Doctor profile · Federal record

Dr. Karen Simon, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · New York, NY

  • NPI 1124138557
  • Accepts Medicare
  • 44 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
227 E 19Th St, 8Th Floor, Bldg 'C'
New York, NY 100032602
(212) 995-7410
fax (212) 995-7411

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New York #162539
Medicaid
NY #01173528

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124138557. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
436
Distinct HCPCS
4
Medicare allowed
$43,725
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 315 119 $89
99239 Hospital discharge day management, more than 30 minutes 71 65 $129
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 39 38 $146
99238 Hospital discharge day management, 30 minutes or less 11 11 $91

In context: peer comparison

Among 103 peers in this city , average services per provider: 411. This provider delivers 1.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Simon's medical specialty?
Dr. Karen Simon practices Hematology & Oncology Physician in New York, NY.
Where does Dr. Karen Simon practice?
Dr. Karen Simon practices at 227 E 19Th St, New York, NY 100032602. Office phone: 2129957410.
What is Dr. Karen Simon's NPI?
Dr. Karen Simon's National Provider Identifier (NPI) is 1124138557, issued by NPPES.
Does Dr. Karen Simon accept Medicare assignment?
Yes. Dr. Karen Simon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Simon commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.