Hannah De Groot, M.D.
Internal Medicine Physician · White Plains, NY
Hannah De Groot, M.D. is an internal medicine physician with a practice address in White Plains, New York, and NPI 1093133357, issued on Apr 3, 2014. Check the license (New York 288667, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Hannah De Groot
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 288667 NY
Self-reported in NPPES; status is on the state search - Practice location
- 210 Westchester Ave, White Plains, NY 10604
- Phone
- (914) 682-6532
- Enumerated
- Apr 3, 2014
- Record last updated
- Jul 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (914) 681-5260
- Medicaid ID
- 04861670 NY
- Medicare enrollment
- Enrolled (PECOS I20170912001591); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 210 Westchester Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hannah De Groot 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 288667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
62 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Westchester Medical Group, P.CWhite Plains, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hannah De Groot among 12,067 internal medicine physician records in New York
Hannah De Groot, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 73% of them.
- NPI issued2014 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2014 · median 2002 among the 7,221 with a school on file
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
110 internal medicine physician records list a practice address in White Plains
They are 110 of the 4,065 NPPES records with a practice address in White Plains, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in White Plains → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Aris Comninellis, M.D.White Plains, NY 106041194833129
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- Jordan Golubcow-Teglasi, MDWhite Plains, NY 106041043479603
- Susan Haas, MDWhite Plains, NY 106041518939123
- Morrie Kaplan, MDWhite Plains, NY 106041437137171
- Lawrence Kraftowitz, MDWhite Plains, NY 106041306825328
- Eliot Moshman, MDWhite Plains, NY 106041861471716
- Barney Newman, MDWhite Plains, NY 106041417936204
Common questions
What is Hannah De Groot, M.D.'s NPI number?
Hannah De Groot, M.D.'s National Provider Identifier (NPI) is 1093133357, issued on Apr 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Hannah De Groot, M.D. located?
The NPPES record lists a practice address at 210 Westchester Ave, White Plains, NY, 10604. Phone: (914) 682-6532. Providers update this record themselves, so call before visiting.
How can I verify Hannah De Groot, M.D.'s license?
NPPES lists New York license number 288667, 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.
How much does Hannah De Groot, M.D. prescribe under Medicare Part D?
In 2024, Hannah De Groot, M.D. had 62 Medicare Part D claims for 34 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions 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. 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.