Daniel Cecil, MD
Internal Medicine Physician · Brookings, SD
Daniel Cecil, MD is an internal medicine physician with a practice address in Brookings, South Dakota, and NPI 1700844131, issued on May 3, 2006. Check the license (South Dakota 35688, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Daniel Cecil
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35688 SD
Self-reported in NPPES; status is on the state search - Practice location
- 400 22ND Ave, Brookings, SD 57006
- Phone
- (605) 697-9500
- Enumerated
- May 3, 2006
- Record last updated
- Apr 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (605) 697-6939
- Medicaid ID
- 6002602 SD
- Medicare enrollment
- Enrolled (PECOS I20040824000328); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 247 in South Dakota → Look up another NPI →
Also registered at 400 22ND Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Daniel Cecil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 35688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.1 times the Medicare Part D claims of the average internal medicine physician in 2024
22,666 Medicare Part D claims for 750 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 486 claims were for opioids.
Most prescribed
- Levothyroxine Sodium1,097 claims
- Losartan Potassium946 claims
- Omeprazole809 claims
- Atorvastatin Calcium737 claims
- Gabapentin698 claims
- Amlodipine Besylate674 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 2 group practices
- City OF BrookingsBrookings, SD
- Rural Health Care IncBrookings, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel Cecil among 247 internal medicine physician records in South Dakota
Daniel Cecil, MD is one of 247 internal medicine physician records with a practice address in South Dakota. 79% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 52% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1989 · median 2008 among the 146 with a school on file
- Record last updated2008 · 60% 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 South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 internal medicine physician records list a practice address in Brookings
They are 4 of the 375 NPPES records with a practice address in Brookings, and 247 internal medicine physician records in South Dakota.
All 247 in South Dakota → Every provider in Brookings → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Catherine Leadabrand, MDBrookings, SD 570061043277593
- Eric Murunga, MDBrookings, SD 570061225186570
- Jennifer Williamson, M.D.Brookings, SD 570061427305721
- Eloise Schrag, MDFreeman, SD 570291336110428
- David Basel, MDHarrisburg, SD 570321669451340
- Steven Joyce, M.D.Dakota Dunes, SD 570491316922875
- Susan Fanta, MDYankton, SD 570781326049313
- John Frank, MDYankton, SD 570781669473443
Common questions
What is Daniel Cecil, MD's NPI number?
Daniel Cecil, MD's National Provider Identifier (NPI) is 1700844131, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Cecil, MD located?
The NPPES record lists a practice address at 400 22ND Ave, Brookings, SD, 57006. Phone: (605) 697-9500. Providers update this record themselves, so call before visiting.
How can I verify Daniel Cecil, MD's license?
NPPES lists South Dakota license number 35688, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Daniel Cecil, MD prescribe under Medicare Part D?
In 2024, Daniel Cecil, MD had 22,666 Medicare Part D claims for 750 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.