MR. CHOON SOO RIM MD
NPI 1083827273
Psychiatry & Neurology - Neurology in San Diego, CA
About Mr. Choon Soo Rim Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. CHOON SOO RIM MD (NPI 1083827273) is an individual neurology provider in San Diego, California, licensed in California (C50815) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1963).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Mr. Choon Soo Rim 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 Choon Rim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92111
- Reassigned Medicare billing, California enrollment
- 3 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
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 92123 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92123
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 Choon Rim's NPI number?
The NPI number for Choon Rim is 1083827273. It was assigned to this individual provider in the NPPES registry on May 7, 2007.
Where is Choon Rim located?
Choon Rim practices at 7920 Frost St Suite 101, San Diego, CA 92123. The listed phone number is (858) 248-6955.
What is Choon Rim's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Choon Rim enrolled in Medicare?
Yes. Choon Rim 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 Choon Rim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Choon Rim reassigns Medicare benefits to Woori Medical Group Professional Corp (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 Choon Rim'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 Choon Rim was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mr. Choon Soo Rim, MD · NPI 1083827273
Neurology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since May 7, 2007.
## Identity
- **NPI:** 1083827273 (Entity type: Individual)
- **Enumerated:** May 7, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** C50815 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 7920 FROST ST, SUITE 101, San Diego, CA 92123-2732
- **Phone:** (858) 248-6955
## 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:** Woori Medical Group Professional Corp (NPI 1275764706, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1963
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN B44058; Medicaid 1061299 (MI); Medicare ID-Type Unspecified N50380001 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1083827273) · Data from the CMS NPPES public registry.