Diane M. London, M.D.
Internal Medicine Physician · Needham, MA
Diane M. London, M.D. is an internal medicine physician with a practice address in Needham, Massachusetts, and NPI 1629017710, issued on Jun 5, 2006. Check the license (Massachusetts 77628, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Diane M. London
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 77628 MA
Self-reported in NPPES; status is on the state search - Practice location
- 17 Oak St, Needham, MA 02492
- Phone
- (781) 559-0540
- Enumerated
- Jun 5, 2006
- Record last updated
- Sep 16, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (781) 559-0541
- Medicare enrollment
- Enrolled (PECOS I20050131000166); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 17 Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sasha Martone, LICSWClinical Social Worker1528548989
- Sonal Ullman, MDGastroenterology Physician1578597233
Verify Diane M. London in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 77628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,694 Medicare Part D claims for 109 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium160 claims
- Levothyroxine Sodium109 claims
- Losartan Potassium96 claims
- Omeprazole56 claims
- Lisinopril55 claims
- Amlodipine Besylate50 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.
Bills Medicare through one group practice
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane M. London among 6,825 internal medicine physician records in Massachusetts
Diane M. London, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2004 among the 4,103 with a school on file
- Record last updated2009 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 internal medicine physician records list a practice address in Needham
They are 34 of the 1,223 NPPES records with a practice address in Needham, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Needham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jacqueline Feuer, MDNeedham, MA 024921093705626
- Elizabeth Handel, M.D.Needham, MA 024921760579478
- Renee Jacobs, M.D.Needham, MA 024921396784484
- Eli Kramer, M.D.Needham, MA 024921396859914
- Mary Manning, M.D., M.P.H.Needham, MA 024921225067838
- Sandra Lee Marwill, M.D.Needham, MA 024921003874637
- Sally McNagny, M.D.Needham, MA 024921205874583
- Liza Meyerhardt, MDNeedham, MA 024921962507426
Common questions
What is Diane M. London, M.D.'s NPI number?
Diane M. London, M.D.'s National Provider Identifier (NPI) is 1629017710, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane M. London, M.D. located?
The NPPES record lists a practice address at 17 Oak St, Needham, MA, 02492. Phone: (781) 559-0540. Providers update this record themselves, so call before visiting.
How can I verify Diane M. London, M.D.'s license?
NPPES lists Massachusetts license number 77628, as entered by the provider. 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 Diane M. London, M.D. prescribe under Medicare Part D?
In 2024, Diane M. London, M.D. had 1,694 Medicare Part D claims for 109 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.