NPPES file of Aug 9, 2026

Mary Sunny Jacob, M.D.

Emergency Medicine Physician · Bethesda, MD

Mary Sunny Jacob, M.D. is an emergency medicine physician with a practice address in Bethesda, Maryland, and NPI 1225321755, issued on May 17, 2011. Check the license (Maryland D0077419, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225321755
Name
Mary Sunny Jacob
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
D0077419 MD
Self-reported in NPPES; status is on the state search
Practice location
8901 Wisconsin Ave, Bethesda, MD 20889
Phone
(301) 295-8901
Enumerated
May 17, 2011
Record last updated
Mar 10, 2026
Medicare enrollment
Enrolled (PECOS I20150810002102); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →

Also registered at 8901 Wisconsin Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Yousef AbdelmotaalPharmacist1316558414
  2. Fenote Abraham, M.D.Addiction Psychiatry Physician1073660916
  3. Anthony AchilleMilitary Health Care Provider1548117609
  4. Chigozie Achuko, DMDDentist1811235898
  5. Jennifer Ackerman Helfand, LCSW-CSocial Worker1912658659
  6. Barry Adams, M.S.S.W.Clinical Social Worker1033242730

Verify Mary Sunny Jacob in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0077419    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Cep America LLCGermantown, MD
  2. Medstar Medical Group II LLCBaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Sunny Jacob among 1,190 emergency medicine physician records in Maryland

Mary Sunny Jacob, M.D. is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 61% of them.

  • NPI issued2011 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2011 · median 2010 among the 571 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Maryland

There are 1,190 emergency medicine physician records in Maryland.

All 1,190 in Maryland → Every provider in Bethesda → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Sean Barbabella, D.O.Bethesda, MD 208891427028331
  2. Bradley Bunten, MDBethesda, MD 208891821074899
  3. Bradley Butler, MDBethesda, MD 208891265479950
  4. Robert Donovan, M.D.Bethesda, MD 208891427035054
  5. Katherine Douglass, MDBethesda, MD 208891679555668
  6. Michelle Ervin, MDBethesda, MD 208891568401321
  7. Brian Ferguson, D.O.Bethesda, MD 208891417996620
  8. Kim Forman, MDBethesda, MD 208891609847706

Common questions

What is Mary Sunny Jacob, M.D.'s NPI number?

Mary Sunny Jacob, M.D.'s National Provider Identifier (NPI) is 1225321755, issued on May 17, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mary Sunny Jacob, M.D. located?

The NPPES record lists a practice address at 8901 Wisconsin Ave, Bethesda, MD, 20889. Phone: (301) 295-8901. Providers update this record themselves, so call before visiting.

How can I verify Mary Sunny Jacob, M.D.'s license?

NPPES lists Maryland license number D0077419, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.