DEIDRE JANELLE AMMAH
NPI 1043553464
Psychiatry & Neurology - Neurology in Bethesda, MD
About Deidre Janelle Ammah NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEIDRE JANELLE AMMAH (NPI 1043553464) is an individual neurology provider in Bethesda, Maryland, licensed in Maryland (D83081) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare White Oak Medical Center, and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Deidre Janelle Ammah 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 Deidre Ammah reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethesda, MD 20817
- Reassigned Medicare billing, District of Columbia enrollment
- 9 clinicians in this Medicare group
Gaithersburg, MD 20878
- Reassigned Medicare billing, District of Columbia enrollment
- 340 clinicians in this Medicare group
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia enrollment
- 328 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 6
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.
Adventist Healthcare White Oak Medical Center
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20814 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.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BETHESDA, MD 20814
BETHESDA, MD 20814
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 Deidre Ammah's NPI number?
The NPI number for Deidre Ammah is 1043553464. It was assigned to this individual provider in the NPPES registry on April 3, 2013.
Where is Deidre Ammah located?
Deidre Ammah practices at 7315 Wisconsin Ave Ste 700, Bethesda, MD 20814. The listed phone number is (240) 235-9120.
What is Deidre Ammah's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Deidre Ammah enrolled in Medicare?
Yes. Deidre Ammah 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 Deidre Ammah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deidre Ammah reassigns Medicare benefits to 3 organizations: Mid-Atlantic Epilepsy & Sleep Center LLC (Bethesda, MD), Adventist Physician Services, Inc. (Gaithersburg, MD) and Dimensions Healthcare Associates Inc (Laurel, 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 Deidre Ammah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Deidre Ammah affiliated with any hospitals?
According to CMS data, Deidre Ammah is affiliated with Adventist Healthcare White Oak Medical Center.
When was this NPI record last updated?
The NPPES record for Deidre Ammah was last updated on October 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.