Jaclyn L. Mascarin, PA
Physician Assistant · Port Huron, MI
Jaclyn L. Mascarin, PA is a physician assistant with a practice address in Port Huron, Michigan, and NPI 1639512791, issued on Apr 9, 2013. Check the license (Michigan 5601011637, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jaclyn L. Mascarin
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 5601011637 MI
PA9107043 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Pine Grove Ave, Port Huron, MI 48060
- Phone
- (810) 989-3300
- Enumerated
- Apr 9, 2013
- Record last updated
- May 4, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 1221 Pine Grove Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jaclyn L. Mascarin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601011637Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
18 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Jaclyn L. Mascarin among 6,989 physician assistant records in Michigan
Jaclyn L. Mascarin, PA is one of 6,989 physician assistant records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 38% of them.
- NPI issued2013 · 38% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2023 · 40% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 physician assistant records list a practice address in Port Huron
They are 39 of the 1,657 NPPES records with a practice address in Port Huron, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Port Huron → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Randielle Bilbia, PA-CPort Huron, MI 480601952325045
- Tara Blank, PA-CPort Huron, MI 480601841266053
- Amy Collins, P.A.-CPort Huron, MI 480601417959487
- Daniel DillinghamPort Huron, MI 480601639146194
- Erin Dimambro, PA-CPort Huron, MI 480601477576163
- Kim Farris, PA-CPort Huron, MI 480601518912658
- Patrick Geml, PA-C, MPASPort Huron, MI 480601770555062
- Meganne Gerwin, PA-CPort Huron, MI 480601962710566
Common questions
What is Jaclyn L. Mascarin, PA's NPI number?
Jaclyn L. Mascarin, PA's National Provider Identifier (NPI) is 1639512791, issued on Apr 9, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jaclyn L. Mascarin, PA located?
The NPPES record lists a practice address at 1221 Pine Grove Ave, Port Huron, MI, 48060. Phone: (810) 989-3300. Providers update this record themselves, so call before visiting.
How can I verify Jaclyn L. Mascarin, PA's license?
NPPES lists Michigan license number 5601011637, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Jaclyn L. Mascarin, PA prescribe under Medicare Part D?
In 2024, Jaclyn L. Mascarin, PA had 18 Medicare Part D claims; 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.