Hannah De Groot, M.D.
NPI 1093133357 · Internal Medicine Physician · White Plains, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hannah De Groot, M.D. is a Internal Medicine Physician provider in White Plains, NY (NPI 1093133357).
Provider details
- NPI number
- 1093133357
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 288667 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
390 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 151 | $145 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 97 | $188 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 60 | $86 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 50 | $126 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 17 | $127 |
| Advance Care Planning, First 30 Minutes99497 | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 601 Elmwood AveBox MedRochester, NY 14642-0001Phone: (585) 275-2222
Registry dates
- Enumerated
- 2014-04-03
- Last updated
- 2018-07-26
Frequently asked questions
- What is Hannah De Groot's NPI number?
- Hannah De Groot's National Provider Identifier (NPI) is 1093133357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah De Groot's specialty?
- Hannah De Groot is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hannah De Groot located?
- Hannah De Groot's practice location on file with NPPES is 210 Westchester Ave, White Plains, NY 10604.
- What is Hannah De Groot's phone number?
- The practice phone number listed in the NPPES registry for Hannah De Groot is (914) 682-6532.
- Does Hannah De Groot accept Medicare?
- Hannah De Groot is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hannah De Groot's NPI active?
- Yes — Hannah De Groot's NPI (1093133357) is active in the NPPES registry as of the last update on 2018-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.