DR. MONICA MITTAL HENNESSEY M.D.
NPI 1528283041
Emergency Medicine in Washington, DC
About Dr. Monica Mittal Hennessey M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MONICA MITTAL HENNESSEY M.D. (NPI 1528283041) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD038886) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Monica Mittal Hennessey M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Monica Hennessey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20002
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 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 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.
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
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 Monica Hennessey's NPI number?
The NPI number for Monica Hennessey is 1528283041. It was assigned to this individual provider in the NPPES registry on April 17, 2007.
Where is Monica Hennessey located?
Monica Hennessey practices at 5255 Loughboro Rd NW, Washington, DC 20016. The listed phone number is (240) 686-2300.
What is Monica Hennessey's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Monica Hennessey enrolled in Medicare?
Yes. Monica Hennessey is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Monica Hennessey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Hennessey reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Washington, DC). 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 Monica Hennessey'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 Monica Hennessey was last updated on May 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Monica Mittal Hennessey, M.D. · NPI 1528283041
Emergency Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 17, 2007.
## Identity
- **NPI:** 1528283041 (Entity type: Individual)
- **Enumerated:** April 17, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD038886 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 5255 LOUGHBORO RD NW, Washington, DC 20016-2633
- **Phone:** (240) 686-2300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1093016933, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 20, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1528283041) · Data from the CMS NPPES public registry.