare Part D claims for 57 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Katie Madlen712
  2. Specialty average830

Most prescribed

  1. Alprazolam58 claims
  2. Quetiapine Fumarate51 claims
  3. Dextroamphetamine-Amphetamine47 claims
  4. Buspirone Hcl39 claims
  5. Sertraline Hcl37 claims
  6. Bupropion Xl35 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: $1,857.67

84 payments; by number, the most common kind was food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katie Madlen$1,857.67
  2. Specialty average$841.65

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. Priyadarshan Bajpayi MD PCMassapequa, NY

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

Katie Lynn Madlen among 15,555 physician assistant records in New York

Katie Lynn Madlen, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 61% of them.

  • NPI issued2020 · 61% of these records are older, 34% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2020 · median 2018 among the 8,158 with a school on file
  • Record last updated2026 · 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 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 physician assistant records list a practice address in Massapequa

They are 34 of the 1,195 NPPES records with a practice address in Massapequa, and 15,555 physician assistant records in New York.

The 8 physician assistant records with the nearest ZIP codes

  1. Stacy Entin, PHYSICIAN ASST.Massapequa, NY 117581851459820
  2. Suzanne Fanelli, RPA-CMassapequa, NY 117581588712699
  3. Debra Hahn, PAMassapequa, NY 117581730160664
  4. Michael Hoffman, RPAMassapequa, NY 117581467790394
  5. Irina Kholodny, R-PACMassapequa, NY 117581255519617
  6. Marina Klindo, PHYSICIAN ASSISTANTMassapequa, NY 117581841335577
  7. Christopher Larosa, PHYSICIANS ASSISTANTMassapequa, NY 117581992796288
  8. Marie Lobuglio, RPACMassapequa, NY 117581518184290

Common questions

What is Katie Lynn Madlen, PA-C's NPI number?

Katie Lynn Madlen, PA-C's National Provider Identifier (NPI) is 1457977969, issued on Jun 20, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Katie Lynn Madlen, PA-C located?

The NPPES record lists a practice address at 5550 Merrick RD, Massapequa, NY, 11758. Phone: (631) 673-3233. Providers update this record themselves, so call before visiting.

How can I verify Katie Lynn Madlen, PA-C's license?

NPPES lists New York license number 025075, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Katie Lynn Madlen, PA-C prescribe under Medicare Part D?

In 2024, Katie Lynn Madlen, PA-C had 712 Medicare Part D claims for 57 beneficiaries; the average among physician assistant prescribers was 830. 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.