MARIIA SEN LMFT
NPI 1598204117
Marriage & Family Therapist in Pasadena, CA
About Mariia Sen Lmft NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIIA SEN LMFT (NPI 1598204117) is an individual marriage & family therapist in Pasadena, California, licensed in California (120716) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in South Pasadena, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
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
Mariia Sen Lmft 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 Mariia Sen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Scottsdale, AZ 85253
- Reassigned Medicare billing, California enrollment
- 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.
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.
PASADENA, CA 91105
PASADENA, CA 91105
PASADENA, CA 91105
PASADENA, CA 91105
PASADENA, CA 91105
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 Mariia Sen's NPI number?
The NPI number for Mariia Sen is 1598204117. It was assigned to this individual provider in the NPPES registry on February 15, 2017.
Where is Mariia Sen located?
Mariia Sen practices at 675 S Arroyo Pkwy Ste 420, Pasadena, CA 91105. The listed phone number is (925) 282-1778.
What is Mariia Sen's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Mariia Sen enrolled in Medicare?
Yes. Mariia Sen 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 Mariia Sen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariia Sen reassigns Medicare benefits to Pacific Coast Psychiatric Associates Inc (Scottsdale, AZ). 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 Mariia Sen'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 Mariia Sen was last updated on February 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Mariia Sen, LMFT · NPI 1598204117
Marriage & Family Therapist provider in Pasadena, California. Individual provider, active in the CMS NPPES registry since February 15, 2017.
## Identity
- **NPI:** 1598204117 (Entity type: Individual)
- **Enumerated:** February 15, 2017
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** 120716 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 675 S ARROYO PKWY STE 420, Pasadena, CA 91105-3215
- **Phone:** (925) 282-1778
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Pacific Coast Psychiatric Associates Inc (NPI 1023125465, Scottsdale, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** February 20, 2025
- **Other identifiers:** Other 7667 (CA); Other 7184 (CA); Other 7368 (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1598204117) · Data from the CMS NPPES public registry.