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- 1250 la Venta Dr, Suite 101B, Westlake Village, CA 91361
About Stephanie Mandelman
Stephanie J. Mandelman, M D is a healthcare provider in Westlake Village, CA specializing in obstetrics & gynecology. Stephanie trained at R Franklin University of Med & Sci/Chicago Medical School, graduating in 1995. According to Medicare claims data, Stephanie cared for 855 Medicare patients across 902 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, cervical or vaginal cancer screening; pelvic and clinical breast examination, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. This provider record is associated with NPI 1851315196.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (805) 496-0880
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1250 LA VENTA DR SUITE 101B
Westlake Village, CA 91361
Conditions Commonly Evaluated or Treated
Within Obstetrics and Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Contraception
Fertility
High-risk or subspecialty
Infections
Pelvic pain and benign gynecology
- Uterine fibroids
- Chronic pelvic pain
- Ovarian cysts
- Painful intercourse
- Pelvic organ prolapse
- Urinary incontinence in women
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
- Absent periods
- Genitourinary syndrome of menopause
- Painful periods
- Perimenopause
- Premenstrual syndrome
Pregnancy
- Ectopic pregnancy
- Gestational diabetes
- Hyperemesis gravidarum
- Miscarriage
- Placenta previa
- Postpartum depression
- Preeclampsia
- Preterm labor
Cancer and precancer
- Abnormal cervical cells and cervical dysplasia
- Cervical cancer
- Endometrial cancer
- Endometrial hyperplasia
- Ovarian cancer
Pregnancy Complications
Vaginal & Vulvar Health
Procedures & services
Diagnostic Tests
Hormone & Menopause
Laparoscopic and adnexal surgery
Pelvic floor
Pregnancy and delivery
Preventive and diagnostic
- Pelvic examination
- Transvaginal ultrasound
- Well-woman examination
- Colposcopy
- Endometrial biopsy
- Human papillomavirus testing
Subspecialty procedures
Surgeries
Most searched procedures
Contraception and office treatment
Birth Control
Contraception
Diagnostic Procedures
- Amniocentesis
Fertility
- Egg freezing
- Intrauterine Insemination (IUI)
Postpartum Care
Pregnancy & Prenatal
Preventive Care
Preventive Screening
Routine Exams
Uterine and cervical procedures
Procedures Most Often Billed to Medicare
902 services · 855 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of lining of uterus | Procedure | 58100 |
17 | More often than most peers in OB-GYN |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
374 | More than most peers in OB-GYN |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
226 | More than most peers in OB-GYN |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
123 | More than most peers in OB-GYN |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
107 | More than most peers in OB-GYN |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
35 | More often than most peers in OB-GYN |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
20 | As often as other peers in OB-GYN |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other OB-GYNs at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other OB-GYNs in Westlake Village 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at R Franklin University of Med & Sci/Chicago Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at R Franklin University of Med & Sci/Chicago Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of lining of uterus 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Stephanie J. Mandelman specialize in?
Stephanie J. Mandelman is an OB-GYN in Westlake Village, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Where is Stephanie J. Mandelman located?
Stephanie J. Mandelman is listed at 1250 la Venta Dr Suite 101B, Westlake Village, CA 91361. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Stephanie J. Mandelman's phone number?
The number on file is (805) 496-0880. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Stephanie J. Mandelman's NPI number?
Stephanie J. Mandelman's National Provider Identifier is 1851315196. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Stephanie J. Mandelman train?
Stephanie J. Mandelman attended R Franklin University of Med & Sci/Chicago Medical School, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Stephanie J. Mandelman been practicing?
Stephanie J. Mandelman has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Stephanie J. Mandelman do most often?
According to Medicare billing data, Stephanie J. Mandelman performs procedures including biopsy of lining of uterus, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Stephanie J. Mandelman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Stephanie J. Mandelman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.