DR. CYAN KOLOMYJEC MCFARLANE MD
NPI 1629539481
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Valencia, CA
About Dr. Cyan Kolomyjec Mcfarlane Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CYAN KOLOMYJEC MCFARLANE MD (NPI 1629539481) is an individual preventive medicine/occupational environmental medicine provider in Valencia, California, licensed in California (A196811) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Cyan Kolomyjec Mcfarlane Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Cyan Mcfarlane reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Clarita, CA 91387
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
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.
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.
VALENCIA, CA 91355
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 Cyan Mcfarlane's NPI number?
The NPI number for Cyan Mcfarlane is 1629539481. It was assigned to this individual provider in the NPPES registry on March 26, 2019.
Where is Cyan Mcfarlane located?
Cyan Mcfarlane practices at 27235 Tourney Rd Ste 2500, Valencia, CA 91355. The listed phone number is (661) 253-5851.
What is Cyan Mcfarlane's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Preventive Medicine/Occupational Environmental Medicine, with taxonomy code 2083P0500X.
Is Cyan Mcfarlane enrolled in Medicare?
Yes. Cyan Mcfarlane is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Cyan Mcfarlane's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cyan Mcfarlane reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Santa Clarita, CA) and The Regents Of The University Of California (Los Angeles, CA). Each 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 Cyan Mcfarlane'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 Cyan Mcfarlane was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.
# Dr. Cyan Kolomyjec Mcfarlane, MD · NPI 1629539481
Preventive Medicine/Occupational Environmental Medicine physician in Valencia, California. Individual provider, active in the CMS NPPES registry since March 26, 2019.
## Identity
- **NPI:** 1629539481 (Entity type: Individual)
- **Enumerated:** March 26, 2019
- **Primary specialty:** Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine · taxonomy 2083P0500X
- **State license:** A196811 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 27235 TOURNEY RD STE 2500, Valencia, CA 91355-5908
- **Phone:** (661) 253-5851
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1316409410, Santa Clarita, CA); The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** March 31, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1629539481) · Data from the CMS NPPES public registry.