SI CHEN M.D.
NPI 1467794180
Internal Medicine in Bakersfield, CA
About Si Chen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SI CHEN M.D. (NPI 1467794180) is an individual internal medicine provider in Bakersfield, California, licensed in California (A138141) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Barbara, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Si Chen 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
8Medicare enrollment records show Si Chen reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 962 clinicians in this Medicare group
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 304 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 157 clinicians in this Medicare group
Agoura Hills, CA 91301
- Reassigned Medicare billing, California enrollment
- 18 clinicians in this Medicare group
Glendale, CA 91204
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- 43 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 187 clinicians in this Medicare group
Corona, CA 92879
- Reassigned Medicare billing, California enrollment
- 123 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 6
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 93306 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BAKERSFIELD, CA 93306
BAKERSFIELD, CA 93306
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 Si Chen's NPI number?
The NPI number for Si Chen is 1467794180. It was assigned to this individual provider in the NPPES registry on March 20, 2013.
Where is Si Chen located?
Si Chen practices at 1700 Mount Vernon Ave, Bakersfield, CA 93306. The listed phone number is (661) 326-2000.
What is Si Chen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Si Chen enrolled in Medicare?
Yes. Si Chen 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 Si Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Si Chen reassigns Medicare benefits to 8 organizations: Galen Inpatient Physicians PC (Bakersfield, CA), American Current Care Of California, A Medical Corporation (Bakersfield, CA), Cottage Medical Foundation (Santa Barbara, CA), Advantage Hospitalists Inc. (Agoura Hills, CA), Cedar Springs Hospitalist Medical Group, Inc. (Glendale, CA) and 3 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 Si Chen'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 Si Chen was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Si Chen, M.D. · NPI 1467794180
Internal Medicine physician in Bakersfield, California. Individual provider, active in the CMS NPPES registry since March 20, 2013.
## Identity
- **NPI:** 1467794180 (Entity type: Individual)
- **Enumerated:** March 20, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A138141 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1700 MOUNT VERNON AVE, Bakersfield, CA 93306-4018
- **Phone:** (661) 326-2000
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Galen Inpatient Physicians PC (NPI 1285403915, Bakersfield, CA); American Current Care Of California, A Medical Corporation (NPI 1952877516, Bakersfield, CA); Cottage Medical Foundation (NPI 1770352130, Santa Barbara, CA); Advantage Hospitalists Inc. (NPI 1801269881, Agoura Hills, CA); Cedar Springs Hospitalist Medical Group, Inc. (NPI 1245799279, Glendale, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** August 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1467794180) · Data from the CMS NPPES public registry.