CALVIN KEUNCHAN YANG
NPI 1639678485
Marriage & Family Therapist in Los Angeles, CA
About Calvin Keunchan Yang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CALVIN KEUNCHAN YANG (NPI 1639678485) is an individual marriage & family therapist in Los Angeles, California, licensed in California (LMFT130447) and active in the NPI registry since February 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Calvin Keunchan Yang 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 Reassignment
Medicare enrollment records show Calvin Yang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- 13,921 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.
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.
LOS ANGELES, CA 90020
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 Calvin Yang's NPI number?
The NPI number for Calvin Yang is 1639678485. It was assigned to this individual provider in the NPPES registry on February 7, 2018.
Where is Calvin Yang located?
Calvin Yang practices at 3727 W 6th St Ste 320, Los Angeles, CA 90020. The listed phone number is (213) 235-4855.
What is Calvin Yang's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Calvin Yang enrolled in Medicare?
Yes. Calvin Yang 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 organization bills Medicare for Calvin Yang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Calvin Yang reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, 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 Calvin Yang'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 Calvin Yang was last updated on July 21, 2022. 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.
# Calvin Keunchan Yang · NPI 1639678485
Marriage & Family Therapist provider in Los Angeles, California. Individual provider, active in the CMS NPPES registry since February 7, 2018.
## Identity
- **NPI:** 1639678485 (Entity type: Individual)
- **Enumerated:** February 7, 2018
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** LMFT130447 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3727 W 6TH ST STE 320, Los Angeles, CA 90020
- **Phone:** (213) 235-4855 · **Fax:** (213) 394-3022
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1134151657, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1639678485) · Data from the CMS NPPES public registry.