DR. JOHN CHO MD
NPI 1114245990
Radiology - Diagnostic Radiology in Gaithersburg, MD
About Dr. John Cho Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN CHO MD (NPI 1114245990) is an individual diagnostic radiology provider in Gaithersburg, Maryland, licensed in Washington (MD70016363) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Boone Hospital Center, and maintains a secondary practice location in Tacoma.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
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. John Cho 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 Reassignments
22Medicare enrollment records show John Cho reassigns Medicare billing to 22 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 118 clinicians in this Medicare group
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Eldersburg, MD 21784
- Reassigned Medicare billing, Maryland enrollment
- 664 clinicians in this Medicare group
Johnstown, PA 15905
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 2 clinicians in this Medicare group
Youngstown, OH 44504
- Reassigned Medicare billing, Ohio enrollment
- 744 clinicians in this Medicare group
Welch, WV 24801
- Reassigned Medicare billing, West Virginia enrollment
- 77 clinicians in this Medicare group
Columbus, OH 43215
- Reassigned Medicare billing, District of Columbia enrollment
- 12 clinicians in this Medicare group
Lexington, KY 40517
- Reassigned Medicare billing, Kentucky enrollment
- 999 clinicians in this Medicare group
Louisville, KY 40241
- Reassigned Medicare billing, Kentucky enrollment
- 2,337 clinicians in this Medicare group
Chicago, IL 60611
- Reassigned Medicare billing, District of Columbia enrollment
- 5 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 78
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boone Hospital Center
Acute Care Hospitals · Columbia, MORenown Regional Medical Center
Acute Care Hospitals · Reno, NVConemaugh Nason Medical Center
Acute Care Hospitals · Roaring Spring, PAConemaugh Memorial Medical Center
Acute Care Hospitals · Johnstown, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20878 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 2
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 John Cho's NPI number?
The NPI number for John Cho is 1114245990. It was assigned to this individual provider in the NPPES registry on May 4, 2010.
Where is John Cho located?
John Cho practices at 820 W Diamond Ave Ste 600, Gaithersburg, MD 20878. The listed phone number is (301) 315-3030.
What is John Cho's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is John Cho enrolled in Medicare?
Yes. John Cho 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 John Cho's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Cho reassigns Medicare benefits to 22 organizations: Blackwell Physicians, LLC (Rockville, MD), Medical Faculty Associates, Inc (Washington, DC), Sinai Hospital Of Baltimore Inc (Eldersburg, MD), Cambria Somerset Radiology & Nuclear Medicine Group, Inc. (Johnstown, PA), Mercy Health Physicians Youngstown Specialty Care LLC (Youngstown, OH) and 17 more organizations, listed in the Medicare section above. 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 John Cho's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Cho accept?
Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., Blue Care Network of Michigan, Blue Cross Blue Shield of Arizona and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list John Cho as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Cho affiliated with any hospitals?
According to CMS data, John Cho is affiliated with Boone Hospital Center, Renown Regional Medical Center, Conemaugh Nason Medical Center and Conemaugh Memorial Medical Center.
When was this NPI record last updated?
The NPPES record for John Cho was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. John Cho, MD · NPI 1114245990
Diagnostic Radiology physician in Gaithersburg, Maryland. Individual provider, active in the CMS NPPES registry since May 4, 2010.
## Identity
- **NPI:** 1114245990 (Entity type: Individual)
- **Enumerated:** May 4, 2010
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** MD70016363 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 820 W DIAMOND AVE STE 600, Gaithersburg, MD 20878-1469
- **Phone:** (301) 315-3030
## 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:** 22 organizations under Medicare reassignment (form CMS-855R): Blackwell Physicians, LLC (NPI 1932772589, Rockville, MD); Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Sinai Hospital Of Baltimore Inc (NPI 1568225282, Eldersburg, MD); Cambria Somerset Radiology & Nuclear Medicine Group, Inc. (NPI 1730107590, Johnstown, PA); Mercy Health Physicians Youngstown Specialty Care LLC (NPI 1609544055, Youngstown, OH); and 17 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** August 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1114245990) · Data from the CMS NPPES public registry.