NPPES file of Aug 9, 2026

Stephen Macioch

Physician Assistant · New York, NY

Stephen Macioch is a physician assistant with a practice address in New York, New York, and NPI 1679977136, issued on Oct 13, 2014. Check the license (New York 018150, 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
1679977136
Name
Stephen Macioch
Primary taxonomy
Physician Assistant 363A00000X
License number
018150 NY
Self-reported in NPPES; status is on the state search
Practice location
535 E 70TH St, New York, NY 10021
Phone
(212) 774-2127
Enumerated
Oct 13, 2014
Record last updated
Jul 18, 2022
Medicare enrollment
Enrolled (PECOS I20170809003500); 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 535 E 70TH St

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

  1. Dana Aaron, PT, DPT, OCSOrthopedic Physical Therapist1609423045
  2. Matthew Abola, MDOrthopaedic Hand Surgery Physician1942864889
  3. Caroline Accardi, FNP-BCFamily Nurse Practitioner1346000163
  4. Emmanuel Adamptey, PASurgical Physician Assistant1871209031
  5. Alexa Adams, M.D.Pediatric Rheumatology Physician1639246747
  6. Michael AdashevSurgical Physician Assistant1609312156

Verify Stephen Macioch 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 018150
    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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92% fewer Medicare Part D claims than the average physician assistant in 2024

68 Medicare Part D claims for 31 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Stephen Macioch68
  2. Specialty average830

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): 79 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 score69.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $184.69

1 payment: food and beverage; the largest payer was Bard Peripheral Vascular, 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. Stephen Macioch$184.69
  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. Memorial Hematology Lymphoma GroupNew York, NY

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

Stephen Macioch among 15,555 physician assistant records in New York

Stephen Macioch 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 2014, is newer than 37% of them.

  • NPI issued2014 · 37% of these records are older, 60% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2014 · median 2018 among the 8,158 with a school on file
  • Record last updated2022 · 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).

3,108 physician assistant records list a practice address in New York

They are 3,108 of the 98,468 NPPES records with a practice address in New York, and 15,555 physician assistant records in New York.

The 8 physician assistant records with the nearest ZIP codes

  1. Loriann Asaro, P.A.New York, NY 100211730104100
  2. Michael Demarest, PANew York, NY 100211841248747
  3. Joseph Fable, PANew York, NY 100211003861550
  4. Larry Friedman, PANew York, NY 100211902854821
  5. Inna Guindine, PANew York, NY 100211306937776
  6. Rebecca Johnson, P.A.C.New York, NY 100211336158831
  7. Lynn Keppel, PANew York City, NY 100211770554206
  8. Karleen Koenig, PANew York, NY 100211205884293

Common questions

What is Stephen Macioch's NPI number?

Stephen Macioch's National Provider Identifier (NPI) is 1679977136, issued on Oct 13, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Macioch located?

The NPPES record lists a practice address at 535 E 70TH St, New York, NY, 10021. Phone: (212) 774-2127. Providers update this record themselves, so call before visiting.

How can I verify Stephen Macioch's license?

NPPES lists New York license number 018150, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Stephen Macioch prescribe under Medicare Part D?

In 2024, Stephen Macioch had 68 Medicare Part D claims for 31 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Stephen Macioch's MIPS final score?

The 2023 MIPS final score is 79 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.