JUSTIN JOOHWAN PARK MD
NPI 1396442992
Hospitalist in West Hollywood, CA
About Justin Joohwan Park Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTIN JOOHWAN PARK MD (NPI 1396442992) is an individual hospitalist provider in West Hollywood, California, licensed in California (A199573) and active in the NPI registry since February 2023. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2023).
NPPES Registry Identity
Specialties & Licenses 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
Justin Joohwan Park 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 Justin Park reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 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 90048 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.
WEST HOLLYWOOD, CA 90048
WEST HOLLYWOOD, CA 90048
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 Justin Park's NPI number?
The NPI number for Justin Park is 1396442992. It was assigned to this individual provider in the NPPES registry on February 14, 2023.
Where is Justin Park located?
Justin Park practices at 8700 Beverly Blvd Ste B220, West Hollywood, CA 90048. The listed phone number is (310) 423-5252.
What is Justin Park's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Justin Park enrolled in Medicare?
Yes. Justin Park 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 Justin Park's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Park reassigns Medicare benefits to Cedars-Sinai Medical Care Foundation (Los Angeles, 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 Justin Park'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 Justin Park was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Justin Joohwan Park, MD · NPI 1396442992
Hospitalist physician in West Hollywood, California. Individual provider, active in the CMS NPPES registry since February 14, 2023.
## Identity
- **NPI:** 1396442992 (Entity type: Individual)
- **Enumerated:** February 14, 2023
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A199573 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8700 BEVERLY BLVD STE B220, West Hollywood, CA 90048-1804
- **Phone:** (310) 423-5252
## 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:** Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** July 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1396442992) · Data from the CMS NPPES public registry.