NPPES file of Aug 9, 2026

Teresa Mary O'Connor, FNP

Family Nurse Practitioner · Marion, NY

Teresa Mary O'Connor, FNP is a family nurse practitioner with a practice address in Marion, New York, and NPI 1447775424, issued on Aug 10, 2017. Check the license (New York 341749, 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
1447775424
Name
Teresa Mary O'Connor
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
341749 NY
Self-reported in NPPES; status is on the state search
Practice location
3669 Countryside LN, Marion, NY 14505
Phone
(315) 926-7733
Enumerated
Aug 10, 2017
Record last updated
Apr 17, 2026
Medicare enrollment
Enrolled (PECOS I20180109002396); 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 14,805 in New York → Look up another NPI →

Also registered at 3669 Countryside LN

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

  1. David Hannan, MDFamily Medicine Physician1184640138
  2. Lucas Keith, MDInternal Medicine Physician1639490550
  3. Theresa Martin, MDFamily Medicine Physician1497133342
  4. Laura Moore, RPA-CMedical Physician Assistant1467466268
  5. Melissa Pullin, FNPFamily Nurse Practitioner1710086442
  6. Eliza Weis, FNP-CRegistered Nurse1972923902

Verify Teresa Mary O'Connor 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 341749    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

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71% fewer Medicare Part D claims than the average family nurse practitioner in 2024

381 Medicare Part D claims for 63 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Teresa O'Connor381
  2. Specialty average1,305

Most prescribed

  1. Diazepam42 claims
  2. Hydroxyzine Hcl34 claims
  3. Clonidine Hcl32 claims
  4. Ondansetron Hcl29 claims
  5. Buprenorphine-Naloxone25 claims
  6. Gabapentin21 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: $47.43

2 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. 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. Teresa O'Connor$47.43
  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. Strong Medical GroupMarion, NY

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

Teresa Mary O'Connor among 14,805 family nurse practitioner records in New York

Teresa Mary O'Connor, FNP 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 2017, is newer than 42% of them.

  • NPI issued2017 · 42% of these records are older, 53% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2016 · median 2019 among the 7,239 with a school on file
  • Record last updated2026 · 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).

2 family nurse practitioner records list a practice address in Marion

They are 2 of the 49 NPPES records with a practice address in Marion, and 14,805 family nurse practitioner records in New York.

All 14,805 in New York → Every provider in Marion → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Melissa Pullin, FNPMarion, NY 145051710086442
  2. Karen Parker, DNP, FNP-C, RNMount Morris, NY 145101124468749
  3. Chanae Smith, NPMount Morris, NY 145101033045752
  4. Darlene Taylor, NPMount Morris, NY 145101497902803
  5. Molly Blume, FNP-BCNewark, NY 145131518513399
  6. Catherine Bogan, RNNewark, NY 145131265903686
  7. Wade Brandt, CNPNewark, NY 145131629070297
  8. Lynn Brazee, FNPNewark, NY 145131720004328

Common questions

What is Teresa Mary O'Connor, FNP's NPI number?

Teresa Mary O'Connor, FNP's National Provider Identifier (NPI) is 1447775424, issued on Aug 10, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Teresa Mary O'Connor, FNP located?

The NPPES record lists a practice address at 3669 Countryside LN, Marion, NY, 14505. Phone: (315) 926-7733. Providers update this record themselves, so call before visiting.

How can I verify Teresa Mary O'Connor, FNP's license?

NPPES lists New York license number 341749, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Teresa Mary O'Connor, FNP prescribe under Medicare Part D?

In 2024, Teresa Mary O'Connor, FNP had 381 Medicare Part D claims for 63 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.

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.