Marisa Hamlin, PA-C
Physician Assistant · Watertown, NY
Marisa Hamlin, PA-C is a physician assistant with a practice address in Watertown, New York, and NPI 1790111797, issued on Sep 23, 2013. Check the license (New York 017013, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marisa Hamlin
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 017013 NY
0010-05824 NC
Self-reported in NPPES; status is on the state search - Practice location
- 830 Washington St, Watertown, NY 13601
- Phone
- (315) 755-3670
- Enumerated
- Sep 23, 2013
- Record last updated
- Sep 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20131203000050); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 830 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rafeeque Ahmad, MDFamily Medicine Physician1891689733
- Hamzah Akram, MDInternal Medicine Physician1447746292
- John Arber, MDEmergency Medicine Physician1497779433
Verify Marisa Hamlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 017013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average physician assistant in 2024
710 Medicare Part D claims for 255 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Ketoconazole85 claims
- Levocetirizine Dihydrochloride53 claims
- Triamcinolone Acetonide51 claims
- Fluconazole37 claims
- Clobetasol Propionate34 claims
- Hydroxyzine Hcl28 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: $1,291.55
54 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Samaritan Medical CenterAdams, NY · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Marisa Hamlin among 15,555 physician assistant records in New York
Marisa Hamlin, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% 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 34% of them.
- NPI issued2013 · 34% of these records are older, 63% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2013 · median 2018 among the 8,158 with a school on file
- Record last updated2023 · 48% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 physician assistant records list a practice address in Watertown
They are 44 of the 1,380 NPPES records with a practice address in Watertown, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Watertown → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Michelle Boulton, RPA-CWatertown, NY 136011336167709
- Laura Colihan, RPA CWatertown, NY 136011376520627
- Alexandra Davies, R.P.A.Watertown, NY 136011841241148
- Erica Feola, P.A.Watertown, NY 136011104809409
- Carrie Guga, RPA-CWatertown, NY 136011023062445
- Marcus Knapp, PAWatertown, NY 136011861429995
- Michael Lettiere, RPA-CWatertown, NY 136011437114204
- Michael McElheran, PAWatertown, NY 136011760471718
Common questions
What is Marisa Hamlin, PA-C's NPI number?
Marisa Hamlin, PA-C's National Provider Identifier (NPI) is 1790111797, issued on Sep 23, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Marisa Hamlin, PA-C located?
The NPPES record lists a practice address at 830 Washington St, Watertown, NY, 13601. Phone: (315) 755-3670. Providers update this record themselves, so call before visiting.
How can I verify Marisa Hamlin, PA-C's license?
NPPES lists New York license number 017013, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Marisa Hamlin, PA-C prescribe under Medicare Part D?
In 2024, Marisa Hamlin, PA-C had 710 Medicare Part D claims for 255 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.