Elizabeth E. Obrien, M.D.
Internal Medicine Physician · Carlinville, IL
Elizabeth E. Obrien, M.D. is an internal medicine physician with a practice address in Carlinville, Illinois, and NPI 1881650570, issued on Apr 22, 2006. Check the license (Illinois 036121379, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Elizabeth E. Obrien
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036121379 IL
41416-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 20613 N Broad St, Carlinville, IL 62626
- Phone
- (217) 854-5099
- Enumerated
- Apr 22, 2006
- Record last updated
- May 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 036121379 IL
- Medicare enrollment
- Enrolled (PECOS I20080913000135); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 20613 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lourdes Cruz, MDFamily Medicine Physician1932165537
- Wendy Harmon, LCSWClinical Social Worker1932285194
- Thomas Hatley, M.D.Family Medicine Physician1326073073
- Jessica Levora, PA-CPhysician Assistant1124449160
- Rebecca LoyFamily Nurse Practitioner1932647195
- Ashley Talkington, APN-BCPsychiatric/Mental Health Nurse Practitioner1043760416
Verify Elizabeth E. Obrien 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 036121379Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.7 times the Medicare Part D claims of the average internal medicine physician in 2024
18,110 Medicare Part D claims for 752 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 625 claims were for opioids.
Most prescribed
- Atorvastatin Calcium913 claims
- Lisinopril774 claims
- Omeprazole615 claims
- Levothyroxine Sodium595 claims
- Amlodipine Besylate529 claims
- Losartan Potassium490 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
- Springfield Clinic, LLPCarlinville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth E. Obrien among 7,238 internal medicine physician records in Illinois
Elizabeth E. Obrien, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1998 · median 2003 among the 3,580 with a school on file
- Record last updated2020 · 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 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Carlinville
They are 2 of the 120 NPPES records with a practice address in Carlinville, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Carlinville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gregg Laws, MDCarlinville, IL 626261861598534
- Kayla Miller, M.D.Havana, IL 626441033524350
- Daniel Stoops, M.D.Havana, IL 626441801953724
- Carlos Urdininea Kirkwood, M.D.Havana, IL 626441003120783
- Richard Wagoner, M.D.Havana, IL 626441861458952
- Tad Yetter, M.D.Havana, IL 626441245296979
- Thomas Baker, M.D.Jacksonville, IL 626501679744221
- David Coultas, M.D.Jacksonville, IL 626501902804495
Common questions
What is Elizabeth E. Obrien, M.D.'s NPI number?
Elizabeth E. Obrien, M.D.'s National Provider Identifier (NPI) is 1881650570, issued on Apr 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth E. Obrien, M.D. located?
The NPPES record lists a practice address at 20613 N Broad St, Carlinville, IL, 62626. Phone: (217) 854-5099. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth E. Obrien, M.D.'s license?
NPPES lists Illinois license number 036121379, 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 Elizabeth E. Obrien, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth E. Obrien, M.D. had 18,110 Medicare Part D claims for 752 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.