DR. ERIK MICHAEL GRACER MD
NPI 1457447898
Family Medicine in San Ramon, CA
About Dr. Erik Michael Gracer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIK MICHAEL GRACER MD (NPI 1457447898) is an individual family medicine provider in San Ramon, California, licensed in California (A67244) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Erik Michael Gracer 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 Reassignment
Medicare enrollment records show Erik Gracer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 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 15
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 94582 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN RAMON, CA 94582
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 Erik Gracer's NPI number?
The NPI number for Erik Gracer is 1457447898. It was assigned to this individual provider in the NPPES registry on October 5, 2006.
Where is Erik Gracer located?
Erik Gracer practices at 11030 Bollinger Canyon Rd Ste 200, San Ramon, CA 94582. The listed phone number is (925) 362-1001.
What is Erik Gracer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Erik Gracer enrolled in Medicare?
Yes. Erik Gracer 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 organization bills Medicare for Erik Gracer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erik Gracer reassigns Medicare benefits to John Muir Physician Network (Walnut Creek, CA). The 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 Erik Gracer'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 Erik Gracer was last updated on February 29, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Erik Michael Gracer, MD · NPI 1457447898
Family Medicine physician in San Ramon, California. Individual provider, active in the CMS NPPES registry since October 5, 2006.
## Identity
- **NPI:** 1457447898 (Entity type: Individual)
- **Enumerated:** October 5, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A67244 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11030 BOLLINGER CANYON RD, STE 200, San Ramon, CA 94582-4874
- **Phone:** (925) 362-1001 · **Fax:** (925) 855-7020
## 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:** John Muir Physician Network (NPI 1841407665, Walnut Creek, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 1997
## Record status
- **NPPES last updated:** February 29, 2012
- **Other identifiers:** Medicare ID-Type Unspecified ZZZ01504Z (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1457447898) · Data from the CMS NPPES public registry.