Robert Matthew Tennill, M.D.
Emergency Medicine Physician · Springfield, IL
Robert Matthew Tennill, M.D. is an emergency medicine physician with a practice address in Springfield, Illinois, and NPI 1801215231, issued on Apr 14, 2014. Check the license (Illinois 036.145116, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Robert Matthew Tennill
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036.145116 IL
Self-reported in NPPES; status is on the state search - Practice location
- 701 N 1St St, Springfield, IL 62781
- Phone
- (217) 788-3156
- Enumerated
- Apr 14, 2014
- Record last updated
- Jun 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (217) 788-6459
- Medicare enrollment
- Enrolled (PECOS I20180615000003); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 701 N 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Matthew Tennill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.145116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average emergency medicine physician in 2024
84 Medicare Part D claims for 53 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen25 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
- Midwest Emergency Department Specialists LtdSpringfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Matthew Tennill among 3,291 emergency medicine physician records in Illinois
Robert Matthew Tennill, M.D. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 59% of them.
- NPI issued2014 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2014 · median 2012 among the 1,867 with a school on file
- Record last updated2018 · 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 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
126 emergency medicine physician records list a practice address in Springfield
They are 126 of the 4,997 NPPES records with a practice address in Springfield, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Springfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Katherine Anderson, D.O.Springfield, IL 627811679772511
- Calvin Bell, M.D.Springfield, IL 627811316983091
- David Berg, D.O.Springfield, IL 627811366486268
- William Boston, M.D.Springfield, IL 627811215971197
- Ted Clark, M.D., M.P.P.Springfield, IL 627811497914741
- David Harvey, M.D.Springfield, IL 627811710921606
- Timothy Harvey, M.D.Springfield, IL 627811962446856
- John Holland, M.D.Springfield, IL 627811568572147
Common questions
What is Robert Matthew Tennill, M.D.'s NPI number?
Robert Matthew Tennill, M.D.'s National Provider Identifier (NPI) is 1801215231, issued on Apr 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Robert Matthew Tennill, M.D. located?
The NPPES record lists a practice address at 701 N 1St St, Springfield, IL, 62781. Phone: (217) 788-3156. Providers update this record themselves, so call before visiting.
How can I verify Robert Matthew Tennill, M.D.'s license?
NPPES lists Illinois license number 036.145116, 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 Robert Matthew Tennill, M.D. prescribe under Medicare Part D?
In 2024, Robert Matthew Tennill, M.D. had 84 Medicare Part D claims for 53 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.