Registry data as of Aug 27, 2026

Karyn Mesiti, RPA-C

Medical Physician Assistant · Spencerport, NY

Karyn Mesiti, RPA-C is a medical physician assistant with a practice address in Spencerport, New York, and NPI 1104868777, issued on Jun 11, 2006. Check the license (New York 007534, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1104868777
Name
Karyn Mesiti
Credential
RPA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
007534 NY
Self-reported in NPPES; status is on the state search
Practice location
4 Land RE Way, Spencerport, NY 14559
Phone
(585) 368-6620
Enumerated
Jun 11, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4 Land RE Way

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

  1. Wendy Cody, PAMedical Physician Assistant1841229432
  2. Melanie ConollyFamily Medicine Physician1982631446
  3. Marina Ma, MDFamily Medicine Physician1326259532
  4. Patrick McGrath, MDFamily Medicine Physician1932138526

Verify Karyn Mesiti 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 007534
    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.

2.4 times the Medicare Part D claims of the average medical physician assistant in 2024

2,772 Medicare Part D claims for 853 beneficiaries, against an average of 1,139 among the 25,090 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 50 claims were for opioids.

  1. Karyn Mesiti2,772
  2. Specialty average1,139

Most prescribed

  1. Atorvastatin Calcium156 claims
  2. Levothyroxine Sodium156 claims
  3. Prednisone128 claims
  4. Hydrochlorothiazide97 claims
  5. Amlodipine Besylate94 claims
  6. Gabapentin79 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 Medicare quality score for 2023: 95.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score70.6
  2. Costout of 100 · 30%
  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; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. The Unity Hospital OF RochesterRochester, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 medical physician assistant records list a Spencerport practice address

They are 2 of the 265 NPPES records with a Spencerport practice address, and 3,818 medical physician assistant records in New York.

Other medical physician assistant records in New York

  1. Yesid Abad, PA CNew York, NY1205951399
  2. Vincent Abanilla, PA-CBrooklyn, NY1366201808
  3. Stella Abayeva, P.A.Forest Hills, NY1124326467
  4. Amina Abdela, PA-CLatham, NY1891452496
  5. Hanan Abdelrahman, PA-CBrooklyn, NY1316348204
  6. Marwa AbdoAstoria, NY1467001081
  7. Avinell Abdool, PA-CBrooklyn, NY1558848572
  8. Bashir Abdul-Wadud, PA-CAlbany, NY1871510883
  9. Devon AbeleMassapequa Park, NY1255817672
  10. Emily Abercrombie, P.A. - CNew York, NY1043601677

Common questions

What is Karyn Mesiti, RPA-C's NPI number?

Karyn Mesiti, RPA-C's National Provider Identifier (NPI) is 1104868777, issued on Jun 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karyn Mesiti, RPA-C located?

The NPPES record lists a practice address at 4 Land RE Way, Spencerport, NY, 14559. Phone: (585) 368-6620. Providers update this record themselves, so call before visiting.

How can I verify Karyn Mesiti, RPA-C's license?

NPPES lists New York license number 007534, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Karyn Mesiti, RPA-C prescribe under Medicare Part D?

In 2024, Karyn Mesiti, RPA-C had 2,772 Medicare Part D claims for 853 beneficiaries; the average among medical physician assistant prescribers was 1,139. Part D covers Medicare prescriptions only.

What is Karyn Mesiti, RPA-C's Medicare quality score?

The 2023 MIPS final score is 95.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.