NPPES file of Aug 9, 2026

Gail Holtz, NURSE PRACTITIONER

Adult Health Nurse Practitioner · Hauppauge, NY

Gail Holtz, NURSE PRACTITIONER is an adult health nurse practitioner with a practice address in Hauppauge, New York, and NPI 1003632464, issued on Dec 2, 2024. Check the license (New York 301089, 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
1003632464
Name
Gail Holtz
Credential
NURSE PRACTITIONER
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
301089 NY
301089-01 NY
Self-reported in NPPES; status is on the state search
Practice location
299 Bow Dr, Hauppauge, NY 11788
Phone
(631) 974-6937
Enumerated
Dec 2, 2024
Record last updated
Dec 2, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →

Verify Gail Holtz 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 301089    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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Gail Holtz among 6,028 adult health nurse practitioner records in New York

Gail Holtz, NURSE PRACTITIONER 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 not. Its NPI, issued in 2024, is newer than 91% of them.

  • NPI issued2024 · 91% of these records are older, 5% newer
  • In a Medicare fileNo · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 44% of these records are
  • Record last updated2024 · 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).

10 adult health nurse practitioner records list a practice address in Hauppauge

They are 10 of the 1,043 NPPES records with a practice address in Hauppauge, and 6,028 adult health nurse practitioner records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 6,028 in New York → Every provider in Hauppauge → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Margaret Costello, ANPHauppauge, NY 117881831352921
  2. Christine Dorman, N.P.Hauppauge, NY 117881013163641
  3. Anneliese Feige, NPHauppauge, NY 117881578402343
  4. Danielle Ferrara, NPHauppauge, NY 117881629115787
  5. Marie Fils-Aime, NPFarmingville, NY 117881023326527
  6. Elizabeth Macgilvray, NPHauppauge, NY 117881861521320
  7. Carol Markowitz, NPHauppauge, NY 117881871674291
  8. Emily Messana, AGNP-CHauppauge, NY 117881528721958

Common questions

What is Gail Holtz, NURSE PRACTITIONER's NPI number?

Gail Holtz, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1003632464, issued on Dec 2, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Gail Holtz, NURSE PRACTITIONER located?

The NPPES record lists a practice address at 299 Bow Dr, Hauppauge, NY, 11788. Phone: (631) 974-6937. Providers update this record themselves, so call before visiting.

How can I verify Gail Holtz, NURSE PRACTITIONER's license?

NPPES lists New York license number 301089, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.