LONDON MEDICAL GROUP, LLC
NPI 1609026871
Internal Medicine in Needham, MA
About London Medical Group, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LONDON MEDICAL GROUP, LLC (NPI 1609026871) is a healthcare organization registered as an internal medicine in Needham, Massachusetts and active in the NPI registry since September 2008. The organization holds a CLIA Microscopy certificate valid through November 4, 2026 and lists Diane London, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
London Medical Group, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to London Medical Group, LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
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 for Provider-Performed Microscopy Procedures (PPMP) 22D1094597
London Medical Group · Needham, 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 London Medical Group, LLC's NPI number?
The NPI number for London Medical Group, LLC is 1609026871. It was assigned to this organization in the NPPES registry on September 24, 2008.
Where is London Medical Group, LLC located?
London Medical Group, LLC is located at 17 Oak St, Needham, MA 02492. The listed phone number is (781) 559-0540.
What is London Medical Group, LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is London Medical Group, LLC enrolled in Medicare?
Yes. London Medical Group, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through London Medical Group, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to London Medical Group, LLC, in Internal Medicine and Nurse Practitioner. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does London Medical Group, LLC hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 22D1094597) is associated with this NPI, valid through November 4, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does London Medical Group, LLC accept?
Health plans from Anthem Blue Cross and Blue Shield list London Medical Group, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for London Medical Group, LLC was last updated on August 31, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.
# London Medical Group, Llc · NPI 1609026871
Internal Medicine organization in Needham, Massachusetts. Organization record, active in the CMS NPPES registry since September 24, 2008.
## Identity
- **NPI:** 1609026871 (Entity type: Organization)
- **Enumerated:** September 24, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Diane London, PRESIDENT
## Practice location
- **Address:** 17 OAK ST, Needham, MA 02492-2470
- **Phone:** (781) 559-0540
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (1), Nurse Practitioner (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 31, 2009
- **Other identifiers:** Other 1609026871 (MA); Medicaid 9742191 (MA); Other M19587 (MA); and 1 more
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1609026871) · Data from the CMS NPPES public registry.