DR. SEDA GRAGOSSIAN PHD
NPI 1548460835
Psychologist - Addiction (Substance Use Disorder) in San Diego, CA
About Dr. Seda Gragossian Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SEDA GRAGOSSIAN PHD (NPI 1548460835) is an individual addiction (substance use disorder) provider in San Diego, California, licensed in California (24901) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2010).
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. Seda Gragossian Phd 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 Seda Gragossian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92121
- Reassigned Medicare billing, California and Florida enrollments
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92121
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 Seda Gragossian's NPI number?
The NPI number for Seda Gragossian is 1548460835. It was assigned to this individual provider in the NPPES registry on July 24, 2007.
Where is Seda Gragossian located?
Seda Gragossian practices at 5935 Cornerstone Ct W Suite 125, San Diego, CA 92121. The listed phone number is (858) 205-2490.
What is Seda Gragossian's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Addiction (Substance Use Disorder), with taxonomy code 103TA0400X.
Is Seda Gragossian enrolled in Medicare?
Yes. Seda Gragossian 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 Seda Gragossian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seda Gragossian reassigns Medicare benefits to Talk Therapy Psychology Center, Corp. (San Diego, 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 Seda Gragossian'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 Seda Gragossian was last updated on October 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Seda Gragossian, PHD · NPI 1548460835
Addiction (Substance Use Disorder) provider in San Diego, California. Individual provider, active in the CMS NPPES registry since July 24, 2007.
## Identity
- **NPI:** 1548460835 (Entity type: Individual)
- **Enumerated:** July 24, 2007
- **Primary specialty:** Psychologist - Addiction (Substance Use Disorder) · taxonomy 103TA0400X
- **State license:** 24901 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5935 CORNERSTONE CT W, SUITE 125, San Diego, CA 92121-3737
- **Phone:** (858) 205-2490
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Talk Therapy Psychology Center, Corp. (NPI 1013368141, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** October 14, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1548460835) · Data from the CMS NPPES public registry.