Karyn Colleen Gaffney, PA-C
Physician Assistant · Brooklyn, NY
Karyn Colleen Gaffney, PA-C is a physician assistant with a practice address in Brooklyn, New York, and NPI 1619464740, issued on Apr 14, 2018. Check the license (New York 021931, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karyn Colleen Gaffney
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 021931 NY
Self-reported in NPPES; status is on the state search - Practice location
- 506 6TH Ave, Brooklyn, NY 11215
- Phone
- (718) 246-8610
- Enumerated
- Apr 14, 2018
- Record last updated
- Apr 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200325002153); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 506 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Banyar Aung, M.D.Internal Medicine Physician1750743597
- Sarah Kramer, MDStudent in an Organized Health Care Education/Training Program1659076289
- Yetunde Ojo, NPFamily Nurse Practitioner1881532646
- Cindy Reyes, FNPFamily Nurse Practitioner1871923508
- Yana Rodriguez, PAMedical Physician Assistant1174800056
- Matthew Siegel, M.D.Student in an Organized Health Care Education/Training Program1750745261
Verify Karyn Colleen Gaffney 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 021931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average physician assistant in 2024
229 Medicare Part D claims for 120 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 65 claims were for opioids.
Most prescribed
- Meloxicam62 claims
- Oxycodone-Acetaminophen44 claims
- Ibuprofen31 claims
- Methylprednisolone23 claims
- Tramadol Hcl12 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $302.11
4 payments; by number, the most common kind was food and beverage; the largest payer was Gotham Surgical Solutions & Devices, 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.
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
- White Plains Physician Services PCWhite Plains, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1,279 physician assistant records list a practice address in Brooklyn
They are 1,279 of the 64,057 NPPES records with a practice address in Brooklyn, and 15,555 physician assistant records in New York.
All 1,279 in Brooklyn → All 15,555 in New York → Every provider in Brooklyn →
Other physician assistant records in New York
- Brynn Aakjar, P.A.Yonkers, NY1447592456
- Andrea Aaron, PABronx, NY1427103555
- Gabriella AaronCentral Islip, NY1790605376
- Danielle AaronsSmithtown, NY1881207520
- John AbadeerBrooklyn, NY1801434949
- Zenebou Abalo-Toga, PANew York, NY1124556154
- Kevin Alfred Abalos, PA-CCambria Heights, NY1700286424
- Clarisse AbanillaNew York, NY1598445579
- Vincent Abanilla, PA-CBrooklyn, NY1366201808
- Marie Abate, PA-CValhalla, NY1285225524
Common questions
What is Karyn Colleen Gaffney, PA-C's NPI number?
Karyn Colleen Gaffney, PA-C's National Provider Identifier (NPI) is 1619464740, issued on Apr 14, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Karyn Colleen Gaffney, PA-C located?
The NPPES record lists a practice address at 506 6TH Ave, Brooklyn, NY, 11215. Phone: (718) 246-8610. Providers update this record themselves, so call before visiting.
How can I verify Karyn Colleen Gaffney, PA-C's license?
NPPES lists New York license number 021931, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Karyn Colleen Gaffney, PA-C prescribe under Medicare Part D?
In 2024, Karyn Colleen Gaffney, PA-C had 229 Medicare Part D claims for 120 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Karyn Colleen Gaffney, PA-C'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.