Leslie Korostoff, MD
NPI 1417096959 · Specialist · Glendale, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leslie Korostoff, MD is a Specialist provider in Glendale, CA (NPI 1417096959).
Provider details
- NPI number
- 1417096959
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A96824 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
243 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 105 | $43 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 59 | $62 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 35 | $79 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 23 | $50 |
| Ultrasound Scan of Uterus, Ovaries, Tubes, Cervix and Pelvic Area Through Vagina76830 | 21 | $136 |
Typical Medicare-allowed amounts for these services range $43–$136 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 102 | 34 |
| Estradiolbrand: Estradiol (twice Weekly) | 31 | — |
| Progesterone, Micronizedbrand: Progesterone | 27 | — |
| Estradiolbrand: Yuvafem | 17 | — |
| Acyclovir | 12 | — |
| Levothyroxine Sodium | 12 | — |
| Nystatin/Triamcinolone Acetbrand: Nystatin-Triamcinolone | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$355 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-05
- Last updated
- 2022-07-27
- Certified
- 2022-07-27
Frequently asked questions
- What is Leslie Korostoff's NPI number?
- Leslie Korostoff's National Provider Identifier (NPI) is 1417096959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Korostoff's specialty?
- Leslie Korostoff is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Leslie Korostoff located?
- Leslie Korostoff's practice location on file with NPPES is 1809 Verdugo Blvd, Glendale, CA 91208-1476.
- What is Leslie Korostoff's phone number?
- The practice phone number listed in the NPPES registry for Leslie Korostoff is (818) 790-8121.
- Does Leslie Korostoff accept Medicare?
- Leslie Korostoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leslie Korostoff's NPI active?
- Yes — Leslie Korostoff's NPI (1417096959) is active in the NPPES registry as of the last update on 2022-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.