Harriet Mather, MD
Hospice and Palliative Medicine (Internal Medicine) Physician · New York, NY
Harriet Mather, MD is a hospice and palliative medicine (internal medicine) physician with a practice address in New York, New York, and NPI 1659997310, issued on Jun 18, 2020. Check the license (New York 312991, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Harriet Mather
- Credential
- MD
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License number
- 312991 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Gustave L Levy PL, New York, NY 10029
- Phone
- (212) 241-6500
- Enumerated
- Jun 18, 2020
- Record last updated
- Jan 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20240927002221); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (internal medicine) physician records → All 218 in New York → Look up another NPI →
Also registered at 1 Gustave L Levy PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lila Abassi, M.D.Hospitalist Physician1871886606
- Erin AbbottStudent in an Organized Health Care Education/Training Program1699587170
- Ghadi AbboudDiagnostic Radiology Physician1740936822
- Richard Abel, M.D.Anesthesiology Physician1508148016
- Jessica Ables, M.D., PH.D.Psychiatry Physician1437543352
- Grant AbrahamsonStudent in an Organized Health Care Education/Training Program1194512590
Verify Harriet Mather 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 312991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harriet Mather among 218 hospice and palliative medicine (internal medicine) physician records in New York
Harriet Mather, MD is one of 218 hospice and palliative medicine (internal medicine) physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2005 · median 2013 among the 155 with a school on file
- Record last updated2022 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0002X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in New York
There are 218 hospice and palliative medicine (internal medicine) physician records in New York.
All 218 in New York → Every provider in New York → Hospice and Palliative Medicine (Internal Medicine) Physician nationwide →
The 8 hospice and palliative medicine (internal medicine) physician records with the nearest ZIP codes
- Allen Andrade, MD DM(LON) MRCP(UK)New York, NY 100291396918868
- Mollie Biewald, MDNew York, NY 100291679839351
- Emily Chai, MDNew York, NY 100291861468837
- Ziad Farah, M.DNew York, NY 100291073758579
- Laura Gelfman, MDNew York, NY 100291356508709
- Noelle Marie Javier, M.D.New York, NY 100291255537312
- Betty Lim, MDNew York, NY 100291548322522
- Diane Meier, MDNew York, NY 100291669448262
Common questions
What is Harriet Mather, MD's NPI number?
Harriet Mather, MD's National Provider Identifier (NPI) is 1659997310, issued on Jun 18, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Harriet Mather, MD located?
The NPPES record lists a practice address at 1 Gustave L Levy PL, New York, NY, 10029. Phone: (212) 241-6500. Providers update this record themselves, so call before visiting.
How can I verify Harriet Mather, MD's license?
NPPES lists New York license number 312991, 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.