Todd Thomsen, MD
Emergency Medicine Physician · Cambridge, MA
Todd Thomsen, MD is an emergency medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1114911013, issued on Sep 7, 2005. Check the license (Massachusetts 216890, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Todd Thomsen
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 216890 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Mount Auburn St, Cambridge, MA 02138
- Phone
- (617) 499-5025
- Enumerated
- Sep 7, 2005
- Record last updated
- Mar 5, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (617) 864-0085
- Medicaid ID
- 2006804 MA
- Medicare enrollment
- Enrolled (PECOS I20100514000192); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 330 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 Todd Thomsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 216890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average emergency medicine physician in 2024
294 Medicare Part D claims for 208 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Azithromycin24 claims
- Oxycodone Hcl23 claims
- Prednisone19 claims
- Albuterol Sulfate Hfa18 claims
- Amoxicillin-Clavulanate Potass18 claims
- Cephalexin15 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.
Industry payments in 2024: $51.82
1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Bills Medicare through 2 group practices
- Associated Physicians OF Harvard Medical Faculty Physicians AT Beth ISCambridge, MA
- Bid-Milton Physician Associates IncMilton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Todd Thomsen among 1,829 emergency medicine physician records in Massachusetts
Todd Thomsen, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% 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, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2011 among the 1,200 with a school on file
- Record last updated2010 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 emergency medicine physician records list a practice address in Cambridge
They are 42 of the 5,145 NPPES records with a practice address in Cambridge, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Cambridge → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Binder, MDCambridge, MA 021381164416541
- Jeffrey Evans, MDCambridge, MA 021381326032707
- Jason Imperato, MDCambridge, MA 021381154315539
- Benjamin Kerman, MDCambridge, MA 021381023002953
- Arshad Khan, MDCambridge, MA 021381306830781
- Cynthia McGinn, MDCambridge, MA 021381437143823
- Justyna Notargiacomo, MDCambridge, MA 021381740274620
- John Patrick, MDCambridge, MA 021381528038882
Common questions
What is Todd Thomsen, MD's NPI number?
Todd Thomsen, MD's National Provider Identifier (NPI) is 1114911013, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Todd Thomsen, MD located?
The NPPES record lists a practice address at 330 Mount Auburn St, Cambridge, MA, 02138. Phone: (617) 499-5025. Providers update this record themselves, so call before visiting.
How can I verify Todd Thomsen, MD's license?
NPPES lists Massachusetts license number 216890, 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 Todd Thomsen, MD prescribe under Medicare Part D?
In 2024, Todd Thomsen, MD had 294 Medicare Part D claims for 208 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.