Elizabeth Obrien, M.D.
Internal Medicine Physician · Carlinville, IL
Elizabeth 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 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
- Entity
- Type 1 · individual
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 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). Star ratings are CMS hospital ratings, not ratings of this provider.
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 2 in Carlinville → All 7,238 in Illinois → Every provider in Carlinville →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Elmer Abbo, MDBurr Ridge, IL1710048541
- Paul Abbo, M.D.River Forest, IL1083693378
Common questions
What is Elizabeth Obrien, M.D.'s NPI number?
Elizabeth 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 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 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 Obrien, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth 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), loaded Aug 27, 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) 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 27, 2026.