David Lawrence Mayhew, M.D.
Radiation Oncology Physician · Boston, MA
David Lawrence Mayhew, M.D. is a radiation oncology physician with a practice address in Boston, Massachusetts, and NPI 1659630978, issued on May 7, 2012. Check the license (Massachusetts 273264, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David Lawrence Mayhew
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 273264 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-5000
- Enumerated
- May 7, 2012
- Record last updated
- Aug 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 110133347A MA
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 241 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmad AboalfarajSurgery Physician1538517651
- Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250
Verify David Lawrence Mayhew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 273264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David Lawrence Mayhew among 241 radiation oncology physician records in Massachusetts
David Lawrence Mayhew, M.D. is one of 241 radiation oncology physician records with a practice address in Massachusetts. 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 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2018 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Massachusetts
There are 241 radiation oncology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 241 in Massachusetts → Every provider in Boston → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Brett Diamond, MDBoston, MA 021111619437340
- Kathryn Huber, M.D., PH.D.Boston, MA 021111922211655
- Seth Kaufman, M.D.Boston, MA 021111245277441
- John Mignano, M.DBoston, MA 021111477519643
- Matthew ThoonkuzhyBoston, MA 021111407597719
- Theodore Hong, MDBoston, MA 021141457342917
- Ellen Kornmehl, MDBoston, MA 021141740270487
- Norbert Liebsch, MD PHDBoston, MA 021141801887948
Common questions
What is David Lawrence Mayhew, M.D.'s NPI number?
David Lawrence Mayhew, M.D.'s National Provider Identifier (NPI) is 1659630978, issued on May 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is David Lawrence Mayhew, M.D. located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.
How can I verify David Lawrence Mayhew, M.D.'s license?
NPPES lists Massachusetts license number 273264, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. 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.