BONNIE DIORA
NPI 1659876670
Anesthesiology in Washington, DC
About Bonnie Diora NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BONNIE DIORA (NPI 1659876670) is an individual anesthesiology provider in Washington, District Of Columbia, licensed in Maryland (H0093450) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Umd Upper Chesapeake Medical Center, and is a graduate of West Virginia School Of Osteopathic Medicine (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Bonnie Diora 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
3Medicare enrollment records show Bonnie Diora reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20016
- Reassigned Medicare billing, District of Columbia enrollment
- 127 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1528578333 (Maryland)
- 482 clinicians in this Medicare group
La Plata, MD 20646
- Reassigned Medicare billing, Maryland enrollment
- 78 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 8
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umd Upper Chesapeake Medical Center
Acute Care Hospitals · Bel Air, MDOther 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 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
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 Bonnie Diora's NPI number?
The NPI number for Bonnie Diora is 1659876670. It was assigned to this individual provider in the NPPES registry on March 30, 2018.
Where is Bonnie Diora located?
Bonnie Diora practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-8640.
What is Bonnie Diora's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Bonnie Diora enrolled in Medicare?
Yes. Bonnie Diora 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 Bonnie Diora's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bonnie Diora reassigns Medicare benefits to 3 organizations: Surgical Anesthesia Associates, PLLC (Washington, DC), Medstar Medical Group Anesthesiology LLC (Washington, DC) and Maryland Anesthesia & Pain Management Services, PC (La Plata, 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 Bonnie Diora's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Bonnie Diora affiliated with any hospitals?
According to CMS data, Bonnie Diora is affiliated with Umd Upper Chesapeake Medical Center.
When was this NPI record last updated?
The NPPES record for Bonnie Diora was last updated on May 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Bonnie Diora · NPI 1659876670
Anesthesiology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since March 30, 2018.
## Identity
- **NPI:** 1659876670 (Entity type: Individual)
- **Enumerated:** March 30, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** H0093450 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3800 RESERVOIR RD NW, Washington, DC 20007-2113
- **Phone:** (202) 444-8640
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Surgical Anesthesia Associates, PLLC (NPI 1811930647, Washington, DC); Medstar Medical Group Anesthesiology LLC (NPI 1558976175, Washington, DC); Maryland Anesthesia & Pain Management Services, PC (NPI 1245072834, La Plata, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** West Virginia School Of Osteopathic Medicine, class of 2018
## Record status
- **NPPES last updated:** May 6, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1659876670) · Data from the CMS NPPES public registry.