Doctor profile · Federal record
Dr. Elizabeth Obrien, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Carlinville, IL
- NPI 1881650570
- Accepts Medicare
- 28 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20613 N Broad St
Carlinville, IL 626263717
(217) 854-5099 - Mailing address
-
1025 S 6Th St
Springfield, IL 627032403
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- May 21, 2020
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Illinois #036121379 · Wisconsin #41416-020
- Medicaid
- IL #036121379
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881650570. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,171
Distinct HCPCS
10
Medicare allowed
$47,503
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
85610 |
Blood test, clotting time | 461 | 31 | $4 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 213 | 191 | $125 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 127 | 101 | $88 | |
83037 |
Hemoglobin a1c level, by device for home use | 100 | 93 | $10 | |
81003 |
Automated urinalysis test | 73 | 59 | $2 | |
83036 |
Hemoglobin a1c level | 58 | 56 | $10 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 51 | 44 | $50 | |
82570 |
Creatinine level to test for kidney function or muscle injury | 48 | 45 | $5 | |
87502 |
Detection test by nucleic acid for multiple types influenza virus | 27 | 27 | $94 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 13 | 13 | $53 |
In context: peer comparison
Among 1 peers in Carlinville Internal Medicine Physician, average services per provider: 117. This provider delivers 10× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
6,025
Patients
1,337
Total drug cost
$59,101
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lisinopril | Generic | 658 | 162 | $4,591 |
| Atorvastatin Calcium | Generic | 592 | 145 | $6,767 |
| Levothyroxine Sodium | Generic | 513 | 105 | $5,352 |
| Omeprazole | Generic | 506 | 117 | $6,207 |
| Furosemide | Generic | 439 | 85 | $2,008 |
| Amlodipine Besylate | Generic | 431 | 106 | $3,733 |
| Hydrochlorothiazide | Generic | 428 | 105 | $1,477 |
| Metoprolol Tartrate | Generic | 412 | 98 | $2,979 |
| Losartan Potassium | Generic | 405 | 100 | $5,813 |
| Metoprolol Succinate | Generic | 385 | 81 | $5,420 |
Hospital affiliations
Frequently asked questions
What is Dr. Elizabeth Obrien's medical specialty?
Dr. Elizabeth Obrien practices Internal Medicine Physician in Carlinville, IL.
Where does Dr. Elizabeth Obrien practice?
Dr. Elizabeth Obrien practices at 20613 N Broad St, Carlinville, IL 626263717. Office phone: 2178545099.
What is Dr. Elizabeth Obrien's NPI?
Dr. Elizabeth Obrien's National Provider Identifier (NPI) is 1881650570, issued by NPPES.
Does Dr. Elizabeth Obrien accept Medicare assignment?
Yes. Dr. Elizabeth Obrien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Obrien commonly perform?
Top Medicare-reported procedures in 2023: Blood test, clotting time (HCPCS 85610); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.