NPPES file of Aug 9, 2026

Stephen Matthew Machlica

Medical Physician Assistant · Lake Grove, NY

Stephen Matthew Machlica is a medical physician assistant with a practice address in Lake Grove, New York, and NPI 1386237576, issued on Feb 18, 2021. 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386237576
Name
Stephen Matthew Machlica
Primary taxonomy
Medical Physician Assistant 363AM0700X
Practice location
2835 Middle Country Road, Lake Grove, NY 11755
Phone
(316) 467-3564
Enumerated
Feb 18, 2021
Record last updated
Mar 17, 2024
Medicare enrollment
Enrolled (PECOS I20230220001569); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, New York, 2021
Telehealth
Offers telehealth (CMS)
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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Verify Stephen Matthew Machlica 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
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16% more Medicare Part D claims than the average medical physician assistant in 2024

1,334 Medicare Part D claims for 429 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 42 claims were for opioids.

  1. Stephen Machlica1,334
  2. Specialty average1,148

Most prescribed

  1. Amlodipine Besylate72 claims
  2. Alprazolam58 claims
  3. Methylprednisolone57 claims
  4. Rosuvastatin Calcium51 claims
  5. Atorvastatin Calcium38 claims
  6. Albuterol Sulfate Hfa33 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.

Industry payments in 2024: $557.09

22 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Machlica$557.09
  2. Specialty average$1,055.00

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. North Shore Hematology Oncology Associates PCSmithtown, NY

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

Stephen Matthew Machlica among 3,670 medical physician assistant records in New York

Stephen Matthew Machlica is one of 3,670 medical physician assistant records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 82% of them.

  • NPI issued2021 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2021 · median 2014 among the 1,802 with a school on file
  • Record last updated2024 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in New York

There are 3,670 medical physician assistant records in New York.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Alexandra Mathews, PA-CLake Grove, NY 117551518358811
  2. Amanda Carrion, PHYSICIAN ASSISTANTKings Park, NY 117541467586735
  3. Winny Liang, PALevittown, NY 117561336575448
  4. Diane Menier, RPACWest Islip, NY 117541104089705
  5. Lori YoungLevittown, NY 117561285016691
  6. Summer BaranelloLindenhurst, NY 117571437931466
  7. Anna Maria Cagnina-Reilly, PALindenhurst, NY 117571497872998
  8. Molly Collins, PA-CJericho, NY 117531013317262

Common questions

What is Stephen Matthew Machlica's NPI number?

Stephen Matthew Machlica's National Provider Identifier (NPI) is 1386237576, issued on Feb 18, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Matthew Machlica located?

The NPPES record lists a practice address at 2835 Middle Country Road, Lake Grove, NY, 11755. Phone: (316) 467-3564. Providers update this record themselves, so call before visiting.

How can I verify Stephen Matthew Machlica's license?

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

How much does Stephen Matthew Machlica prescribe under Medicare Part D?

In 2024, Stephen Matthew Machlica had 1,334 Medicare Part D claims for 429 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

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.