NPPES file of Aug 9, 2026

David Roberts Buchanan, M.D.

Internal Medicine Physician · Chicago, IL

David Roberts Buchanan, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1396772992, issued on Jun 27, 2006. Check the license (Illinois 036-100657, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1396772992
Name
David Roberts Buchanan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036-100657 IL
Self-reported in NPPES; status is on the state search
Practice location
1715 E 95TH St, Chicago, IL 60617
Phone
(773) 768-4437
Enumerated
Jun 27, 2006
Record last updated
Nov 1, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1715 E 95TH St

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

  1. Emily Anderson, PMHNPPsychiatric/Mental Health Nurse Practitioner1437403755
  2. Sandra Anim, NPFamily Nurse Practitioner1821422320
  3. Anna CooperClinical Social Worker1770253841
  4. Olayinka Durojaiye, FNPFamily Nurse Practitioner1811439300
  5. Sharon Duval, M.D.Internal Medicine Physician1366634487
  6. Tarryn Ellis, NPFamily Nurse Practitioner1801387089

Verify David Roberts Buchanan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-100657    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 Illinois license search

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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

393 Medicare Part D claims for 119 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. David Buchanan393
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium40 claims
  2. Amlodipine Besylate-Benazepril27 claims
  3. Amlodipine Besylate17 claims
  4. Lisinopril-Hydrochlorothiazide17 claims
  5. Metoprolol Succinate16 claims
  6. Carbidopa-Levodopa14 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.

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

All 2,867 in Chicago → All 7,238 in Illinois → Every provider in Chicago →

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is David Roberts Buchanan, M.D.'s NPI number?

David Roberts Buchanan, M.D.'s National Provider Identifier (NPI) is 1396772992, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Roberts Buchanan, M.D. located?

The NPPES record lists a practice address at 1715 E 95TH St, Chicago, IL, 60617. Phone: (773) 768-4437. Providers update this record themselves, so call before visiting.

How can I verify David Roberts Buchanan, M.D.'s license?

NPPES lists Illinois license number 036-100657, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Roberts Buchanan, M.D. prescribe under Medicare Part D?

In 2024, David Roberts Buchanan, M.D. had 393 Medicare Part D claims for 119 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.