RANDY SIY P.T.
NPI 1497127187
Physical Therapist - Geriatrics in Timonium, MD
About Randy Siy P.t. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RANDY SIY P.T. (NPI 1497127187) is an individual geriatrics provider in Timonium, Maryland, licensed in Maryland (23121) and active in the NPI registry since October 2015. He maintains a secondary practice location in Owings Mills and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Group Practice 1
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
Randy Siy P.t. 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 Randy Siy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Timonium, MD 21093
- Reassigned Medicare billing, Maryland enrollment
- 1,253 clinicians in this Medicare group
Owings Mills, MD 21117
- Reassigned Medicare billing, Maryland enrollment
- 7 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.
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 Randy Siy's NPI number?
The NPI number for Randy Siy is 1497127187. It was assigned to this individual provider in the NPPES registry on October 21, 2015.
Where is Randy Siy located?
Randy Siy practices at 515 Brightfield Rd, Timonium, MD 21093. The listed phone number is (410) 296-1990.
What is Randy Siy's specialty?
The primary specialty registered for this NPI is Physical Therapist, specializing in Geriatrics, with taxonomy code 2251G0304X.
Is Randy Siy enrolled in Medicare?
Yes. Randy Siy 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 Randy Siy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Randy Siy reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Timonium, MD) and Lee Miller Rehabilitation Associates LLC (Owings Mills, MD). 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 Randy Siy'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 Randy Siy was last updated on October 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Randy Siy, P.T. · NPI 1497127187
Geriatrics provider in Timonium, Maryland. Individual provider, active in the CMS NPPES registry since October 21, 2015.
## Identity
- **NPI:** 1497127187 (Entity type: Individual)
- **Enumerated:** October 21, 2015
- **Primary specialty:** Physical Therapist - Geriatrics · taxonomy 2251G0304X
- **State license:** 23121 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 515 BRIGHTFIELD RD, Timonium, MD 21093-3643
- **Phone:** (410) 296-1990
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1467114207, Timonium, MD); Lee Miller Rehabilitation Associates LLC (NPI 1588877153, Owings Mills, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 14, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1497127187) · Data from the CMS NPPES public registry.