NPPES file of Aug 9, 2026

Karen Matragrano, NP-C

Adult Health Nurse Practitioner · Port Jefferson Station, NY

Karen Matragrano, NP-C is an adult health nurse practitioner with a practice address in Port Jefferson Station, New York, and NPI 1629356571, issued on Jul 26, 2011. Check the license (New York 305818, 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
1629356571
Name
Karen Matragrano
Credential
NP-C
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
305818 NY
Self-reported in NPPES; status is on the state search
Practice location
931 Hallock Ave, Port Jefferson Station, NY 11776
Phone
(631) 331-7200
Enumerated
Jul 26, 2011
Record last updated
Jun 17, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140808000473); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2011
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 adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →

Also registered at 931 Hallock Ave

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

  1. Matias Dcosta, MDInternal Medicine Physician1053374827
  2. Nicole Delvecchio, NPAdult Health Nurse Practitioner1356860464
  3. Lenore Lamanna, ANP-BCAdult Health Nurse Practitioner1992043608
  4. Mary Anne Miranda, NP-CAdult Health Nurse Practitioner1942492897
  5. Uma Narayana, NURSE PRACTITIONERAdult Health Nurse Practitioner1023537255
  6. Joey RossiAdult Health Nurse Practitioner1912743949

Verify Karen Matragrano 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 305818    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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62% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

489 Medicare Part D claims for 245 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Karen Matragrano489
  2. Specialty average1,280

Most prescribed

  1. Pantoprazole Sodium108 claims
  2. Famotidine104 claims
  3. Omeprazole66 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf40 claims
  5. Mesalamine23 claims
  6. Sucralfate14 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: $569.22

19 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Matragrano$569.22
  2. Specialty average$946.40

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. Gastroenterology Associates OF Suffolk PCPort Jefferson Station, NY

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

Karen Matragrano among 6,028 adult health nurse practitioner records in New York

Karen Matragrano, NP-C is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 35% of them.

  • NPI issued2011 · 35% of these records are older, 61% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2011 · median 2016 among the 2,678 with a school on file
  • Record last updated2014 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 adult health nurse practitioner records list a practice address in Port Jefferson Station

They are 27 of the 951 NPPES records with a practice address in Port Jefferson Station, and 6,028 adult health nurse practitioner records in New York.

All 6,028 in New York → Every provider in Port Jefferson Station → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Rose Bukovsky, ANPPort Jefferson Station, NY 117761962667469
  2. Nicole Delvecchio, NPPort Jefferson Station, NY 117761356860464
  3. Kristen Durkin, RN, ANPPort Jefferson Station, NY 117761194107961
  4. Luis Ehrman, ANP-CPort Jefferson Station, NY 117761568617645
  5. Ruby Ezra, A-GNPPort Jefferson Station, NY 117761699088898
  6. Lenore Lamanna, ANP-BCPort Jefferson Station, NY 117761992043608
  7. Deborah Lamendola, MS, APRN, BC, CWCNPort Jefferson Station, NY 117761568784775
  8. Debra Mann, ANPPort Jefferson Station, NY 117761467729657

Common questions

What is Karen Matragrano, NP-C's NPI number?

Karen Matragrano, NP-C's National Provider Identifier (NPI) is 1629356571, issued on Jul 26, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Karen Matragrano, NP-C located?

The NPPES record lists a practice address at 931 Hallock Ave, Port Jefferson Station, NY, 11776. Phone: (631) 331-7200. Providers update this record themselves, so call before visiting.

How can I verify Karen Matragrano, NP-C's license?

NPPES lists New York license number 305818, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Matragrano, NP-C prescribe under Medicare Part D?

In 2024, Karen Matragrano, NP-C had 489 Medicare Part D claims for 245 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.

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.