MARY THERESE DEASON PT
NPI 1336217603
Physical Therapist in Spring Valley, CA
About Mary Therese Deason Pt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY THERESE DEASON PT (NPI 1336217603) is an individual physical therapist in Spring Valley, California, licensed in California (PT15698) and active in the NPI registry since December 2006. She is a graduate of Other (1988).
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
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
Mary Therese Deason Pt 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 Mary Deason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Spring Valley, CA 91978
- Reassigned Medicare billing, California enrollment
- 3 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.
Areas of Expertise CMS Part B claims 7
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91978 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRING VALLEY, CA 91978
SPRING VALLEY, CA 91978
SPRING VALLEY, CA 91978
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 Mary Deason's NPI number?
The NPI number for Mary Deason is 1336217603. It was assigned to this individual provider in the NPPES registry on December 2, 2006.
Where is Mary Deason located?
Mary Deason practices at 10225 Austin Dr Suite 106, Spring Valley, CA 91978. The listed phone number is (619) 660-8895.
What is Mary Deason's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Mary Deason enrolled in Medicare?
Yes. Mary Deason 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 Mary Deason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Deason reassigns Medicare benefits to Deason Inc (Spring Valley, 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 Mary Deason'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 Mary Deason was last updated on May 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Mary Therese Deason, PT · NPI 1336217603
Physical Therapist provider in Spring Valley, California. Individual provider, active in the CMS NPPES registry since December 2, 2006.
## Identity
- **NPI:** 1336217603 (Entity type: Individual)
- **Enumerated:** December 2, 2006
- **Primary specialty:** Physical Therapist · taxonomy 225100000X
- **State license:** PT15698 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 10225 AUSTIN DR, SUITE 106, Spring Valley, CA 91978-1500
- **Phone:** (619) 660-8895 · **Fax:** (619) 660-8697
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Deason Inc (NPI 1205903861, Spring Valley, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** May 3, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1336217603) · Data from the CMS NPPES public registry.