Gwyneth M. Alexander, FNP
Family Nurse Practitioner · Hauppauge, NY
Gwyneth M. Alexander, FNP is a family nurse practitioner with a practice address in Hauppauge, New York, and NPI 1346577939, issued on Nov 3, 2009. Check the license (New York F336046-1, 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.
- Name
- Gwyneth M. Alexander
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F336046-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Kings Hwy, Hauppauge, NY 11788
- Phone
- (631) 348-4900
- Enumerated
- Nov 3, 2009
- Record last updated
- Nov 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (631) 348-0273
- Entity
- Type 1 · individual
Also registered at 1 Kings Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alan Bigman, M.D.Internal Medicine Physician1215975701
- Sanjib DeyFamily Medicine Physician1609491968
- Christine Dorman, N.P.Adult Health Nurse Practitioner1013163641
- Nilofar Hava, M.D.Internal Medicine Physician1023041092
- Joel Hershey, M.D.Pediatrics Physician1760425649
- Lisa Jantzen, FNPFamily Nurse Practitioner1770896409
Verify Gwyneth M. Alexander 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 F336046-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
All 19 in Hauppauge → All 14,805 in New York → Every provider in Hauppauge →
Other family nurse practitioner records in New York
- Carolyn A'Hearn, NPSyracuse, NY1093435554
- Lindsey Aanonsen, FNPStaten Island, NY1386368926
- Abigail Aaron, FNPNew York, NY1548125594
- Meredith AaronWellsville, NY1699121764
- Memoudou Abalola, NPBronx, NY1154580520
- Jennifer Abate, FNP-BCNew York, NY1568134732
- Karen Abate, PHD, APRN- BC, FNAPNew York, NY1669599585
- Tatiana AbayaBronx, NY1366323958
- Evilina AbayevaFresh Meadows, NY1932929585
- Dalia AbbasRockville Centre, NY1871425363
Common questions
What is Gwyneth M. Alexander, FNP's NPI number?
Gwyneth M. Alexander, FNP's National Provider Identifier (NPI) is 1346577939, issued on Nov 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gwyneth M. Alexander, FNP located?
The NPPES record lists a practice address at 1 Kings Hwy, Hauppauge, NY, 11788. Phone: (631) 348-4900. Providers update this record themselves, so call before visiting.
How can I verify Gwyneth M. Alexander, FNP's license?
NPPES lists New York license number F336046-1, 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.