NPPES file of Aug 9, 2026

Nancy R. Ko, RPAC

Physician Assistant · Bay Shore, NY

Nancy R. Ko, RPAC is a physician assistant with a practice address in Bay Shore, New York, and NPI 1710196662, issued on May 21, 2007. Check the license (New York 006497, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710196662
Name
Nancy R. Ko
Credential
RPAC
Primary taxonomy
Physician Assistant 363A00000X
License number
006497 NY
Self-reported in NPPES; status is on the state search
Practice location
1855 Union Blvd, Bay Shore, NY 11706
Phone
(631) 665-6363
Enumerated
May 21, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
01895752 NY
Medicare enrollment
Enrolled (PECOS I20040513001386); 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 1855 Union Blvd

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

  1. Eric Carter, LMSWSocial Worker1629411285
  2. Edward Delano, M.D.Specialist1962496091
  3. Lisa GostkowskiSpecialist1437250420
  4. Daniel Gozdziewski, DCChiropractor1033126214
  5. Paul Greenblatt, M.D.Specialist1336136787
  6. Jonathan Grossman, LCSWClinical Social Worker1578528667

Verify Nancy R. Ko 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 006497
    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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66% fewer Medicare Part D claims than the average physician assistant in 2024

280 Medicare Part D claims for 65 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Nancy Ko280
  2. Specialty average830

Most prescribed

  1. Montelukast Sodium27 claims
  2. Albuterol Sulfate Hfa26 claims
  3. Levocetirizine Dihydrochloride26 claims
  4. Azelastine Hcl25 claims
  5. Fluticasone Propionate22 claims
  6. Famotidine21 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): 84.1 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.

  1. Qualityout of 100 · 30% of the final score78.1
  2. Costout of 100 · 30%69.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $142.34

2 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, 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. Nancy Ko$142.34
  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. Optum Medical Care PCMount Kisco, NY

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

Nancy R. Ko among 15,555 physician assistant records in New York

Nancy R. Ko, RPAC 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 2007, is newer than 13% of them.

  • NPI issued2007 · 13% of these records are older, 80% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1998 · median 2018 among the 8,158 with a school on file
  • Record last updated2007 · 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).

142 physician assistant records list a practice address in Bay Shore

They are 142 of the 1,931 NPPES records with a practice address in Bay Shore, and 15,555 physician assistant records in New York.

The 8 physician assistant records with the nearest ZIP codes

  1. Gayle Bergner-Carey, PABay Shore, NY 117061982657821
  2. Amy Contino-Garrett, PABay Shore, NY 117061336167584
  3. Cynthia Coons, PABay Shore, NY 117061518985712
  4. Deborah Crossman, PABay Shore, NY 117061588682736
  5. Michele Crowell, PABay Shore, NY 117061366476202
  6. Donna Digregorio, PABay Shore, NY 117061093762064
  7. Karla Gesslein, PABay Shore, NY 117061558395400
  8. John Hallowell, PA-C, MBABay Shore, NY 117061629066303

Common questions

What is Nancy R. Ko, RPAC's NPI number?

Nancy R. Ko, RPAC's National Provider Identifier (NPI) is 1710196662, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nancy R. Ko, RPAC located?

The NPPES record lists a practice address at 1855 Union Blvd, Bay Shore, NY, 11706. Phone: (631) 665-6363. Providers update this record themselves, so call before visiting.

How can I verify Nancy R. Ko, RPAC's license?

NPPES lists New York license number 006497, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Nancy R. Ko, RPAC prescribe under Medicare Part D?

In 2024, Nancy R. Ko, RPAC had 280 Medicare Part D claims for 65 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Nancy R. Ko, RPAC's MIPS final score?

The 2023 MIPS final score is 84.1 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.