NPPES file of Aug 9, 2026

Louise B. Grochow, M.D.

Medical Oncology Physician · Baltimore, MD

Louise B. Grochow, M.D. is a medical oncology physician with a practice address in Baltimore, Maryland, and NPI 1326159674, issued on Aug 31, 2006. Check the license (Maryland D0018333, 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
1326159674
Name
Louise B. Grochow
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
D0018333 MD
Self-reported in NPPES; status is on the state search
Practice location
Johns Hopkins Hosp Oncology Ctg C/O Martin Abeloff, Baltimore, MD 21287
Phone
(302) 252-5044
Enumerated
Aug 31, 2006
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.
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Verify Louise B. Grochow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0018333
    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

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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

  1. Jeffrey Abrams, M.DClarksville, MD1598035248
  2. Richard Ambinder, M.D.Baltimore, MD1528022407
  3. Amir Ameri, MDBaltimore, MD1164089843
  4. Valsamo Anagnostou, MD-PHDBaltimore, MD1821314030
  5. Christina Annunziata, M.D., PH.D.Bethesda, MD1093084139
  6. Mary Armanios, M.D.Baltimore, MD1588628390
  7. Deborah Armstrong, M.D.Lutherville, MD1437113255
  8. Kekule AsgariSilver Spring, MD1568927911
  9. Nilofer Azad, MDBaltimore, MD1568635712
  10. Ashraf Badros, M.D.Baltimore, MD1821038241

Common questions

What is Louise B. Grochow, M.D.'s NPI number?

Louise B. Grochow, M.D.'s National Provider Identifier (NPI) is 1326159674, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Louise B. Grochow, M.D. located?

The NPPES record lists a practice address at Johns Hopkins Hosp Oncology Ctg C/O Martin Abeloff, Baltimore, MD, 21287. Phone: (302) 252-5044. Providers update this record themselves, so call before visiting.

How can I verify Louise B. Grochow, M.D.'s license?

NPPES lists Maryland license number D0018333, 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.