NPPES file of Aug 9, 2026

Daniel Charles Deem, M.D.

Internal Medicine Physician · Mahomet, IL

Daniel Charles Deem, M.D. is an internal medicine physician with a practice address in Mahomet, Illinois, and NPI 1487948386, issued on Jun 8, 2011. Check the license (Illinois 036.134890, 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
1487948386
Name
Daniel Charles Deem
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036.134890 IL
Self-reported in NPPES; status is on the state search
Practice location
1001 Commercial Dr, Mahomet, IL 61853
Phone
(217) 586-6600
Enumerated
Jun 8, 2011
Record last updated
Nov 13, 2024
Medicare enrollment
Enrolled (PECOS I20140910002496); accepts Medicare assignment
Medical or professional school
Southern Illinois University School Of Medicine, 2011
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 1001 Commercial Dr

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

  1. Dawn Brunner, MDFamily Medicine Physician1063643187
  2. Charles Buchanan, M.D.Family Medicine Physician1184631632
  3. Michael Kuhlenschmidt, M.D.Internal Medicine Physician1588046288
  4. Onachukwu Osaji, M.D.Family Medicine Physician1447269113
  5. Michael Palazzolo, M.D.Pediatrics Physician1427065028
  6. Carla Samuel-Parks, MDFamily Medicine Physician1326245655

Verify Daniel Charles Deem 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 036.134890
    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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4.1 times the Medicare Part D claims of the average internal medicine physician in 2024

12,935 Medicare Part D claims for 743 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 403 claims were for opioids.

  1. Daniel Deem12,935
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium851 claims
  2. Amlodipine Besylate743 claims
  3. Levothyroxine Sodium421 claims
  4. Pantoprazole Sodium384 claims
  5. Lisinopril372 claims
  6. Metformin Hcl365 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.

Industry payments in 2024: $404.70

31 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Daniel Deem$404.70
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Christie Clinic, PLLCChampaign, IL

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

4 internal medicine physician records list a practice address in Mahomet

They are 4 of the 139 NPPES records with a practice address in Mahomet, and 7,238 internal medicine physician records in Illinois.

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 Daniel Charles Deem, M.D.'s NPI number?

Daniel Charles Deem, M.D.'s National Provider Identifier (NPI) is 1487948386, issued on Jun 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Charles Deem, M.D. located?

The NPPES record lists a practice address at 1001 Commercial Dr, Mahomet, IL, 61853. Phone: (217) 586-6600. Providers update this record themselves, so call before visiting.

How can I verify Daniel Charles Deem, M.D.'s license?

NPPES lists Illinois license number 036.134890, 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 Daniel Charles Deem, M.D. prescribe under Medicare Part D?

In 2024, Daniel Charles Deem, M.D. had 12,935 Medicare Part D claims for 743 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.