Rebecca Lauren Lach, MD, MPH
Family Medicine Physician · Wellesley, MA
Rebecca Lauren Lach, MD, MPH is a family medicine physician with a practice address in Wellesley, Massachusetts, and NPI 1679137780, issued on Apr 24, 2019. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Rebecca Lauren Lach
- Credential
- MD, MPH
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- A177922 CA
LP04635 RI
Self-reported in NPPES; status is on the state search - Practice location
- 978 Worcester St, Wellesley, MA 02482
- Phone
- (617) 219-1280
- Enumerated
- Apr 24, 2019
- Record last updated
- Mar 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20260413002768); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 978 Worcester St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Downs, PA-CPhysician Assistant1811659105
- Maryam KetabiPharmacist1396349452
- Deidre Patel, MDFamily Medicine Physician1366007387
Verify Rebecca Lauren Lach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
406 Medicare Part D claims for 110 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium38 claims
- Celecoxib32 claims
- Lisinopril21 claims
- Amlodipine Besylate18 claims
- Diclofenac Sodium18 claims
- Gabapentin17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Family Health Centers OF San Diego IncSan Diego, CA
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
Other family medicine physician records in Massachusetts
- Salah Abass, M.D.Methuen, MA1417959776
- Majed Abbas, MDLowell, MA1346827870
- Sheila Abdallah, MDWorcester, MA1821356312
- Omar Abduljabar, M.D.Springfield, MA1770978843
- Jonathan Abel, DOSpringfield, MA1700897196
- Mohamed Abib, MDSturbridge, MA1639281090
- Kevin Abraham, M.D.Worcester, MA1689037673
- Janet Abrahamian, M.D.West Boylston, MA1932156627
- John Abramson, M.D.Ipswich, MA1275613903
- John Paul Abroguena, MDPlainville, MA1235361080
Common questions
What is Rebecca Lauren Lach, MD, MPH's NPI number?
Rebecca Lauren Lach, MD, MPH's National Provider Identifier (NPI) is 1679137780, issued on Apr 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Lauren Lach, MD, MPH located?
The NPPES record lists a practice address at 978 Worcester St, Wellesley, MA, 02482. Phone: (617) 219-1280. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Lauren Lach, MD, MPH's license?
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 Rebecca Lauren Lach, MD, MPH prescribe under Medicare Part D?
In 2024, Rebecca Lauren Lach, MD, MPH had 406 Medicare Part D claims for 110 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Rebecca Lauren Lach, MD, MPH's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.