Doctor profile · Federal record
Dr. Elizabeth Marshall, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Park Ridge, IL
- NPI 1225666902
- Accepts Medicare
- 6 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1775 Ballard RD
Park Ridge, IL 600681005
(847) 318-9340
Credentials & registration
- NPI registered
- March 2020 — 6 yrs on file
- Profile last updated
- November 2, 2022
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #125.076834
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225666902. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
134
Distinct HCPCS
2
Medicare allowed
$22,446
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 123 | 120 | $165 | |
99236 |
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes | 11 | 11 | $198 |
In context: peer comparison
Among 31 peers in Park Ridge Internal Medicine Physician, average services per provider: 123. This provider delivers 1.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
14
Patients
0
Total drug cost
$121
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 14 | 0 | $121 |
Hospital affiliations
Frequently asked questions
What is Dr. Elizabeth Marshall's medical specialty?
Dr. Elizabeth Marshall practices Internal Medicine Physician in Park Ridge, IL.
Where does Dr. Elizabeth Marshall practice?
Dr. Elizabeth Marshall practices at 1775 Ballard RD, Park Ridge, IL 600681005. Office phone: 8473189340.
What is Dr. Elizabeth Marshall's NPI?
Dr. Elizabeth Marshall's National Provider Identifier (NPI) is 1225666902, issued by NPPES.
Does Dr. Elizabeth Marshall accept Medicare assignment?
Yes. Dr. Elizabeth Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Marshall commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with same-day admission and discharge with high level of medical decision making (HCPCS 99236). Source: CMS Medicare Physician & Other Practitioners file.