DR. MARK M SHIH M.D.
NPI 1851366801
Physical Medicine & Rehabilitation - Pediatric Rehabilitation Medicine in Portland, OR
About Dr. Mark M Shih M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK M SHIH M.D. (NPI 1851366801) is an individual pediatric rehabilitation medicine provider in Portland, Oregon, licensed in Oregon (MD21938) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of University Of Minnesota Medical School (1994).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Dr. Mark M Shih M.d. 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 Mark Shih reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
Portland, OR 97232
- Reassigned Medicare billing, Oregon enrollment
- 719 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Mark Shih's NPI number?
The NPI number for Mark Shih is 1851366801. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is Mark Shih located?
Mark Shih practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 346-0640.
What is Mark Shih's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pediatric Rehabilitation Medicine, with taxonomy code 2081P0010X.
Is Mark Shih enrolled in Medicare?
Yes. Mark Shih 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 Mark Shih's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Shih reassigns Medicare benefits to 2 organizations: University Professional Services (Portland, OR) and Legacy Emanuel Hospital & Health Center (Portland, OR). 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 Mark Shih's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Shih accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Mark Shih 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.
When was this NPI record last updated?
The NPPES record for Mark Shih was last updated on January 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Mark M Shih, M.D. · NPI 1851366801
Pediatric Rehabilitation Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since February 22, 2006.
## Identity
- **NPI:** 1851366801 (Entity type: Individual)
- **Enumerated:** February 22, 2006
- **Primary specialty:** Physical Medicine & Rehabilitation - Pediatric Rehabilitation Medicine · taxonomy 2081P0010X
- **State license:** MD21938 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 346-0640 · **Fax:** (503) 494-4951
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Professional Services (NPI 1376709535, Portland, OR); Legacy Emanuel Hospital & Health Center (NPI 1003367491, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 1994
## Record status
- **NPPES last updated:** January 10, 2023
- **Other identifiers:** Medicaid 134153 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1851366801) · Data from the CMS NPPES public registry.