Joseph M. Guastamacchia, PA-C
Medical Physician Assistant · Jupiter, FL
Joseph M. Guastamacchia, PA-C is a medical physician assistant with a practice address in Jupiter, Florida, and NPI 1578667895, issued on Sep 8, 2006. Check the license (Florida PA1537, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Joseph M. Guastamacchia
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA1537 FL
Self-reported in NPPES; status is on the state search - Practice location
- 600 University Blvd, Jupiter, FL 33458
- Phone
- (561) 627-2210
- Enumerated
- Sep 8, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (561) 627-5850
- Medicare enrollment
- Enrolled (PECOS I20040114000242); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 2,776 in Florida → Look up another NPI →
Also registered at 600 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph M. Guastamacchia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license PA1537Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average medical physician assistant in 2024
129 Medicare Part D claims for 43 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Metoprolol Succinate17 claims
- Eliquis16 claims
- Clopidogrel11 claims
- Losartan Potassium11 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 practice group's MIPS final score for 2023 (Medicare payment program): 85.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiJupiter, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph M. Guastamacchia among 2,776 medical physician assistant records in Florida
Joseph M. Guastamacchia, PA-C is one of 2,776 medical physician assistant records with a practice address in Florida. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 74% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1983 · median 2013 among the 1,278 with a school on file
- Record last updated2007 · 52% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 medical physician assistant records list a practice address in Jupiter
They are 19 of the 1,875 NPPES records with a practice address in Jupiter, and 2,776 medical physician assistant records in Florida.
All 2,776 in Florida → Every provider in Jupiter → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Donna Benya, PA-CJupiter, FL 334581891023362
- Susan Brazil, PA-CJupiter, FL 334581538263959
- Jared Brunk, PA-CJupiter, FL 334581104890839
- Timothy Davis, PA-CJupiter, FL 334581013153725
- Susan Garrison, P.A.Jupiter, FL 334581033260781
- Sharon Geraghty, PA-CJupiter, FL 334581396874160
- Erin Goggins, P.A.Jupiter, FL 334581447301197
- Jennifer Levy, P.A.Jupiter, FL 334581669553632
Common questions
What is Joseph M. Guastamacchia, PA-C's NPI number?
Joseph M. Guastamacchia, PA-C's National Provider Identifier (NPI) is 1578667895, issued on Sep 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph M. Guastamacchia, PA-C located?
The NPPES record lists a practice address at 600 University Blvd, Jupiter, FL, 33458. Phone: (561) 627-2210. Providers update this record themselves, so call before visiting.
How can I verify Joseph M. Guastamacchia, PA-C's license?
NPPES lists Florida license number PA1537, 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 Joseph M. Guastamacchia, PA-C prescribe under Medicare Part D?
In 2024, Joseph M. Guastamacchia, PA-C had 129 Medicare Part D claims for 43 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Joseph M. Guastamacchia, PA-C's MIPS final score?
The 2023 MIPS final score is 85.2 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.