James Christopher Spencer, M.D.
Otolaryngology Physician · Cambridge, MA
James Christopher Spencer, M.D. is an otolaryngology physician with a practice address in Cambridge, Massachusetts, and NPI 1740417492, issued on Jun 19, 2009. Check the license (Massachusetts 262093, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- James Christopher Spencer
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 262093 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Mount Auburn St, Cambridge, MA 02138
- Phone
- (617) 354-1010
- Enumerated
- Jun 19, 2009
- Record last updated
- Aug 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (617) 354-7961
- Medicare enrollment
- Enrolled (PECOS I20150908002040); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2008
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 364 in Massachusetts → Look up another NPI →
Also registered at 300 Mount Auburn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Christopher Spencer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 262093Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average otolaryngology physician in 2024
373 Medicare Part D claims for 161 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Fluticasone Propionate66 claims
- Ipratropium Bromide63 claims
- Prednisone32 claims
- Ciprofloxacin-Dexamethasone25 claims
- Dupixent Pen20 claims
- Methylprednisolone20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Cambridge OtolaryngologyCambridge, MA
- Massachusetts Eye And Ear Associates, IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Christopher Spencer among 364 otolaryngology physician records in Massachusetts
James Christopher Spencer, M.D. is one of 364 otolaryngology 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. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · median 2004 among the 239 with a school on file
- Record last updated2015 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Massachusetts
There are 364 otolaryngology physician records in Massachusetts.
All 364 in Massachusetts → Every provider in Cambridge → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Pamela Diamond, MDCambridge, MA 021381356350995
- Richard Hillel, MDCambridge, MA 021381548249048
- John Jameson, MDCambridge, MA 021381770578528
- Lawrence Mambrino, MDCambridge, MA 021381508845017
- Jeffrey Roach, M.D.Cambridge, MA 021381861425811
- Christian Soneru, MDCambridge, MA 021381417272410
- Erik Berg, M.D.Cambridge, MA 021391235395500
- Andrew Katz, M.D.Cambridge, MA 021391558711440
Common questions
What is James Christopher Spencer, M.D.'s NPI number?
James Christopher Spencer, M.D.'s National Provider Identifier (NPI) is 1740417492, issued on Jun 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is James Christopher Spencer, M.D. located?
The NPPES record lists a practice address at 300 Mount Auburn St, Cambridge, MA, 02138. Phone: (617) 354-1010. Providers update this record themselves, so call before visiting.
How can I verify James Christopher Spencer, M.D.'s license?
NPPES lists Massachusetts license number 262093, 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.
How much does James Christopher Spencer, M.D. prescribe under Medicare Part D?
In 2024, James Christopher Spencer, M.D. had 373 Medicare Part D claims for 161 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
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.