MARY SUNNY JACOB M.D.
NPI 1225321755
Emergency Medicine in Bethesda, MD
About Mary Sunny Jacob M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY SUNNY JACOB M.D. (NPI 1225321755) is an individual emergency medicine provider in Bethesda, Maryland, licensed in Maryland (D0077419) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of Wayne State University School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
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
Mary Sunny Jacob 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.
Areas of Expertise CMS Part B claims 2
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.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDMedstar Montgomery Medical Center
Acute Care Hospitals · Olney, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20889 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.
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
BETHESDA, MD 20889
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 Mary Jacob's NPI number?
The NPI number for Mary Jacob is 1225321755. It was assigned to this individual provider in the NPPES registry on May 17, 2011.
Where is Mary Jacob located?
Mary Jacob practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 295-8901.
What is Mary Jacob's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mary Jacob enrolled in Medicare?
Yes. Mary Jacob 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 Mary Jacob affiliated with any hospitals?
According to CMS data, Mary Jacob is affiliated with Holy Cross Hospital and Medstar Montgomery Medical Center.
When was this NPI record last updated?
The NPPES record for Mary Jacob was last updated on March 10, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
