Kathy J. Helzlsouer, MD
Medical Oncology Physician · Baltimore, MD
Kathy J. Helzlsouer, MD is a medical oncology physician with a practice address in Baltimore, Maryland, and NPI 1982645875, issued on Jun 9, 2006. Check the license (Maryland D0028685, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Kathy J. Helzlsouer
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- D0028685 MD
Self-reported in NPPES; status is on the state search - Practice location
- 227 Saint Paul PL, Baltimore, MD 21202
- Phone
- (410) 951-7950
- Enumerated
- Jun 9, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (410) 951-7931
- Entity
- Type 1 · individual
Also registered at 227 Saint Paul PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sonja Alexander, CRNPFamily Nurse Practitioner1023264496
- Susan Appling, CRNPAdult Health Nurse Practitioner1003809153
- Barbara Ashley, CRNPAdult Health Nurse Practitioner1619911674
- Gauri Bedi, MDSurgery Physician1275574048
- Bernard Chang, MDPlastic and Reconstructive Surgery Physician1952357253
- Neil Friedman, MDSurgery Physician1538103676
Verify Kathy J. Helzlsouer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0028685Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Medical Oncology Physician providers in Maryland
There are 224 medical oncology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other medical oncology physician records in Maryland
- Jeffrey Abrams, M.DClarksville, MD1598035248
- Richard Ambinder, M.D.Baltimore, MD1528022407
- Amir Ameri, MDBaltimore, MD1164089843
- Valsamo Anagnostou, MD-PHDBaltimore, MD1821314030
- Christina Annunziata, M.D., PH.D.Bethesda, MD1093084139
- Mary Armanios, M.D.Baltimore, MD1588628390
- Deborah Armstrong, M.D.Lutherville, MD1437113255
- Kekule AsgariSilver Spring, MD1568927911
- Nilofer Azad, MDBaltimore, MD1568635712
- Ashraf Badros, M.D.Baltimore, MD1821038241
Common questions
What is Kathy J. Helzlsouer, MD's NPI number?
Kathy J. Helzlsouer, MD's National Provider Identifier (NPI) is 1982645875, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathy J. Helzlsouer, MD located?
The NPPES record lists a practice address at 227 Saint Paul PL, Baltimore, MD, 21202. Phone: (410) 951-7950. Providers update this record themselves, so call before visiting.
How can I verify Kathy J. Helzlsouer, MD's license?
NPPES lists Maryland license number D0028685, 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.