TAMMARA LEONE DAVIS M.D.
NPI 1386844603
Psychiatry & Neurology - Psychiatry in Greenbelt, MD
About Tammara Leone Davis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMARA LEONE DAVIS M.D. (NPI 1386844603) is an individual psychiatry provider in Greenbelt, Maryland, licensed in Maryland (D66338) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with Medstar Saint Mary's Hospital, and maintains a secondary practice location in Silver Spring.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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
Tammara Leone Davis M.d. 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Saint Mary's Hospital
Acute Care Hospitals · Leonardtown, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20770 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.
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
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 Tammara Davis's NPI number?
The NPI number for Tammara Davis is 1386844603. It was assigned to this individual provider in the NPPES registry on July 24, 2007.
Where is Tammara Davis located?
Tammara Davis practices at 7474 Greenway Center Dr Suite 730, Greenbelt, MD 20770. The listed phone number is (301) 982-3437.
What is Tammara Davis's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Tammara Davis enrolled in Medicare?
Yes. Tammara Davis 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.
What insurance does Tammara Davis accept?
Health plans from UnitedHealthcare list Tammara Davis 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 Tammara Davis affiliated with any hospitals?
According to CMS data, Tammara Davis is affiliated with Medstar Saint Mary's Hospital.
When was this NPI record last updated?
The NPPES record for Tammara Davis was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
