REID RUBSAMEN MD
NPI 1073549499
Anesthesiology in Walnut Creek, CA
About Reid Rubsamen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REID RUBSAMEN MD (NPI 1073549499) is an individual anesthesiology provider in Walnut Creek, California, licensed in California (G58123) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Uh Cleveland Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Reid Rubsamen 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 Reassignments
9Medicare enrollment records show Reid Rubsamen reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Reno, NV 89503
- Reassigned Medicare billing, Nevada enrollment
- 60 clinicians in this Medicare group
Aberdeen, WA 98520
- Reassigned Medicare billing, Washington enrollment
- 190 clinicians in this Medicare group
Olympia, WA 98502
- Reassigned Medicare billing, Washington enrollment
- 220 clinicians in this Medicare group
Cedar Rapids, IA 52401
- Reassigned Medicare billing, Iowa enrollment
- Medicare enrollment name: Mercy Medical Center
- 387 clinicians in this Medicare group
Lorain, OH 44053
- Reassigned Medicare billing, Ohio enrollment
- 1,437 clinicians in this Medicare group
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 clinicians in this Medicare group
Belpre, OH 45714
- Reassigned Medicare billing, West Virginia enrollment
- 1,511 clinicians in this Medicare group
Burlington, VT 05401
- Reassigned Medicare billing, Vermont enrollment
- 1,643 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Uh Cleveland Medical Center
Acute Care Hospitals · Cleveland, OHCentral Vermont Medical Center
Acute Care Hospitals · Barre, VTUniv. Of Vermont - Fletcher Allen Health Care
Acute Care Hospitals · Burlington, VTGrays Harbor Community Hospital
Acute Care Hospitals · Aberdeen, WACharleston Area Medical Center
Acute Care Hospitals · Charleston, WVMedicare 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.
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
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 Reid Rubsamen's NPI number?
The NPI number for Reid Rubsamen is 1073549499. It was assigned to this individual provider in the NPPES registry on June 25, 2006.
Where is Reid Rubsamen located?
Reid Rubsamen practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. The listed phone number is (925) 939-3000.
What is Reid Rubsamen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Reid Rubsamen enrolled in Medicare?
Yes. Reid Rubsamen 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 Reid Rubsamen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Reid Rubsamen reassigns Medicare benefits to 9 organizations: John Muir Trauma Physicians Billing Service (Walnut Creek, CA), Metcalf, Tiller & Chen, Inc. (Reno, NV), Grays Harbor Community Hospital (Aberdeen, WA), Capital Medical Center Specialty Physicians, LLC (Olympia, WA), Family Practice Center (Cedar Rapids, IA) and 4 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 Reid Rubsamen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Reid Rubsamen accept?
Health plans from Ambetter Health, Anthem Blue Cross and Blue Shield, CareSource, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Reid Rubsamen 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 Reid Rubsamen affiliated with any hospitals?
According to CMS data, Reid Rubsamen is affiliated with Uh Cleveland Medical Center, Central Vermont Medical Center, Univ. Of Vermont - Fletcher Allen Health Care, Grays Harbor Community Hospital and Charleston Area Medical Center.
When was this NPI record last updated?
The NPPES record for Reid Rubsamen was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Reid Rubsamen, MD · NPI 1073549499
Anesthesiology physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since June 25, 2006.
## Identity
- **NPI:** 1073549499 (Entity type: Individual)
- **Enumerated:** June 25, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G58123 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1601 YGNACIO VALLEY RD, Walnut Creek, CA 94598-3122
- **Phone:** (925) 939-3000 · **Fax:** (925) 947-5286
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): John Muir Trauma Physicians Billing Service (NPI 1962551861, Walnut Creek, CA); Metcalf, Tiller & Chen, Inc. (NPI 1811237431, Reno, NV); Grays Harbor Community Hospital (NPI 1821573965, Aberdeen, WA); Capital Medical Center Specialty Physicians, LLC (NPI 1760785281, Olympia, WA); Family Practice Center (NPI 1518946953, Cedar Rapids, IA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** July 16, 2026
- **Other identifiers:** Medicaid 00G581230 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1073549499) · Data from the CMS NPPES public registry.