Sara Lafreniere, PA
Medical Physician Assistant · Cambridge, MA
Sara Lafreniere, PA is a medical physician assistant with a practice address in Cambridge, Massachusetts, and NPI 1285243311, issued on Jul 24, 2020. Check the license (Massachusetts PA7800, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sara Lafreniere
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA7800 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Mount Auburn St Ste 414, Cambridge, MA 02138
- Phone
- (617) 864-0503
- Enumerated
- Jul 24, 2020
- Record last updated
- Mar 18, 2026
- Fax
- (617) 441-4033
- Medicare enrollment
- Enrolled (PECOS I20210305000990); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 886 in Massachusetts → Look up another NPI →
Also registered at 300 Mount Auburn St Ste 414
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Borges, M.D.Gastroenterology Physician1043447519
- Samson Ferm, MDGastroenterology Physician1255785713
- Fiona Koshy, CNPFamily Nurse Practitioner1952020547
- Kathryn Moore, PA-CMedical Physician Assistant1699307538
Verify Sara Lafreniere in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA7800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average medical physician assistant in 2024
65 Medicare Part D claims for 36 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Famotidine14 claims
- Omeprazole11 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: $13.30
1 payment: food and beverage; the largest payer was Pfizer Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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 one group practice
- Mount Auburn Professional Services IncCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara Lafreniere among 886 medical physician assistant records in Massachusetts
Sara Lafreniere, PA is one of 886 medical physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 77% of them.
- NPI issued2020 · 77% of these records are older, 18% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2015 among the 559 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Massachusetts
There are 886 medical physician assistant records in Massachusetts.
All 886 in Massachusetts → Every provider in Cambridge → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Louise Dias, PACambridge, MA 021381063614188
- Kathryn Moore, PA-CCambridge, MA 021381699307538
- Pamela Slatcher, PACambridge, MA 021381932164357
- Hayden Smith, PACambridge, MA 021381679225015
- Elizabeth Thidemann, PA-CCambridge, MA 021381629791975
- Karen Haessler, PA-CCambridge, MA 021391669844064
- Emily Hanson, PA-CCambridge, MA 021391760876437
- George Taylor, PA-CCambridge, MA 021391598731143
Common questions
What is Sara Lafreniere, PA's NPI number?
Sara Lafreniere, PA's National Provider Identifier (NPI) is 1285243311, issued on Jul 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Sara Lafreniere, PA located?
The NPPES record lists a practice address at 300 Mount Auburn St Ste 414, Cambridge, MA, 02138. Phone: (617) 864-0503. Providers update this record themselves, so call before visiting.
How can I verify Sara Lafreniere, PA's license?
NPPES lists Massachusetts license number PA7800, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Sara Lafreniere, PA prescribe under Medicare Part D?
In 2024, Sara Lafreniere, PA had 65 Medicare Part D claims for 36 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.