Registry data as of Aug 27, 2026

Stephanie Mason, RPA-C

Physician Assistant · East Setauket, NY

Stephanie Mason, RPA-C is a physician assistant with a practice address in East Setauket, New York, and NPI 1700126018, issued on Feb 22, 2013. Check the license 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
1700126018
Name
Stephanie Mason
Credential
RPA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
24 Research Way Ste 500, East Setauket, NY 11733
Phone
(631) 444-6270
Enumerated
Feb 22, 2013
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 24 Research Way Ste 500

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

  1. Meagan Hartough, FNPFamily Nurse Practitioner1982306973
  2. Kathleen Kelly Lyon, NPAdult Health Nurse Practitioner1174783658
  3. Constance Madu, NPFamily Nurse Practitioner1982932158
  4. Olga Makrak-Sturniolo, ANP-CAdult Health Nurse Practitioner1437603289
  5. Richard Ortega, NPFamily Nurse Practitioner1790371607
  6. Antonia Pinto, NPAdult Health Nurse Practitioner1528887544

Verify Stephanie Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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.

41% more Medicare Part D claims than the average physician assistant in 2024

1,176 Medicare Part D claims for 384 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Stephanie Mason1,176
  2. Specialty average832

Most prescribed

  1. Tamsulosin Hcl373 claims
  2. Finasteride245 claims
  3. Alfuzosin Hcl Er86 claims
  4. Sulfamethoxazole-Trimethoprim86 claims
  5. Myrbetriq59 claims
  6. Silodosin44 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: 98.5 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 score82.9
  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).

Industry payments in 2024: $298.48

13 payments, mostly food and beverage; the largest payer was Blue Earth Diagnostics Limited. The 61,144 providers of this specialty with any payment received $853.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephanie Mason$298.48
  2. Specialty average$853.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Stony Brook Urology University Faculty Practice CorporationEast Setauket, 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.

51 physician assistant records list a East Setauket practice address

They are 51 of the 972 NPPES records with a East Setauket practice address, and 15,097 physician assistant records in New York.

Other physician assistant records in New York

  1. Brynn Aakjar, P.A.Yonkers, NY1447592456
  2. Andrea Aaron, PABronx, NY1427103555
  3. Gabriella AaronCentral Islip, NY1790605376
  4. Danielle AaronsSmithtown, NY1881207520
  5. John AbadeerBrooklyn, NY1801434949
  6. Zenebou Abalo-Toga, PANew York, NY1124556154
  7. Kevin Alfred Abalos, PA-CCambria Heights, NY1700286424
  8. Clarisse AbanillaNew York, NY1598445579
  9. Marie Abate, PA-CValhalla, NY1285225524
  10. Jonathan Abayev, RPA-CFlushing, NY1952580102

Common questions

What is Stephanie Mason, RPA-C's NPI number?

Stephanie Mason, RPA-C's National Provider Identifier (NPI) is 1700126018, issued on Feb 22, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Mason, RPA-C located?

The NPPES record lists a practice address at 24 Research Way Ste 500, East Setauket, NY, 11733. Phone: (631) 444-6270. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Mason, RPA-C's license?

Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Stephanie Mason, RPA-C prescribe under Medicare Part D?

In 2024, Stephanie Mason, RPA-C had 1,176 Medicare Part D claims for 384 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

What is Stephanie Mason, RPA-C's Medicare quality score?

The 2023 MIPS final score is 98.5 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.