SANDY RAMIREZ MD
NPI 1902185218
Hospitalist in Walnut Creek, CA
About Sandy Ramirez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SANDY RAMIREZ MD (NPI 1902185218) is an individual hospitalist provider in Walnut Creek, California, licensed in California (A127615) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Sandy Ramirez 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
4Medicare enrollment records show Sandy Ramirez reassigns Medicare billing to 4 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
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Alameda, CA 94501
- Reassigned Medicare billing, California enrollment
- 22 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 7
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94595 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Sandy Ramirez's NPI number?
The NPI number for Sandy Ramirez is 1902185218. It was assigned to this individual provider in the NPPES registry on August 4, 2011.
Where is Sandy Ramirez located?
Sandy Ramirez practices at 1220 Rossmoor Pkwy, Walnut Creek, CA 94595. The listed phone number is (925) 947-3312.
What is Sandy Ramirez's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Sandy Ramirez enrolled in Medicare?
Yes. Sandy Ramirez 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 Sandy Ramirez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sandy Ramirez reassigns Medicare benefits to 4 organizations: John Muir Trauma Physicians Billing Service (Walnut Creek, CA), John Muir Physician Network (Walnut Creek, CA), Sutter Bay Medical Foundation (Orinda, CA) and Alameda Inpatient Medical Inc (Alameda, CA). 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 Sandy Ramirez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sandy Ramirez was last updated on August 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Sandy Ramirez, MD · NPI 1902185218
Hospitalist physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since August 4, 2011.
## Identity
- **NPI:** 1902185218 (Entity type: Individual)
- **Enumerated:** August 4, 2011
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A127615 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1220 ROSSMOOR PKWY, Walnut Creek, CA 94595-2501
- **Phone:** (925) 947-3312
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): John Muir Trauma Physicians Billing Service (NPI 1093864837, Walnut Creek, CA); John Muir Physician Network (NPI 1841407665, Walnut Creek, CA); Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Alameda Inpatient Medical Inc (NPI 1588673750, Alameda, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** August 19, 2024
- **Other identifiers:** Other ZZZ47768Z (CA); Other A127615 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1902185218) · Data from the CMS NPPES public registry.