Bruce David Walker, MD
Infectious Disease Physician · Cambridge, MA
Bruce David Walker, MD is an infectious disease physician with a practice address in Cambridge, Massachusetts, and NPI 1770571572, issued on Oct 6, 2005. Check the license (Massachusetts 49648, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Bruce David Walker
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 49648 MA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Technology SQ, Cambridge, MA 02139
- Phone
- (857) 268-7072
- Enumerated
- Oct 6, 2005
- Record last updated
- May 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 6191924 MA
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 487 in Massachusetts → Look up another NPI →
Also registered at 400 Technology SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lloyd Klickstein, MD, PHDRheumatology Physician1467423418
Verify Bruce David Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 49648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $8,637.59
10 payments; by number, the most common kind was travel and lodging; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bruce David Walker among 487 infectious disease physician records in Massachusetts
Bruce David Walker, MD is one of 487 infectious disease physician records with a practice address in Massachusetts. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2015 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Massachusetts
There are 487 infectious disease physician records in Massachusetts.
All 487 in Massachusetts → Every provider in Cambridge → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- David Bor, M.D.Cambridge, MA 021391073550729
- Michael Callahan, M.D.Cambridge, MA 021391770698821
- Fatemeh Entekhabi, M.D.Cambridge, MA 021391730283607
- Alison Rapoport, M.D.Cambridge, MA 021391619296027
- Linda Shipton, M.D.Cambridge, MA 021391720026032
- Lin Chen, MDCambridge, MA 021381285636654
- Robert Colgrove, MDCambridge, MA 021381144222522
- Vito Iacoviello, MDCambridge, MA 021381780686154
Common questions
What is Bruce David Walker, MD's NPI number?
Bruce David Walker, MD's National Provider Identifier (NPI) is 1770571572, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Bruce David Walker, MD located?
The NPPES record lists a practice address at 400 Technology SQ, Cambridge, MA, 02139. Phone: (857) 268-7072. Providers update this record themselves, so call before visiting.
How can I verify Bruce David Walker, MD's license?
NPPES lists Massachusetts license number 49648, 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. Medicare files from data.cms.gov. 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.