Doctor profile · Federal record

Dr. STEPHANIE MANDELMAN, M D

Obstetrics & Gynecology Physician (CMS: OBSTETRICS/GYNECOLOGY) · WESTLAKE VILLAGE, CA

  • NPI 1851315196
  • Accepts Medicare
  • 30 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1250 LA VENTA DR, SUITE 101B
WESTLAKE VILLAGE, CA 913613702
(805) 496-0880
fax (805) 496-6670

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 20, 2012
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A68965

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851315196. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
873
Distinct HCPCS
8
Medicare allowed
$94,704
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 321 273 $137
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 278 278 $42
99204 New patient office or other outpatient visit, 45-59 minutes 143 143 $178
99213 Established patient office or other outpatient visit, 20-29 minutes 65 54 $88
99212 Established patient office or other outpatient visit, 10-19 minutes 21 21 $40
99215 Established patient office or other outpatient visit, 40-54 minutes 20 20 $190
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 13 13 $139
58100 Biopsy of lining of uterus 12 12 $111

In context: peer comparison

Among 4 peers in this city , average services per provider: 127. This provider delivers 6.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,301
Transactions
12
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 5 $1,155.31
Sage Therapeutics, Inc. 4 $95.51
MILLICENT US INC 2 $32.76
Exeltis, USA Inc. 1 $17.54

By nature of payment

Travel and Lodging
$1,155
Food and Beverage
$132
Education
$13

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
312
Patients
136
Total drug cost
$23,172
Drug Type Claims Patients Total cost
Estradiol Generic 75 42 $9,625
Progesterone (Progesterone, Micronized) Brand 53 16 $2,287
Fluconazole Generic 41 30 $182
Estradiol (Twice Weekly) (Estradiol) Brand 28 14 $4,693
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 21 16 $487
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 20 18 $318
Metronidazole Generic 18 0 $804
Valacyclovir (Valacyclovir Hcl) Brand 16 0 $1,037
Yuvafem (Estradiol) Brand 15 0 $2,749
Cephalexin Generic 13 0 $202

Hospital affiliations

CMS Hospital Compare