Lown Medical Group, PLLC
NPI 1437980638 · Internal Medicine Physician · Chestnut Hill, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lown Medical Group, PLLC is a Internal Medicine Physician organization in Chestnut Hill, MA (NPI 1437980638).
Provider details
- NPI number
- 1437980638
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Brian Bilchik, Director(617) 732-1318
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Integrative Medicine Physician202D00000X
Allopathic & Osteopathic Physicians
- Obstetrics & Gynecology Physician207V00000X
Allopathic & Osteopathic Physicians
- Rheumatology Physician207RR0500X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-08-09
- Last updated
- 2026-02-19
- Certified
- 2026-02-19
Frequently asked questions
- What is Lown Medical Group, PLLC's NPI number?
- Lown Medical Group, PLLC's National Provider Identifier (NPI) is 1437980638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lown Medical Group, PLLC?
- Lown Medical Group, PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lown Medical Group, PLLC located?
- Lown Medical Group, PLLC's practice location on file with NPPES is 830 Boylston Street, Chestnut Hill, MA 02467.
- What is Lown Medical Group, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Lown Medical Group, PLLC is (617) 732-1318.
- Does Lown Medical Group, PLLC accept Medicare?
- Lown Medical Group, PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Lown Medical Group, PLLC?
- The authorized official listed on Lown Medical Group, PLLC's NPPES record is Brian Bilchik, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lown Medical Group, PLLC's NPI active?
- Yes — Lown Medical Group, PLLC's NPI (1437980638) is active in the NPPES registry as of the last update on 2026-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.