DARREN TESHIMA
NPI 1659696128
Hospitalist in San Diego, CA
About Darren Teshima NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DARREN TESHIMA (NPI 1659696128) is an individual hospitalist provider in San Diego, California, licensed in California (A119251) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2010).
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
Darren Teshima 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
2Medicare enrollment records show Darren Teshima reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 1,598 clinicians in this Medicare group
La Jolla, CA 92037
- Reassigned Medicare billing, California enrollment
- 278 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 2
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 92103 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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Darren Teshima's NPI number?
The NPI number for Darren Teshima is 1659696128. It was assigned to this individual provider in the NPPES registry on March 29, 2010.
Where is Darren Teshima located?
Darren Teshima practices at 4077 Fifth Ave, San Diego, CA 92103. The listed phone number is (619) 260-7220.
What is Darren Teshima's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Darren Teshima enrolled in Medicare?
Yes. Darren Teshima 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 Darren Teshima's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Darren Teshima reassigns Medicare benefits to 2 organizations: Scripps Health (San Diego, CA) and Scripps Health Inpatient Providers Medical Group Inc. (La Jolla, 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 Darren Teshima'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 Darren Teshima was last updated on March 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Darren Teshima · NPI 1659696128
Hospitalist physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 29, 2010.
## Identity
- **NPI:** 1659696128 (Entity type: Individual)
- **Enumerated:** March 29, 2010
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A119251 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4077 FIFTH AVE, San Diego, CA 92103-2105
- **Phone:** (619) 260-7220
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Scripps Health (NPI 1659359446, San Diego, CA); Scripps Health Inpatient Providers Medical Group Inc. (NPI 1699043000, La Jolla, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Hawaii John A. Burns School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** March 13, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1659696128) · Data from the CMS NPPES public registry.