DR. THOMAS SCHARES M.D.
NPI 1992864573
Anesthesiology in Duarte, CA
About Dr. Thomas Schares M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS SCHARES M.D. (NPI 1992864573) is an individual anesthesiology provider in Duarte, California, licensed in California (A36778) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Corvallis, and is a graduate of Baylor College Of Medicine (1980).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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. Thomas Schares 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
12Medicare enrollment records show Thomas Schares reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Valencia, CA 91355
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 270 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 183 clinicians in this Medicare group
Goleta, CA 93117
- Reassigned Medicare billing, California enrollment
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Anesthesia Services Of San Joaquin PC
- 217 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 176 clinicians in this Medicare group
Farmington, NM 87401
- Reassigned Medicare billing, New Mexico enrollment
- 81 clinicians in this Medicare group
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 419 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.
DUARTE, CA 91010
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 Thomas Schares's NPI number?
The NPI number for Thomas Schares is 1992864573. It was assigned to this individual provider in the NPPES registry on December 8, 2006.
Where is Thomas Schares located?
Thomas Schares practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (800) 826-4673.
What is Thomas Schares's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Thomas Schares enrolled in Medicare?
Yes. Thomas Schares 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 Thomas Schares's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Schares reassigns Medicare benefits to 12 organizations: City Of Hope Medical Foundation (Duarte, CA), Cep America - Anesthesia PC (Valencia, CA), Palm Springs Anesthesia Services, PC (San Bernardino, CA), Presidio Anesthesia Group PC (Santa Barbara, CA), Coachella Valley Anesthesia A Professional Corporation (Bakersfield, CA) and 7 more organizations, listed in the Medicare section above. 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 Thomas Schares's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Schares accept?
Health plans from Blue Cross and Blue Shield of Texas list Thomas Schares 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 Thomas Schares was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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. Thomas Schares, M.D. · NPI 1992864573
Anesthesiology physician in Duarte, California. Individual provider, active in the CMS NPPES registry since December 8, 2006.
## Identity
- **NPI:** 1992864573 (Entity type: Individual)
- **Enumerated:** December 8, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A36778 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 DUARTE RD, Duarte, CA 91010-3012
- **Phone:** (800) 826-4673
## 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:** 12 organizations under Medicare reassignment (form CMS-855R): City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA); Cep America - Anesthesia PC (NPI 1396423067, Valencia, CA); Palm Springs Anesthesia Services, PC (NPI 1083928501, San Bernardino, CA); Presidio Anesthesia Group PC (NPI 1225977366, Santa Barbara, CA); Coachella Valley Anesthesia A Professional Corporation (NPI 1013662048, Bakersfield, CA); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 1980
## Record status
- **NPPES last updated:** September 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992864573) · Data from the CMS NPPES public registry.