LOWN MEDICAL GROUP, PLLC
NPI 1437980638
Internal Medicine in Chestnut Hill, MA
About Lown Medical Group, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LOWN MEDICAL GROUP, PLLC (NPI 1437980638) is a healthcare organization registered as an internal medicine in Chestnut Hill, Massachusetts and active in the NPI registry since August 2024. The organization holds a CLIA Waiver certificate valid through December 21, 2026 and lists Brian Zane Bilchik, Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 15
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lown Medical Group, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
12Medicare enrollment records show 12 clinicians reassign Medicare billing to Lown Medical Group, PLLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 11 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (12)
Brookline, MA 02446
Brookline, MA 02446
Boston, MA 02115
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 22D2206662
Lown Medical Group, PLLC · Chestnut Hill, MAFrequently 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 Lown Medical Group, PLLC's NPI number?
The NPI number for Lown Medical Group, PLLC is 1437980638. It was assigned to this organization in the NPPES registry on August 9, 2024.
Where is Lown Medical Group, PLLC located?
Lown Medical Group, PLLC is located at 830 Boylston Street Suite 205, Chestnut Hill, MA 02467. The listed phone number is (617) 732-1318.
What is Lown Medical Group, PLLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lown Medical Group, PLLC enrolled in Medicare?
Yes. Lown Medical Group, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Lown Medical Group, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 4 Medicare specialties reassign their Medicare billing to Lown Medical Group, PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Cardiovascular Disease (Cardiology) (6), Internal Medicine (4) and Infectious Disease (1). Of these, 6 practice at this address and 11 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Lown Medical Group, PLLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 22D2206662) is associated with this NPI, valid through December 21, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Lown Medical Group, PLLC was last updated on February 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Lown Medical Group, Pllc · NPI 1437980638
Internal Medicine organization in Chestnut Hill, Massachusetts. Organization record, active in the CMS NPPES registry since August 9, 2024.
## Identity
- **NPI:** 1437980638 (Entity type: Organization)
- **Enumerated:** August 9, 2024
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Brian Bilchik, DIRECTOR
## Practice location
- **Address:** 830 BOYLSTON STREET, SUITE 205, Chestnut Hill, MA 02467
- **Phone:** (617) 732-1318 · **Fax:** (617) 734-5763
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 12 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Cardiovascular Disease (Cardiology) (6), Internal Medicine (4), Infectious Disease (1); 6 practice at this address and 11 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 19, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1437980638) · Data from the CMS NPPES public registry.