NPPES file of Aug 9, 2026

Mark Jesse Schwartz, NP

Family Nurse Practitioner · Hauppauge, NY

Mark Jesse Schwartz, NP is a family nurse practitioner with a practice address in Hauppauge, New York, and NPI 1699471086, issued on Feb 6, 2023. Check the license (New York 351348, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699471086
Name
Mark Jesse Schwartz
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
351348 NY
751097 NY
Self-reported in NPPES; status is on the state search
Practice location
750 Veterans Memorial Highway, Hauppauge, NY 11788
Phone
(718) 801-6318
Enumerated
Feb 6, 2023
Record last updated
Dec 26, 2024
Fax
(718) 798-0988
Medicare enrollment
Enrolled (PECOS I20231221002770); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mark Jesse Schwartz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 351348
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Mark Jesse Schwartz among 14,805 family nurse practitioner records in New York

Mark Jesse Schwartz, NP 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 not. Its NPI, issued in 2023, is newer than 76% of them.

  • NPI issued2023 · 76% of these records are older, 17% newer
  • In a Medicare fileNo · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2022 · median 2019 among the 7,239 with a school on file
  • Record last updated2024 · 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).

19 family nurse practitioner records list a practice address in Hauppauge

They are 19 of the 1,043 NPPES records with a practice address in Hauppauge, and 14,805 family nurse practitioner records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jaclyn Abrahall, FNP-C, CDCESHauppauge, NY 117881972036333
  2. Gwyneth Alexander, FNPHauppauge, NY 117881346577939
  3. Satwatie AntisHauppauge, NY 117881326170689
  4. Oksana BoldyrevHauppauge, NY 117881063032522
  5. Amy Eisenberg, FNPHauppauge, NY 117881639469042
  6. Chenelle GrantHauppauge, NY 117881801441399
  7. Elaina Hufnagel, FNP-BCHauppauge, NY 117881629693973
  8. Lisa Jantzen, FNPHauppauge, NY 117881770896409

Common questions

What is Mark Jesse Schwartz, NP's NPI number?

Mark Jesse Schwartz, NP's National Provider Identifier (NPI) is 1699471086, issued on Feb 6, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mark Jesse Schwartz, NP located?

The NPPES record lists a practice address at 750 Veterans Memorial Highway, Hauppauge, NY, 11788. Phone: (718) 801-6318. Providers update this record themselves, so call before visiting.

How can I verify Mark Jesse Schwartz, NP's license?

NPPES lists New York license number 351348, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity 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. 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.