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REBECCA LAUREN LACH MD, MPH
NPI 1679137780
Family Medicine in Wellesley, MA

Active since April 24, 2019PECOS EnrolledAccepts Medicare Assignment
73.62/100
CMS Quality Rating
978 WORCESTER ST, WELLESLEY, MA 02482(617) 219-1280 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 10, 2026, Oct 31, 2023, Aug 1, 2022 and 1 more (4 updates tracked since 2019).

About Rebecca Lauren Lach Md, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

REBECCA LAUREN LACH MD, MPH (NPI 1679137780) is an individual family medicine provider in Wellesley, Massachusetts, licensed in California (A177922) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1679137780
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameREBECCA LAUREN LACHCredential: MD, MPH
Location Address978 WORCESTER STWellesley, MA 02482-3709
Mailing Address978 Worcester StWellesley, MA 02482-3709
Phone(617) 219-1280
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 24, 2019
Last NPPES UpdateMarch 10, 20264 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1679137780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · A177922✔ Licensed in RI · LP04635
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X · License A177922 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
978 WORCESTER ST, Wellesley, MA 02482
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rebecca Lauren Lach Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466836119
PECOS Enrollment IDI20260413002768
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02482 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.56
Improvement Activities40
Cost58.69

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MASS GENERAL BRIGHAM
Physician Assistant
978 WORCESTER ST
WELLESLEY, MA 02482
Norfolk County (617) 219-1280
MARYAM KETABI
Pharmacist
978 WORCESTER ST
WELLESLEY, MA 02482
Norfolk County (781) 235-3555
WELLESLEY HYPERBARICS
Internal Medicine
978 WORCESTER ST, SUITE 2
WELLESLEY, MA 02482
Norfolk County (781) 489-5020
NEWTON WELLESLEY AMBULATORY SERVICES
Durable Medical Equipment & Medical Supplies
978 WORCESTER ST
WELLESLEY, MA 02482
Norfolk County (617) 219-1280
CHRISTINE KELLY DOWNS PA-C
Physician Assistant
978 WORCESTER ST
WELLESLEY, MA 02482
Norfolk County (617) 219-1280

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rebecca Lach's NPI number?

The NPI number for Rebecca Lach is 1679137780. It was assigned to this individual provider in the NPPES registry on April 24, 2019.

Where is Rebecca Lach located?

Rebecca Lach practices at 978 Worcester St, Wellesley, MA 02482. The listed phone number is (617) 219-1280.

What is Rebecca Lach's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Rebecca Lach enrolled in Medicare?

Yes. Rebecca Lach is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Rebecca Lach was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.