NPPES file of Aug 9, 2026

Katelin Tambasco

Family Nurse Practitioner · Smithtown, NY

Katelin Tambasco is a family nurse practitioner with a practice address in Smithtown, New York, and NPI 1134752355, issued on Feb 17, 2020. Check the license (New York 345540, 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
1134752355
Name
Katelin Tambasco
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
345540 NY
Self-reported in NPPES; status is on the state search
Practice location
260 E Middle Country RD, Smithtown, NY 11787
Phone
(631) 863-3223
Enumerated
Feb 17, 2020
Record last updated
Feb 17, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210210000200); 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 260 E Middle Country RD

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

  1. Samuel Baharestani, M.D.Ophthalmology Physician1730355116
  2. Andrew Bainnson, M.D.Ophthalmology Physician1669470829
  3. Kelly Bhatt, ANP-CAdult Health Nurse Practitioner1336712603
  4. Tara Cardillo, CPNPPediatric Nurse Practitioner1740765973
  5. Amy CavalloAudiologist1013331693
  6. Shayna Coleman, NPFamily Nurse Practitioner1124609185

Verify Katelin Tambasco 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 345540
    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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82% fewer Medicare Part D claims than the average family nurse practitioner in 2024

237 Medicare Part D claims for 118 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Katelin Tambasco237
  2. Specialty average1,305

Most prescribed

  1. Triamcinolone Acetonide32 claims
  2. Mupirocin29 claims
  3. Ketoconazole22 claims
  4. Clobetasol Propionate21 claims
  5. Hydrocortisone17 claims
  6. Nystatin15 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: $1,686.45

93 payments; by number, the most common kind was food and beverage; the largest payer was Leo Pharma Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katelin Tambasco$1,686.45
  2. Specialty average$650.95

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. Schweiger Dermatology PLLCSmithtown, NY

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

Katelin Tambasco among 14,805 family nurse practitioner records in New York

Katelin Tambasco is one of 14,805 family nurse practitioner records with a practice address in New York. 68% 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 58% of them.

  • NPI issued2020 · 58% of these records are older, 37% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2019 · median 2019 among the 7,239 with a school on file
  • Record last updated2020 · 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

43 family nurse practitioner records list a practice address in Smithtown

They are 43 of the 1,907 NPPES records with a practice address in Smithtown, and 14,805 family nurse practitioner records in New York.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Leona Campbell Corbet, FNPSmithtown, NY 117871508196312
  2. Darielle D'Amico, FNPSmithtown, NY 117871497052690
  3. Kristin FeissSmithtown, NY 117871528380995
  4. Loretta George, F.N.PSmithtown, NY 117871669781068
  5. Valerie Hassell, FNPSmithtown, NY 117871396173258
  6. April Honkanen, NPSmithtown, NY 117871346593225
  7. Natalia Johnson, FNPSmithtown, NY 117871821397605
  8. Keisha Mahoney, FNPSmithtown, NY 117871255731501

Common questions

What is Katelin Tambasco's NPI number?

Katelin Tambasco's National Provider Identifier (NPI) is 1134752355, issued on Feb 17, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Katelin Tambasco located?

The NPPES record lists a practice address at 260 E Middle Country RD, Smithtown, NY, 11787. Phone: (631) 863-3223. Providers update this record themselves, so call before visiting.

How can I verify Katelin Tambasco's license?

NPPES lists New York license number 345540, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Katelin Tambasco prescribe under Medicare Part D?

In 2024, Katelin Tambasco had 237 Medicare Part D claims for 118 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.