Phyllis Witzel Speiser, MD
Pediatric Endocrinology Physician · New Hyde Park, NY
Phyllis Witzel Speiser, MD is a pediatric endocrinology physician with a practice address in New Hyde Park, New York, and NPI 1124198262, issued on Nov 8, 2006. Check the license (New York 143670, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Phyllis Witzel Speiser
- Credential
- MD
- Primary taxonomy
- Pediatric Endocrinology Physician 2080P0205X
- License number
- 143670 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1991 Marcus Ave, New Hyde Park, NY 11042
- Phone
- (516) 472-3750
- Enumerated
- Nov 8, 2006
- Record last updated
- Jun 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (516) 472-3751
- Entity
- Type 1 · individual
8 nearest pediatric endocrinology physician records → All 177 in New York → Look up another NPI →
Also registered at 1991 Marcus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Andreacchio, RD, CDN, CDERegistered Dietitian1407491772
- Jennifer Apsan, M.D.Pediatric Endocrinology Physician1710368048
- Ramon Atienza, P.T.Physical Therapist1689611444
- Samuel Bitton, M.D.Pediatrics Physician1528395209
- Paolo Bolognese, M.D.Neurological Surgery Physician1154492148
- Eugene Bonapace, M.D.Gastroenterology Physician1053316505
Verify Phyllis Witzel Speiser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 143670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $4,597.44
3 payments; by number, the most common kind was food and beverage; the largest payer was Roche Diagnostics International Ltd. The 931 providers of this specialty with any payment received $4,382.94 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.
Phyllis Witzel Speiser among 177 pediatric endocrinology physician records in New York
Phyllis Witzel Speiser, MD is one of 177 pediatric endocrinology physician records with a practice address in New York. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 56% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 22% of these records are
- Record last updated2012 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Endocrinology Physician providers in New York
There are 177 pediatric endocrinology physician records in New York.
All 177 in New York → Every provider in New Hyde Park → Pediatric Endocrinology Physician nationwide →
The 8 pediatric endocrinology physician records with the nearest ZIP codes
- Jennifer Apsan, M.D.New Hyde Park, NY 110421710368048
- Lisa Brandt, M.D.New Hyde Park, NY 110421881040194
- Jenice ChummarNew Hyde Park, NY 110421669898706
- Graeme Frank, MDNew Hyde Park, NY 110421689745770
- Margaret Grillo, MDNew Hyde Park, NY 110421285168401
- Lynn Hawkins, M.D.,PH.D.New Hyde Park, NY 110421093786832
- Yeouching Hsu, M.D.New Hyde Park, NY 110421689864225
- Sharon Hyman, M.D.New Hyde Park, NY 110421518169861
Common questions
What is Phyllis Witzel Speiser, MD's NPI number?
Phyllis Witzel Speiser, MD's National Provider Identifier (NPI) is 1124198262, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Phyllis Witzel Speiser, MD located?
The NPPES record lists a practice address at 1991 Marcus Ave, New Hyde Park, NY, 11042. Phone: (516) 472-3750. Providers update this record themselves, so call before visiting.
How can I verify Phyllis Witzel Speiser, MD's license?
NPPES lists New York license number 143670, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.