DR. JU-UN JULIAN PARK MD
NPI 1871858191
Internal Medicine in Rockville, MD
About Dr. Ju-un Julian Park Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JU-UN JULIAN PARK MD (NPI 1871858191) is an individual internal medicine provider in Rockville, Maryland, licensed in Maryland (D77204) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ju-un Julian Park Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Ju-un Park reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville, MD 20852
- Reassigned Medicare billing, District of Columbia enrollment
- 58 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, Maryland enrollment
- 270 clinicians in this Medicare group
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 210 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 20852 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.
ROCKVILLE, MD 20852
ROCKVILLE, MD 20852
ROCKVILLE, MD 20852
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 Ju-un Park's NPI number?
The NPI number for Ju-un Park is 1871858191. It was assigned to this individual provider in the NPPES registry on July 12, 2012. The provider is also known as Dr. Julian Park MD.
Where is Ju-un Park located?
Ju-un Park practices at 6000 Executive Blvd, Rockville, MD 20852. The listed phone number is (301) 468-8999.
What is Ju-un Park's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ju-un Park enrolled in Medicare?
Yes. Ju-un Park is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ju-un Park's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ju-un Park reassigns Medicare benefits to 3 organizations: Elliot R Goldstein MD & Joel R Schulman MD PA (Rockville, MD), Hospitalist Medicine Physicians Of Maryland PC (Frederick, MD) and Upmc Western Maryland Corporation (Cumberland, MD). 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 Ju-un 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 Ju-un Park was last updated on October 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.