NPPES file of Aug 9, 2026

Yonas Sisay, M.D.

Internal Medicine Physician · Baltimore, MD

Yonas Sisay, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1003020439, issued on May 8, 2007. Check the license (Maryland D0057228, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1003020439
Name
Yonas Sisay
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D0057228 MD
Self-reported in NPPES; status is on the state search
Practice location
822 Guilford Ave, Baltimore, MD 21202
Phone
(410) 385-9672
Enumerated
May 8, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 822 Guilford Ave

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

  1. Roslyn DeshieldsAdult Health Nurse Practitioner1649721671
  2. Katelin Fullerton, LCSW-CClinical Social Worker1861037871
  3. Katharine LaidleyProfessional Counselor1184087819
  4. Keisharely Perez, MS, LCPCMental Health Counselor1346829199

Verify Yonas Sisay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0057228
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Yonas Sisay among 3,904 internal medicine physician records in Maryland

Yonas Sisay, M.D. is one of 3,904 internal 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 not. Its NPI, issued in 2007, is newer than 45% of them.

  • NPI issued2007 · 45% of these records are older, 44% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,278 internal medicine physician records list a practice address in Baltimore

They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Pratima Bose, M.D.Baltimore, MD 212021376599977
  2. Majid Cina, MDBaltimore, MD 212021790767531
  3. Gary Friedman, MDBaltimore, MD 212021023016680
  4. Jeffrey Gaber, M.D.Baltimore, MD 212021386611853
  5. Albert Han, MDBaltimore, MD 212021538141106
  6. Tara Hebert, M.D.Baltimore, MD 212021225089337
  7. Nilesh Kalyanaraman, M.D.Baltimore, MD 212021639140239
  8. Colleen Leavitt, MDBaltimore, MD 212021528042959

Common questions

What is Yonas Sisay, M.D.'s NPI number?

Yonas Sisay, M.D.'s National Provider Identifier (NPI) is 1003020439, issued on May 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Yonas Sisay, M.D. located?

The NPPES record lists a practice address at 822 Guilford Ave, Baltimore, MD, 21202. Phone: (410) 385-9672. Providers update this record themselves, so call before visiting.

How can I verify Yonas Sisay, M.D.'s license?

NPPES lists Maryland license number D0057228, 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. An NPI identifies who bills; it is not a license.

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.