NPPES file of Aug 9, 2026

William Derek Heinlen, PA

Surgical Physician Assistant · Melbourne, FL

William Derek Heinlen, PA is a surgical physician assistant with a practice address in Melbourne, Florida, and NPI 1356016182, issued on Aug 13, 2021. Check the license (Florida PA9115153, 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
1356016182
Name
William Derek Heinlen
Credential
PA
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
PA9115153 FL
Self-reported in NPPES; status is on the state search
Practice location
2222 S Harbor City Blvd Ste 430, Melbourne, FL 32901
Phone
(321) 344-8746
Enumerated
Aug 13, 2021
Record last updated
Jun 17, 2026
Fax
(321) 339-1932
Medicaid ID
120201000 FL
Medicare enrollment
Enrolled (PECOS I20231227002597); 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 2222 S Harbor City Blvd Ste 430

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

  1. Paul Appleby, M.D.Surgery Physician1366806242
  2. Elena Barnes, MDRheumatology Physician1598731200
  3. Patrick Domkowski, MDSurgery Physician1366423022

Verify William Derek Heinlen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license PA9115153
    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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13% more Medicare Part D claims than the average surgical physician assistant in 2024

345 Medicare Part D claims for 121 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 70 claims were for opioids.

  1. William Heinlen345
  2. Specialty average304

Most prescribed

  1. Ondansetron Odt87 claims
  2. Hydrocodone-Acetaminophen44 claims
  3. Sucralfate35 claims
  4. Pantoprazole Sodium29 claims
  5. Oxycodone Hcl17 claims
  6. Aprepitant11 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.

Bills Medicare through one group practice

  1. Orlando Health Medical Group IncSebastian, FL

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

William Derek Heinlen among 1,444 surgical physician assistant records in Florida

William Derek Heinlen, PA is one of 1,444 surgical physician assistant records with a practice address in Florida. 72% 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 79% of them.

  • NPI issued2021 · 79% of these records are older, 16% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2021 · median 2015 among the 844 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 surgical physician assistant records list a practice address in Melbourne

They are 52 of the 4,629 NPPES records with a practice address in Melbourne, and 1,444 surgical physician assistant records in Florida.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Margaret Avilla, PAMelbourne, FL 329011093706079
  2. Carrie Chapman, PA-CMelbourne, FL 329011144376088
  3. Kristi Christman, PA-CMelbourne, FL 329011659561405
  4. Megan Daniels, PA-CMelbourne, FL 329011417922022
  5. Lucia Gildea, RPA-CMelbourne, FL 329011275683351
  6. David Harris, PAMelbourne, FL 329011528032547
  7. Gary James, RPAMelbourne, FL 329011619926169
  8. Elizabeth Mattesi, PAMelbourne, FL 329011093765323

Common questions

What is William Derek Heinlen, PA's NPI number?

William Derek Heinlen, PA's National Provider Identifier (NPI) is 1356016182, issued on Aug 13, 2021. An NPI identifies a provider in billing; it is not a license.

Where is William Derek Heinlen, PA located?

The NPPES record lists a practice address at 2222 S Harbor City Blvd Ste 430, Melbourne, FL, 32901. Phone: (321) 344-8746. Providers update this record themselves, so call before visiting.

How can I verify William Derek Heinlen, PA's license?

NPPES lists Florida license number PA9115153, 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 William Derek Heinlen, PA prescribe under Medicare Part D?

In 2024, William Derek Heinlen, PA had 345 Medicare Part D claims for 121 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.