Mary Sunny Jacob, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

D0077419 Issued in MD

Practice address

8901 Wisconsin Ave
Bethesda, MD 20889-1541

Phone

(301) 295-8901

NPI assigned

May 17, 2011

Last updated

Mar 10, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MD, DC2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Emergency Medicine

Education

Wayne State University School of Medicine, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cep America LLCGroup PAC ID 6608056171, 995 clinicians

Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Medstar Montgomery Medical Center Hospital, Olney, MD, CCN 210018
• Holy Cross Hospital Hospital, Silver Spring, MD, CCN 210004

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187

  DC

  Medicare reassignment Care Compare group NPD
• Cep America LLC

  dba Vituity

  • Emergency Medicine Physician
  • Washington, DC
  • NPI 1073914396
  Medicare reassignment Care Compare group NPD
• Usacs Critical Care Medicine Services East, LLC

  • Critical Care Medicine (Internal Medicine) Physician
  • Rockville, MD
  • NPI 1356007116

  DC

  Medicare reassignment NPD
• Usacs Integrated Acute Care Services of Maryland, LLC

  • Internal Medicine Physician
  • Elkton, MD
  • NPI 1922598929

  DC

  Medicare reassignment NPD
• Emergency Medicine Associates P.a., P.C.

  • Emergency Medicine Physician
  • Falls Church, VA
  • NPI 1134117393

  DC

  Medicare reassignment NPD
• Medical Faculty Associates, Inc

  • Anesthesiology Physician
  • Washington, DC
  • NPI 1417990581

  Emergency Medicine

  Medicare reassignment NPD
• WHC Physician Group LLC

  • General Practice Physician
  • Washington, DC
  • NPI 1700154226

  MD

  Medicare reassignment NPD
• Mep Health, LLC

  • Emergency Medicine Physician
  • Rockville, MD
  • NPI 1164483558

  DC

  Medicare reassignment
• Cep America LLC

  • Emergency Medicine Physician
  • Germantown, MD
  • NPI 1568357754
  NPD
• Cep America LLC

  • Emergency Medicine Physician
  • Fort Lauderdale, FL
  • NPI 1700747946
  NPD
• Emergency Medicine Associates P.a., P.C.

  • Internal Medicine Physician
  • Culpeper, VA
  • NPI 1881559102
  NPD
• Medstar Medical Group II LLC

  • Anatomic Pathology Physician
  • Washington, DC
  • NPI 1578297503
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Holy Cross Health, Inc

  dba Holy Cross Hospital

  • General Acute Care Hospital
  • Silver Spring, MD
  • NPI 1669417838
  Care Compare affiliation
• Holy Cross Health, Inc.

  dba Holy Cross Health Lab Outreach

  • Clinical Medical Laboratory
  • Silver Spring, MD
  • NPI 1831574284

  Hospital

  Care Compare affiliation
• Montgomery General Hospital, Inc.

  • General Acute Care Hospital
  • Olney, MD
  • NPI 1114922341
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1305590400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1225321755",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2150 PENNSYLVANIA AVE, NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "20037",
            "telephone_number": "202-741-3000",
            "fax_number": "202-741-2185"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8901 WISCONSIN AVE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208891541",
            "telephone_number": "301-295-8901"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JACOB",
        "first_name": "MARY",
        "middle_name": "SUNNY",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-05-17",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "D0077419",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• La Tonya Nicole Jackson
• Mark Andrew Jackson, LCSW-C
• Monique Jackson
• Sharon Jackson, MD
• Christina Mary Jacob, MD
• Michael Jacobs
• Jeff Jacobson, MD
• Kevin Alexander Jacome, DO
• Faramarz Jafari, L.AC. DOM
• Benjamin Mark Jaffe

• Emergency Medicine Physician in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Emergency Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.