NPPES file of Aug 9, 2026

Mark Hasenauer, PA

Physician Assistant · Sebastian, FL

Mark Hasenauer, PA is a physician assistant with a practice address in Sebastian, Florida, and NPI 1255703252, issued on Oct 29, 2015. Check the license (Florida PA 9109153, as entered in NPPES) on the Florida health license search; 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
1255703252
Name
Mark Hasenauer
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA 9109153 FL
Self-reported in NPPES; status is on the state search
Practice location
8701 N US Highway 1, Sebastian, FL 32958
Phone
(772) 228-8480
Enumerated
Oct 29, 2015
Record last updated
Aug 25, 2016 (not updated in 10 years: call before relying on the address or phone)
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 8701 N US Highway 1

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

  1. Michael Antonis, PAPhysician Assistant1619569738
  2. Kushi Bhatt, M.D.,Surgery Physician1821259961
  3. Juan Cortinas-Galvan, MDInternal Medicine Physician1295239283
  4. Jorge Echeverry, PA-CPhysician Assistant1679326599
  5. Ineke KurlandFamily Nurse Practitioner1215790514
  6. Donna WhitePhlebotomy Technician1528671104

Verify Mark Hasenauer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license PA 9109153
    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
Open the Florida 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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6.7 times the Medicare Part D claims of the average physician assistant in 2024

5,532 Medicare Part D claims for 463 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 148 claims were for opioids.

  1. Mark Hasenauer5,532
  2. Specialty average830

Most prescribed

  1. Levothyroxine Sodium242 claims
  2. Lisinopril212 claims
  3. Alprazolam201 claims
  4. Amlodipine Besylate179 claims
  5. Rosuvastatin Calcium160 claims
  6. Gabapentin148 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: $272.81

8 payments; by number, the most common kind was food and beverage; the largest payer was Silk Road Medical, 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. Mark Hasenauer$272.81
  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.

Mark Hasenauer among 10,257 physician assistant records in Florida

Mark Hasenauer, PA is one of 10,257 physician assistant records with a practice address in Florida. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 40% of them.

  • NPI issued2015 · 40% of these records are older, 57% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2016 · 37% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 physician assistant records list a practice address in Sebastian

They are 13 of the 367 NPPES records with a practice address in Sebastian, and 10,257 physician assistant records in Florida.

The 8 physician assistant records with the nearest ZIP codes

  1. Scott Ahrndt, PASebastian, FL 329581346394491
  2. Sherri Anderson, PA-CSebastian, FL 329581063714418
  3. Michael Antonis, PASebastian, FL 329581619569738
  4. Brielle Buckley, PASebastian, FL 329581528218815
  5. Catherine Cheries, PASebastian, FL 329581780679274
  6. Isabella Dimaso, PA-CSebastian, FL 329581124456116
  7. Jorge Echeverry, PA-CSebastian, FL 329581679326599
  8. Steven FujarczykSebastian, FL 329581336733666

Common questions

What is Mark Hasenauer, PA's NPI number?

Mark Hasenauer, PA's National Provider Identifier (NPI) is 1255703252, issued on Oct 29, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Mark Hasenauer, PA located?

The NPPES record lists a practice address at 8701 N US Highway 1, Sebastian, FL, 32958. Phone: (772) 228-8480. Providers update this record themselves, so call before visiting.

How can I verify Mark Hasenauer, PA's license?

NPPES lists Florida license number PA 9109153, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Hasenauer, PA prescribe under Medicare Part D?

In 2024, Mark Hasenauer, PA had 5,532 Medicare Part D claims for 463 beneficiaries; the average among physician assistant prescribers was 830. 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.