Doctor profile · Federal record
Dr. Hannah de Groot, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · White Plains, NY
- NPI 1093133357
- Accepts Medicare
- 12 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
210 Westchester Ave
White Plains, NY 10604
(914) 682-6532
fax (914) 681-5260 - Additional location
-
601 Elmwood Ave, Box MED
Rochester, NY 146420001
(585) 275-2222 - Mailing address
-
601 Elmwood Ave, Box MED
Rochester, NY 146420001
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- July 26, 2018
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #288667
- Medicaid
- NY #04861670
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093133357. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
477
Distinct HCPCS
6
Medicare allowed
$63,538
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 142 | 84 | $91 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 123 | 116 | $148 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 90 | 87 | $194 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 72 | 40 | $136 | |
99239 |
Hospital discharge day management, more than 30 minutes | 31 | 31 | $132 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 19 | 11 | $58 |
In context: peer comparison
Among 46 peers in White Plains Internal Medicine Physician, average services per provider: 134. This provider delivers 3.6× the peer median.Frequently asked questions
What is Dr. Hannah de Groot's medical specialty?
Dr. Hannah de Groot practices Internal Medicine Physician in White Plains, NY.
Where does Dr. Hannah de Groot practice?
Dr. Hannah de Groot practices at 210 Westchester Ave, White Plains, NY 10604. Office phone: 9146826532.
What is Dr. Hannah de Groot's NPI?
Dr. Hannah de Groot's National Provider Identifier (NPI) is 1093133357, issued by NPPES.
Does Dr. Hannah de Groot accept Medicare assignment?
Yes. Dr. Hannah de Groot accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hannah de Groot commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.