Doctor profile · Federal record

Dr. Gary Leiserowitz, M.D.

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Sacramento, CA

  • NPI 1871575142
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4860 Y St, OB/GYN, Suite 2500
Sacramento, CA 958172307
(916) 734-6930
fax (916) 734-6666

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
August 22, 2011
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
California #C407800
Medicaid
CA #00C407800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871575142. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
186
Distinct HCPCS
5
Medicare allowed
$15,067
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 74 54 $69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 60 19 $82
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $138
99214 Established patient office or other outpatient visit, 30-39 minutes 18 17 $99
99212 Established patient office or other outpatient visit, 10-19 minutes 14 14 $37

In context: peer comparison

Among 7 peers in Sacramento Gynecologic Oncology Physician, average services per provider: 39. This provider delivers 4.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $39.99

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$986
Drug Type Claims Patients Total cost
Letrozole Generic 11 0 $986

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Leiserowitz's medical specialty?
Dr. Gary Leiserowitz practices Gynecologic Oncology Physician in Sacramento, CA.
Where does Dr. Gary Leiserowitz practice?
Dr. Gary Leiserowitz practices at 4860 Y St, Sacramento, CA 958172307. Office phone: 9167346930.
What is Dr. Gary Leiserowitz's NPI?
Dr. Gary Leiserowitz's National Provider Identifier (NPI) is 1871575142, issued by NPPES.
Does Dr. Gary Leiserowitz accept Medicare assignment?
Yes. Dr. Gary Leiserowitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Leiserowitz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.