NPPES file of Aug 9, 2026

Richard L. London, M.D.

Geriatric Medicine (Internal Medicine) Physician · Milwaukee, WI

Richard L. London, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Milwaukee, Wisconsin, and NPI 1679689368, issued on Aug 22, 2006. Check the license (Wisconsin 26420, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679689368
Name
Richard L. London
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
26420 WI
Self-reported in NPPES; status is on the state search
Practice location
1020 N 12TH St, Milwaukee, WI 53233
Phone
(414) 219-5219
Enumerated
Aug 22, 2006
Record last updated
May 14, 2025
Medicaid ID
30720900 WI
Medicare enrollment
Enrolled (PECOS I20040401000338); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1973
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1020 N 12TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Omair Ahmed, MBBS, MDGeriatric Medicine (Internal Medicine) Physician1699417972
  2. Ruric (andy) Anderson, MDInternal Medicine Physician1205995255
  3. Carmel Bankier Sweet, RDRegistered Dietitian1457427544
  4. Savannah Baun, LMTMassage Therapist1336898212
  5. Cynthia Beale, CNMAdvanced Practice Midwife1821273350
  6. Krista BergerAdvanced Practice Midwife1245100841

Verify Richard L. London in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 26420
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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97% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

147 Medicare Part D claims for 38 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Richard London147
  2. Specialty average4,246

Most prescribed

  1. Rivastigmine35 claims
  2. Sertraline Hcl29 claims
  3. Donepezil Hcl27 claims
  4. Memantine Hcl14 claims
  5. Escitalopram Oxalate11 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

  1. Aurora Medical Group, Inc.Grafton, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Richard L. London among 110 geriatric medicine (internal medicine) physician records in Wisconsin

Richard L. London, M.D. is one of 110 geriatric medicine (internal medicine) physician records with a practice address in Wisconsin. 76% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 46% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1973 · median 2006 among the 55 with a school on file
  • Record last updated2025 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Wisconsin

There are 110 geriatric medicine (internal medicine) physician records in Wisconsin.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Omair Ahmed, MBBS, MDMilwaukee, WI 532331699417972
  2. Mariam Dundu, M.D.Milwaukee, WI 532331679215982
  3. Fnu FarahMilwaukee, WI 532331730012873
  4. Richard Kane, MDMilwaukee, WI 532331669589198
  5. Michael Malone, MDMilwaukee, WI 532331053469536
  6. Soryal Soryal, M.DMilwaukee, WI 532331003882994
  7. Ahmet Demircioglu, M.D.St Francis, WI 532351114005642
  8. Leyla Solis, MDSaint Francis, WI 532351659459188

Common questions

What is Richard L. London, M.D.'s NPI number?

Richard L. London, M.D.'s National Provider Identifier (NPI) is 1679689368, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard L. London, M.D. located?

The NPPES record lists a practice address at 1020 N 12TH St, Milwaukee, WI, 53233. Phone: (414) 219-5219. Providers update this record themselves, so call before visiting.

How can I verify Richard L. London, M.D.'s license?

NPPES lists Wisconsin license number 26420, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Richard L. London, M.D. prescribe under Medicare Part D?

In 2024, Richard L. London, M.D. had 147 Medicare Part D claims for 38 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.