TIMOTHY JOHN GERACI MD
NPI 1730202722
Hospitalist in Vallejo, CA
About Timothy John Geraci Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY JOHN GERACI MD (NPI 1730202722) is an individual hospitalist provider in Vallejo, California, licensed in California (A87611) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2002).
NPPES Registry Identity
Specialties & Licenses
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
Timothy John Geraci 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 Timothy Geraci reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94589 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.
VALLEJO, CA 94589
VALLEJO, CA 94589
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 Timothy Geraci's NPI number?
The NPI number for Timothy Geraci is 1730202722. It was assigned to this individual provider in the NPPES registry on April 6, 2007.
Where is Timothy Geraci located?
Timothy Geraci practices at 975 Sereno Dr 7th Floor, Vallejo, CA 94589. The listed phone number is (707) 651-2440.
What is Timothy Geraci's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Timothy Geraci enrolled in Medicare?
Yes. Timothy Geraci 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 Timothy Geraci's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Geraci reassigns Medicare benefits to Southern California Permanente Medical Group (Oxnard, 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 Timothy Geraci'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 Timothy Geraci was last updated on December 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Timothy John Geraci, MD · NPI 1730202722
Hospitalist physician in Vallejo, California. Individual provider, active in the CMS NPPES registry since April 6, 2007.
## Identity
- **NPI:** 1730202722 (Entity type: Individual)
- **Enumerated:** April 6, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A87611 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 975 SERENO DR, 7TH FLOOR, Vallejo, CA 94589-2441
- **Phone:** (707) 651-2440
## 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:** Southern California Permanente Medical Group (NPI 1275756652, Oxnard, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2002
## Record status
- **NPPES last updated:** December 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1730202722) · Data from the CMS NPPES public registry.