DR. STEPHEN TIM YIP D.O.
NPI 1841580263
Family Medicine in El Cajon, CA
About Dr. Stephen Tim Yip D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN TIM YIP D.O. (NPI 1841580263) is an individual family medicine provider in El Cajon, California, licensed in California (20A15005) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2011).
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
Dr. Stephen Tim Yip D.o. 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 Stephen Yip reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92120
- 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 92021 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 Stephen Yip's NPI number?
The NPI number for Stephen Yip is 1841580263. It was assigned to this individual provider in the NPPES registry on April 19, 2011.
Where is Stephen Yip located?
Stephen Yip practices at 1630 E Main St, El Cajon, CA 92021. The listed phone number is (619) 590-4107.
What is Stephen Yip's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Stephen Yip enrolled in Medicare?
Yes. Stephen Yip 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 Stephen Yip's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Yip reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Stephen Yip'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 Stephen Yip 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.
# Dr. Stephen Tim Yip, D.O. · NPI 1841580263
Family Medicine physician in El Cajon, California. Individual provider, active in the CMS NPPES registry since April 19, 2011.
## Identity
- **NPI:** 1841580263 (Entity type: Individual)
- **Enumerated:** April 19, 2011
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A15005 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1630 E MAIN ST, El Cajon, CA 92021-5204
- **Phone:** (619) 590-4107
## 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 1225060742, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** December 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1841580263) · Data from the CMS NPPES public registry.