DR. JOHN ZACHARY HUGHES M.D./MPH
NPI 1194256297
Internal Medicine in Washington, DC
About Dr. John Zachary Hughes M.d./mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ZACHARY HUGHES M.D./MPH (NPI 1194256297) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD048395) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Columbus.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Zachary Hughes M.d./mph 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.
Areas of Expertise CMS Part B claims 11
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDVirginia Hospital Center
Acute Care Hospitals · Arlington, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WASHINGTON, DC 20016
WASHINGTON, DC 20016
WASHINGTON, DC 20016
WASHINGTON, DC 20016
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 Hughes's NPI number?
The NPI number for John Hughes is 1194256297. It was assigned to this individual provider in the NPPES registry on March 21, 2017.
Where is John Hughes located?
John Hughes practices at 5215 Loughboro Rd NW, Washington, DC 20016. The listed phone number is (202) 537-4400.
What is John Hughes's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Hughes enrolled in Medicare?
Yes. John Hughes 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.
Is John Hughes affiliated with any hospitals?
According to CMS data, John Hughes is affiliated with Johns Hopkins Hospital, The and Virginia Hospital Center.
When was this NPI record last updated?
The NPPES record for John Hughes was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 Zachary Hughes, M.D./MPH · NPI 1194256297
Internal Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since March 21, 2017.
## Identity
- **NPI:** 1194256297 (Entity type: Individual)
- **Enumerated:** March 21, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD048395 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 5215 LOUGHBORO RD NW, Washington, DC 20016-2618
- **Phone:** (202) 537-4400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Drexel University College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 3, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1194256297) · Data from the CMS NPPES public registry.