Physician Profile
Listed in the NPI registry as a specialist, Leslie J. Korostoff, MD practices in Glendale, CA. Leslie graduated from Saint Louis University School of Medicine in 1998. Medicare claims data shows Leslie provided 243 services to 218 patients. The services billed most often include cervical or vaginal cancer screening; pelvic and clinical breast examination, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and new patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1809 VERDUGO BLVD STE 350
Glendale, CA 91208
243 services · 218 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | Imaging | 76830 |
21 | As often as other peers in Specialist |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
105 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
59 | As often as other peers in Specialist |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
35 | More often than most peers in Specialist |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
23 | As often as other peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Korostoff is a specialist in Glendale, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Korostoff is listed at 1809 Verdugo Blvd Ste 350, Glendale, CA 91208. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (818) 790-8121. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Korostoff's National Provider Identifier is 1417096959. 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
Dr. Korostoff attended Saint Louis University School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
Dr. Korostoff has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Korostoff performs imaging including ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Korostoff. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.