Marissa Vartak, FNP
NPI 1821537945 · Family Nurse Practitioner · New Hartford, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Vartak, FNP is a Family Nurse Practitioner provider in New Hartford, NY (NPI 1821537945).
Provider details
- NPI number
- 1821537945
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 341935 (NY)
Specialties & taxonomies
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
9 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
1,216 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 202 | $104 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 187 | $51 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 174 | $149 |
| Advance Care Planning, First 30 Minutes99497 | 133 | $66 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 111 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 126 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 370 | 62 |
| Sertraline Hcl | 361 | 64 |
| Atorvastatin Calcium | 359 | 74 |
| Levothyroxine Sodium | 348 | 59 |
| Metoprolol Succinate | 191 | 37 |
| Lisinopril | 179 | 37 |
| Donepezil Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$935 across 47 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
- 2017-02-22
- Last updated
- 2022-07-21
Frequently asked questions
- What is Marissa Vartak's NPI number?
- Marissa Vartak's National Provider Identifier (NPI) is 1821537945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Vartak's specialty?
- Marissa Vartak is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Vartak located?
- Marissa Vartak's practice location on file with NPPES is 1729 Burrstone Rd, New Hartford, NY 13413-1001.
- What is Marissa Vartak's phone number?
- The practice phone number listed in the NPPES registry for Marissa Vartak is (315) 798-1152.
- Does Marissa Vartak accept Medicare?
- Marissa Vartak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Vartak's NPI active?
- Yes — Marissa Vartak's NPI (1821537945) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.