Alyssa Marklin, NP
Nurse Practitioner · West Islip, NY
Alyssa Marklin, NP is a nurse practitioner with a practice address in West Islip, New York, and NPI 1700511961, issued on Jul 21, 2022. Check the license (New York 310594, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alyssa Marklin
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 310594 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Montauk Hwy, West Islip, NY 11795
- Phone
- (631) 376-3251
- Enumerated
- Jul 21, 2022
- Record last updated
- Nov 13, 2024
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,097 in New York → Look up another NPI →
Also registered at 1000 Montauk Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alyssa Marklin 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 310594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average nurse practitioner in 2024
55 Medicare Part D claims for 32 beneficiaries, against an average of 1,109 among the 54,319 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.
Industry payments in 2024: $52.58
3 payments; by number, the most common kind was food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 38,884 providers of this specialty with any payment received $791.64 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.
Alyssa Marklin among 3,097 nurse practitioner records in New York
Alyssa Marklin, NP is one of 3,097 nurse practitioner records with a practice address in New York. 64% 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 82% of them.
- NPI issued2022 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in New York
There are 3,097 nurse practitioner records in New York.
All 3,097 in New York → Every provider in West Islip → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Mary Ann Defalco, NPWest Islip, NY 117951144208570
- Sherri Lee, NPWest Islip, NY 117951508843434
- Alicia Noto, NPWest Islip, NY 117951265605505
- Eileen Swailes, NPWest Islip, NY 117951740506807
- Patricia Toolan, NPWest Islip, NY 117951326025255
- Serena Borrero Lovelace, NP, RNStony Brook, NY 117941679163729
- Wai Ying ChanStony Brook, NY 117941144066648
- Bernadette Chaplin-Swope, AGNP-CStony Brook, NY 117941629225206
Common questions
What is Alyssa Marklin, NP's NPI number?
Alyssa Marklin, NP's National Provider Identifier (NPI) is 1700511961, issued on Jul 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Marklin, NP located?
The NPPES record lists a practice address at 1000 Montauk Hwy, West Islip, NY, 11795. Phone: (631) 376-3251. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Marklin, NP's license?
NPPES lists New York license number 310594, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Alyssa Marklin, NP prescribe under Medicare Part D?
In 2024, Alyssa Marklin, NP had 55 Medicare Part D claims for 32 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.