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 .

NPPES Updated May 11, 2026
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

NPPES · NUCC
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

OIG LEIE Updated May 11, 2026

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

CMS Provider Utilization
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 this city , average services per provider: 134. This provider delivers 3.6× the peer median.