Marisa Hamlin, PA-C
NPI 1790111797 · Physician Assistant · Watertown, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marisa Hamlin, PA-C is a Physician Assistant provider in Watertown, NY (NPI 1790111797).
Provider details
- NPI number
- 1790111797
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 0010-05824 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
853 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 193 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 162 | $53 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 134 | $38 |
| Biopsy of Related Skin Growth, First Growth11102 | 117 | $22 |
| Destruction of Skin Growth, 1-14 Growths17110 | 77 | $54 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 85 | 49 |
| Levocetirizine Dihydrochloride | 53 | 17 |
| Triamcinolone Acetonide | 51 | 37 |
| Fluconazole | 37 | 13 |
| Clobetasol Propionate | 34 | 15 |
| Hydroxyzine Hcl | 28 | — |
| Fluorouracil | 27 | 21 |
| Mupirocin | 21 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,292 across 54 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-09-23
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is Marisa Hamlin's NPI number?
- Marisa Hamlin's National Provider Identifier (NPI) is 1790111797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marisa Hamlin's specialty?
- Marisa Hamlin is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marisa Hamlin located?
- Marisa Hamlin's practice location on file with NPPES is 830 Washington St, Watertown, NY 13601-4034.
- What is Marisa Hamlin's phone number?
- The practice phone number listed in the NPPES registry for Marisa Hamlin is (315) 755-3670.
- Does Marisa Hamlin accept Medicare?
- Marisa Hamlin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marisa Hamlin's NPI active?
- Yes — Marisa Hamlin's NPI (1790111797) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.