PATRICIA L SIZA MD
NPI 1619168028
Family Medicine in Anchorage, AK
About Patricia L Siza Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICIA L SIZA MD (NPI 1619168028) is an individual family medicine provider in Anchorage, Alaska, licensed in Alaska (123295) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Multicare Good Samaritan Hospital, and is a graduate of University Of Kentucky College Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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
Patricia L Siza Md 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 Patricia Siza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Gig Harbor, WA 98335
- Reassigned Medicare billing, Washington enrollment
- 4,383 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 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Multicare Good Samaritan Hospital
Acute Care Hospitals · Puyallup, WATacoma General Allenmore Hospital
Acute Care Hospitals · Tacoma, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99508 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Patricia Siza's NPI number?
The NPI number for Patricia Siza is 1619168028. It was assigned to this individual provider in the NPPES registry on August 9, 2007.
Where is Patricia Siza located?
Patricia Siza practices at 1201 E 36th Ave, Anchorage, AK 99508. The listed phone number is (907) 562-9229.
What is Patricia Siza's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Patricia Siza enrolled in Medicare?
Yes. Patricia Siza 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 Patricia Siza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Siza reassigns Medicare benefits to Multicare Health System (Gig Harbor, WA). 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 Patricia Siza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patricia Siza accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Patricia Siza as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Patricia Siza affiliated with any hospitals?
According to CMS data, Patricia Siza is affiliated with Multicare Good Samaritan Hospital and Tacoma General Allenmore Hospital.
When was this NPI record last updated?
The NPPES record for Patricia Siza was last updated on July 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Patricia L Siza, MD · NPI 1619168028
Family Medicine physician in Anchorage, Alaska. Individual provider, active in the CMS NPPES registry since August 9, 2007.
## Identity
- **NPI:** 1619168028 (Entity type: Individual)
- **Enumerated:** August 9, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 123295 (Alaska)
- **Sole proprietor:** No
## Practice location
- **Address:** 1201 E 36TH AVE, Anchorage, AK 99508-4372
- **Phone:** (907) 562-9229
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Multicare Health System (NPI 1225674963, Gig Harbor, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kentucky College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** July 6, 2020
- **Other identifiers:** Medicaid 1670705 (AK)
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Source: [NPI Profile](https://npiprofile.com/npi/1619168028) · Data from the CMS NPPES public registry.