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DAVID LAWRENCE MAYHEW M.D.
NPI 1659630978
Radiology - Radiation Oncology in Boston, MA

Active since May 07, 2012PECOS Enrolled
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000 Get Directions Write a Review

NPPES record last updated: August 23, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About David Lawrence Mayhew M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID LAWRENCE MAYHEW M.D. (NPI 1659630978) is an individual radiation oncology provider in Boston, Massachusetts, licensed in Massachusetts (273264) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659630978
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameDAVID LAWRENCE MAYHEWCredential: M.D.
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address800 Washington St., Box 1013Boston, MA 02111-1552 · (617) 636-5000
Phone(617) 636-5000
Sole ProprietorNo
Enumeration DateMay 7, 2012
Last NPPES UpdateAugust 23, 2018
✔ NPI 1659630978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in MA · 273264
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
800 WASHINGTON ST, Boston, MA 02111
Open in Google Maps ↗

Other Identifiers 1

Medicaid110133347AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David Lawrence Mayhew M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show David Mayhew reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pratt Radiation Oncology Associates Inc
Same address
Radiation Oncology
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 11 clinicians in this Medicare group
NPI 1215971361 (617) 636-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AARON DICKSTEIN M.D.
Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Suffolk County (617) 636-5883
THOMAS E BIGELOW
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
SARAH MERRIMAN PERSING M.D.
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. SHARANYA MOHANTY M.D.
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
AFRAH SADIQ SAIT MOHAMMED M.D.
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (718) 629-7204
ADNAN SALIM QAMAR MD
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5829
ALICIA SIGIA WU MD
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-1619
ZEANAARONEVAN ANDRES LUNA
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-8100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Mayhew's NPI number?

The NPI number for David Mayhew is 1659630978. It was assigned to this individual provider in the NPPES registry on May 7, 2012.

Where is David Mayhew located?

David Mayhew practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5000.

What is David Mayhew's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is David Mayhew enrolled in Medicare?

Yes. David Mayhew is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Mayhew's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Mayhew reassigns Medicare benefits to Pratt Radiation Oncology Associates Inc (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Mayhew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Mayhew accept?

Health plans from Taro Health list David Mayhew as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for David Mayhew was last updated on August 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.