Jeffrey Larnard, M.D.
Infectious Disease Physician · Boston, MA
Jeffrey Larnard, M.D. is an infectious disease physician with a practice address in Boston, Massachusetts, and NPI 1164955084, issued on Apr 7, 2017. Check the license (Massachusetts 291100, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Larnard
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 291100 MA
Self-reported in NPPES; status is on the state search - Practice location
- 110 Francis St Ste 1, Boston, MA 02215
- Phone
- (617) 632-7706
- Enumerated
- Apr 7, 2017
- Record last updated
- Oct 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20220706000060); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 487 in Massachusetts → Look up another NPI →
Also registered at 110 Francis St Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dylan Koundakjian, MDInfectious Disease Physician1245816024
- Ruvandhi Nathavitharana, M.D.Infectious Disease Physician1508183575
Verify Jeffrey Larnard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 291100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average infectious disease physician in 2024
419 Medicare Part D claims for 86 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Doxycycline Hyclate85 claims
- Amoxicillin31 claims
- Cefadroxil29 claims
- Cefpodoxime Proxetil27 claims
- Doxycycline Monohydrate24 claims
- Rifampin23 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 one group practice
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Larnard among 487 infectious disease physician records in Massachusetts
Jeffrey Larnard, M.D. 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 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2017 · median 2003 among the 296 with a school on file
- Record last updated2025 · 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 Boston → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Dan Barouch, MD PHDBoston, MA 022151992786974
- Sigall Bell, M.D.Boston, MA 022151225143118
- Clyde Crumpacker, M.D.Boston, MA 022151780786103
- George Eliopoulos, M.D.Boston, MA 022151891732087
- Camilla Graham, M.D.Boston, MA 022151952416919
- Adolf Karchmer, M.D.Boston, MA 022151508890278
- Kwan Kew Lai, MDBoston, MA 022151881618353
- Todd Pollack, M.D.Boston, MA 022151720026081
Common questions
What is Jeffrey Larnard, M.D.'s NPI number?
Jeffrey Larnard, M.D.'s National Provider Identifier (NPI) is 1164955084, issued on Apr 7, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Larnard, M.D. located?
The NPPES record lists a practice address at 110 Francis St Ste 1, Boston, MA, 02215. Phone: (617) 632-7706. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Larnard, M.D.'s license?
NPPES lists Massachusetts license number 291100, 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 Jeffrey Larnard, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey Larnard, M.D. had 419 Medicare Part D claims for 86 beneficiaries; the average among infectious disease physician prescribers was 689. 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.