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IRINA CHERNISHOF M.D.
NPI 1528408473
Family Medicine in Santa Clarita, CA

Active since June 25, 2013PECOS Enrolled
27107 TOURNEY RD, SANTA CLARITA, CA 91355(888) 778-5000 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 30, 2021, Sep 22, 2016 (2 updates tracked since 2016).

About Irina Chernishof M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IRINA CHERNISHOF M.D. (NPI 1528408473) is an individual family medicine provider in Santa Clarita, California, licensed in California (A139722) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1528408473
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameIRINA CHERNISHOFCredential: M.D.
Location Address27107 TOURNEY RDSanta Clarita, CA 91355-1860
Mailing Address27107 Tourney RdSanta Clarita, CA 91355-1860 · (888) 778-5000
Phone(888) 778-5000
Sole ProprietorYes
Enumeration DateJune 25, 2013
Last NPPES UpdateNovember 30, 20212 updates tracked since enumeration
NPPES CertifiedNovember 30, 2021
✔ NPI 1528408473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A139722
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
27107 TOURNEY RD, Santa Clarita, CA 91355
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Irina Chernishof M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Irina Chernishof reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
6.6 mi
Health Maintenance Organization
19105 GOLDEN VALLEY RD
Santa Clarita, CA 91387
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1316409410 (877) 608-0044

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANDREW SEONG
Pharmacist
27107 TOURNEY RD
SANTA CLARITA, CA 91355
Los Angeles County (888) 778-5000
MS. MAGDALENA STEVENS D.O.
Family Medicine
27107 TOURNEY RD
SANTA CLARITA, CA 91355
Los Angeles County (661) 222-2108
DAVID PARK LEE MD
Family Medicine
27107 TOURNEY RD
SANTA CLARITA, CA 91355
Los Angeles County (888) 778-5000
YOUNG SONG PHARM.D
Pharmacist
27107 TOURNEY RD
SANTA CLARITA, CA 91355
Los Angeles County (661) 222-2155
DR. CATHERINE COTTERMAN CLOSE MD
Dermatology
27107 TOURNEY RD, DEPARTMENT OF DERMATOLOGY
SANTA CLARITA, CA 91355
Los Angeles County (888) 788-5000
PHILIP PALACIO
Pharmacist
27107 TOURNEY RD
SANTA CLARITA, CA 91355
Los Angeles County (661) 222-2155
DR. STACY J CLARK D.O.
Family Medicine
27107 TOURNEY RD
SANTA CLARITA, CA 91355
Los Angeles County (661) 222-2154
ERICA ELIZABETH TAN DO
Family Medicine
27107 TOURNEY RD
SANTA CLARITA, CA 91355
Los Angeles County (833) 574-2273

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Irina Chernishof's NPI number?

The NPI number for Irina Chernishof is 1528408473. It was assigned to this individual provider in the NPPES registry on June 25, 2013.

Where is Irina Chernishof located?

Irina Chernishof practices at 27107 Tourney Rd, Santa Clarita, CA 91355. The listed phone number is (888) 778-5000.

What is Irina Chernishof's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Irina Chernishof enrolled in Medicare?

Yes. Irina Chernishof is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Irina Chernishof's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irina Chernishof reassigns Medicare benefits to Southern California Permanente Medical Group (Santa Clarita, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Irina Chernishof's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Irina Chernishof was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.