Marissa Hornacek, MSN, BSN, RN
Adult Health Nurse Practitioner · New York, NY
Marissa Hornacek, MSN, BSN, RN is an adult health nurse practitioner with a practice address in New York, New York, and NPI 1619697208, issued on Sep 1, 2022. Check the license (New York 310885, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Hornacek
- Credential
- MSN, BSN, RN
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 310885 NY
Self-reported in NPPES; status is on the state search - Practice location
- 610 2ND Ave, New York, NY 10016
- Phone
- (732) 500-7114
- Enumerated
- Sep 1, 2022
- Record last updated
- Sep 1, 2022
- Medicare enrollment
- Enrolled (PECOS I20221227001570); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →
Also registered at 610 2ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marissa Hornacek 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 310885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
223 Medicare Part D claims for 42 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Acyclovir36 claims
- Atovaquone30 claims
- Sulfamethoxazole-Trimethoprim22 claims
- Jakafi13 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): 84.5 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).
Industry payments in 2024: $24.95
1 payment: food and beverage; the largest payer was Legend Biotech USA Inc. The 12,291 providers of this specialty with any payment received $946.40 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.
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Hornacek among 6,028 adult health nurse practitioner records in New York
Marissa Hornacek, MSN, BSN, RN is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 84% of them.
- NPI issued2022 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2022 · median 2016 among the 2,678 with a school on file
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,548 adult health nurse practitioner records list a practice address in New York
They are 1,548 of the 98,468 NPPES records with a practice address in New York, and 6,028 adult health nurse practitioner records in New York.
All 6,028 in New York → Every provider in New York → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
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Common questions
What is Marissa Hornacek, MSN, BSN, RN's NPI number?
Marissa Hornacek, MSN, BSN, RN's National Provider Identifier (NPI) is 1619697208, issued on Sep 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Hornacek, MSN, BSN, RN located?
The NPPES record lists a practice address at 610 2ND Ave, New York, NY, 10016. Phone: (732) 500-7114. Providers update this record themselves, so call before visiting.
How can I verify Marissa Hornacek, MSN, BSN, RN's license?
NPPES lists New York license number 310885, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Hornacek, MSN, BSN, RN prescribe under Medicare Part D?
In 2024, Marissa Hornacek, MSN, BSN, RN had 223 Medicare Part D claims for 42 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Marissa Hornacek, MSN, BSN, RN's MIPS final score?
The 2023 MIPS final score is 84.5 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.