Marshel Marion Singleton, RN
Family Nurse Practitioner · Port Jefferson, NY
Marshel Marion Singleton, RN is a family nurse practitioner with a practice address in Port Jefferson, New York, and NPI 1053710822, issued on Aug 18, 2014. Check the license (New York F346417-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marshel Marion Singleton
- Credential
- RN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- F346417-01 NY
689369 NY
Self-reported in NPPES; status is on the state search - Practice location
- 200 Belle Terre RD, Port Jefferson, NY 11777
- Phone
- (904) 372-3943
- Enumerated
- Aug 18, 2014
- Record last updated
- Oct 9, 2025
- Fax
- (904) 212-1618
- Medicare enrollment
- Enrolled (PECOS I20210223001580); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 200 Belle Terre RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hani Abdel-Rahman, DOStudent in an Organized Health Care Education/Training Program1366145138
- David Anschel, M.D.Neurology Physician1689620387
- Joseph Audiino, P.A.Physician Assistant1487620100
- Robert Awadallah, PHARM.D, ANP, MBAPharmacist1043855596
- Cristina BadalamentiOccupational Therapist1609373489
- Nannette Bauers-Chu, P.T.Physical Therapist1972727741
Verify Marshel Marion Singleton 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 F346417-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average family nurse practitioner in 2024
903 Medicare Part D claims for 395 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Erythromycin162 claims
- Tobramycin-Dexamethasone146 claims
- Neomycin-Polymyxin-Dexameth78 claims
- Latanoprost49 claims
- Restasis37 claims
- Timolol Maleate37 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): 100 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: $1,548.61
60 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 99,489 providers of this specialty with any payment received $650.95 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
- Diabetes Management Partners LLCPort Jefferson, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marshel Marion Singleton among 14,805 family nurse practitioner records in New York
Marshel Marion Singleton, RN is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 30% of them.
- NPI issued2014 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2017 · median 2019 among the 7,239 with a school on file
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family nurse practitioner records list a practice address in Port Jefferson
They are 17 of the 983 NPPES records with a practice address in Port Jefferson, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Port Jefferson → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Katlyn Anthony, NPPort Jefferson, NY 117771023679503
- Eugene Matthew Arena, NPPort Jefferson, NY 117771356997308
- Jacqueline Bishop, FNPPort Jefferson, NY 117771609416940
- Margaret Coffey, NPPort Jefferson, NY 117771376652461
- Jennifer Condlin, RNPort Jefferson, NY 117771720360340
- Theresa Grimes, FNP-BCPort Jefferson, NY 117771912910910
- Jenna Guardino, RN BSN FNP B.CPort Jefferson, NY 117771821726878
- Kaitlin MacdowellPort Jefferson, NY 117771356017917
Common questions
What is Marshel Marion Singleton, RN's NPI number?
Marshel Marion Singleton, RN's National Provider Identifier (NPI) is 1053710822, issued on Aug 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marshel Marion Singleton, RN located?
The NPPES record lists a practice address at 200 Belle Terre RD, Port Jefferson, NY, 11777. Phone: (904) 372-3943. Providers update this record themselves, so call before visiting.
How can I verify Marshel Marion Singleton, RN's license?
NPPES lists New York license number F346417-01, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Marshel Marion Singleton, RN prescribe under Medicare Part D?
In 2024, Marshel Marion Singleton, RN had 903 Medicare Part D claims for 395 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Marshel Marion Singleton, RN's MIPS final score?
The 2023 MIPS final score is 100 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.