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
- Primary practice
-
1250 la Venta Dr, Suite 101B
Westlake Village, CA 913613702
(805) 496-0880
fax (805) 496-6670
Credentials & registration
- 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
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
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 Westlake Village Obstetrics & Gynecology Physician, average services per provider: 127. This provider delivers 6.9× the peer median.Open Payments
Industry payments received
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
Medicare Part D · 2023
Top prescriptions
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
Frequently asked questions
What is Dr. Stephanie Mandelman's medical specialty?
Dr. Stephanie Mandelman practices Obstetrics & Gynecology Physician in Westlake Village, CA.
Where does Dr. Stephanie Mandelman practice?
Dr. Stephanie Mandelman practices at 1250 la Venta Dr, Westlake Village, CA 913613702. Office phone: 8054960880.
What is Dr. Stephanie Mandelman's NPI?
Dr. Stephanie Mandelman's National Provider Identifier (NPI) is 1851315196, issued by NPPES.
Does Dr. Stephanie Mandelman accept Medicare assignment?
Yes. Dr. Stephanie Mandelman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephanie Mandelman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.