Doctor profile · Federal record
Dr. Katherine Bayer, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Chicago, IL
- NPI 1548587504
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
808 S Wood St, 469 Cme, M/C 724
Chicago, IL 606127300
(866) 600-2273 - Mailing address
-
452 Inverrary Ln
Deerfield, IL 600153604
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- January 24, 2020
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Illinois #036.131241
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548587504. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
400
Distinct HCPCS
10
Medicare allowed
$27,052
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 89 | 83 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 80 | 79 | $134 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 63 | 63 | $96 | |
71046 |
X-ray of chest, 2 views | 29 | 29 | $25 | |
81003 |
Automated urinalysis test | 28 | 28 | $2 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 27 | 26 | $50 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $177 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 22 | 21 | $16 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 14 | 14 | $96 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $120 |
In context: peer comparison
Among 334 peers in this city , average services per provider: 87. This provider delivers 4.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
113
Patients
113
Total drug cost
$1,122
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 35 | 35 | $403 |
| Doxycycline Hyclate | Generic | 19 | 19 | $291 |
| Azithromycin | Generic | 17 | 17 | $107 |
| Prednisone | Generic | 17 | 17 | $30 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 13 | 13 | $139 |
| Cephalexin | Generic | 12 | 12 | $152 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Bayer's medical specialty?
Dr. Katherine Bayer practices Emergency Medicine Physician in Chicago, IL.
Where does Dr. Katherine Bayer practice?
Dr. Katherine Bayer practices at 808 S Wood St, Chicago, IL 606127300. Office phone: 8666002273.
What is Dr. Katherine Bayer's NPI?
Dr. Katherine Bayer's National Provider Identifier (NPI) is 1548587504, issued by NPPES.
Does Dr. Katherine Bayer accept Medicare assignment?
Yes. Dr. Katherine Bayer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Bayer commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); 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.