DR. GARY W. SHIH M.D.
NPI 1336324979
Anesthesiology - Critical Care Medicine in Loma Linda, CA
About Dr. Gary W. Shih M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY W. SHIH M.D. (NPI 1336324979) is an individual critical care medicine provider in Loma Linda, California, licensed in California (A107161) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Deland, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
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. Gary W. 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 Gary Shih reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Loma Linda, CA 92350
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
St. Louis, MO 63141
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Critical Care Services PC
- 6 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
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventhealth Deland
Acute Care Hospitals · Deland, FLPhoebe Sumter Medical Center
Acute Care Hospitals · Americus, GAAnmed Health
Acute Care Hospitals · Anderson, SCKershawhealth
Acute Care Hospitals · Camden, SCOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
LOMA LINDA, CA 92354
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 Gary Shih's NPI number?
The NPI number for Gary Shih is 1336324979. It was assigned to this individual provider in the NPPES registry on January 2, 2008.
Where is Gary Shih located?
Gary Shih practices at 11234 Anderson St House Staff Office Cp 21005, Loma Linda, CA 92354. The listed phone number is (909) 558-4475.
What is Gary Shih's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Gary Shih enrolled in Medicare?
Yes. Gary 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 Gary Shih's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Shih reassigns Medicare benefits to 2 organizations: Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA) and Critical Care Services, P.C. (St. Louis, MO). 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 Gary Shih's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gary Shih affiliated with any hospitals?
According to CMS data, Gary Shih is affiliated with Adventhealth Deland, Phoebe Sumter Medical Center, Anmed Health and Kershawhealth.
When was this NPI record last updated?
The NPPES record for Gary Shih was last updated on September 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Gary W. Shih, M.D. · NPI 1336324979
Critical Care Medicine physician in Loma Linda, California. Individual provider, active in the CMS NPPES registry since January 2, 2008.
## Identity
- **NPI:** 1336324979 (Entity type: Individual)
- **Enumerated:** January 2, 2008
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **State license:** A107161 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11234 ANDERSON ST, HOUSE STAFF OFFICE CP 21005, Loma Linda, CA 92354-2804
- **Phone:** (909) 558-4475 · **Fax:** (909) 558-0216
## 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): Faculty Physicians And Surgeons Of Llusm (NPI 1477503407, Loma Linda, CA); Critical Care Services, P.C. (NPI 1942256250, St. Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** September 24, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1336324979) · Data from the CMS NPPES public registry.