NPPES file of Aug 9, 2026

Laurence Austin Doyle, M.D.

Medical Oncology Physician · Baltimore, MD

Laurence Austin Doyle, M.D. is a medical oncology physician with a practice address in Baltimore, Maryland, and NPI 1306889399, issued on Jun 14, 2006. Check the license (Maryland D23809, 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
1306889399
Name
Laurence Austin Doyle
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
D23809 MD
Self-reported in NPPES; status is on the state search
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(410) 328-5793
Enumerated
Jun 14, 2006
Record last updated
Mar 7, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(410) 328-0248
Medicaid IDs
1000030190 DE
356961600 MD
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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Also registered at 22 S Greene St

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

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117

Verify Laurence Austin Doyle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D23809
    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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Laurence Austin Doyle among 224 medical oncology physician records in Maryland

Laurence Austin Doyle, M.D. is one of 224 medical oncology physician records with a practice address in Maryland. 67% 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 53% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2011 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

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.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Kevin Cullen, M.D.Baltimore, MD 212011225071236
  2. Ronald Gartenhaus, M.D.Baltimore, MD 212011376583864
  3. Nancy Hardy, MDBaltimore, MD 212011437487717
  4. Petr Hausner, MDBaltimore, MD 212011376534222
  5. Arif Hussain, M.D.Baltimore, MD 212011770546830
  6. Madelyn Klugman, MD, MSCBaltimore, MD 212011750918777
  7. Candace Mainor, M.D.Baltimore, MD 212011568738334
  8. Heather Mannuel, MDBaltimore, MD 212011720047129

Common questions

What is Laurence Austin Doyle, M.D.'s NPI number?

Laurence Austin Doyle, M.D.'s National Provider Identifier (NPI) is 1306889399, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Laurence Austin Doyle, M.D. located?

The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-5793. Providers update this record themselves, so call before visiting.

How can I verify Laurence Austin Doyle, M.D.'s license?

NPPES lists Maryland license number D23809, 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.