Katherine G. O'Connor, RN, ANP
Adult Health Nurse Practitioner · New York, NY
Katherine G. O'Connor, RN, ANP is an adult health nurse practitioner with a practice address in New York, New York, and NPI 1134241763, issued on Apr 4, 2007. Check the license (New York F301858, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine G. O'Connor
- Credential
- RN, ANP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- F301858 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1275 York Ave, New York, NY 10021
- Phone
- (212) 639-7900
- Enumerated
- Apr 4, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170315001431); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →
Also registered at 1275 York Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine G. O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license F301858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
101 Medicare Part D claims for 41 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole21 claims
- Gabapentin17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 93.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $247.83
2 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., 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.
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
- Msk NassauUniondale, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine G. O'Connor among 6,028 adult health nurse practitioner records in New York
Katherine G. O'Connor, RN, ANP 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated1995 · median 2016 among the 2,678 with a school on file
- Record last updated2007 · 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).
1,548 adult health nurse practitioner records list a practice address in New York
They are 1,548 of the 98,468 NPPES records with a practice address in New York, and 6,028 adult health nurse practitioner records in New York.
All 6,028 in New York → Every provider in New York → Adult Health Nurse Practitioner nationwide →
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Common questions
What is Katherine G. O'Connor, RN, ANP's NPI number?
Katherine G. O'Connor, RN, ANP's National Provider Identifier (NPI) is 1134241763, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine G. O'Connor, RN, ANP located?
The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10021. Phone: (212) 639-7900. Providers update this record themselves, so call before visiting.
How can I verify Katherine G. O'Connor, RN, ANP's license?
NPPES lists New York license number F301858, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine G. O'Connor, RN, ANP prescribe under Medicare Part D?
In 2024, Katherine G. O'Connor, RN, ANP had 101 Medicare Part D claims for 41 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Katherine G. O'Connor, RN, ANP's MIPS final score?
The 2023 MIPS final score is 93.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.