Doctor profile · Federal record
Dr. Kellyn Marks, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL
- NPI 1215973599
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
201 E Huron St, 12Th Fl Suite 105
Chicago, IL 606113197
(312) 926-5111
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215973599. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,250
Distinct HCPCS
10
Medicare allowed
$136,614
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 385 | 274 | $135 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 249 | 249 | $137 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 167 | 118 | $96 | |
G0008 |
Administration of influenza virus vaccine | 64 | 64 | $32 | |
90662 |
Influenza vaccine split virus, preservative free | 62 | 62 | $72 | |
0124A |
Adm sarscv2 bvl 30mcg/.3ml a | 52 | 52 | $43 | |
91312 |
Sarscov2 vac bvl 30mcg/0.3ml | 52 | 52 | $0 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 48 | 41 | $190 | |
G0009 |
Administration of pneumococcal vaccine | 31 | 31 | $32 | |
83036 |
Hemoglobin a1c level | 30 | 23 | $10 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 7.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,635
Patients
783
Total drug cost
$48,504
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 641 | 188 | $10,346 |
| Amlodipine Besylate | Generic | 318 | 93 | $4,194 |
| Losartan Potassium | Generic | 306 | 89 | $4,720 |
| Levothyroxine Sodium | Generic | 210 | 58 | $4,336 |
| Rosuvastatin Calcium | Generic | 196 | 66 | $3,417 |
| Lisinopril | Generic | 125 | 39 | $1,665 |
| Simvastatin | Generic | 121 | 33 | $1,320 |
| Alendronate Sodium | Generic | 116 | 37 | $1,606 |
| Metoprolol Succinate | Generic | 115 | 32 | $2,739 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 88 | 31 | $1,391 |
Hospital affiliations
Frequently asked questions
What is Dr. Kellyn Marks's medical specialty?
Dr. Kellyn Marks practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Kellyn Marks practice?
Dr. Kellyn Marks practices at 201 E Huron St, Chicago, IL 606113197. Office phone: 3129265111.
What is Dr. Kellyn Marks's NPI?
Dr. Kellyn Marks's National Provider Identifier (NPI) is 1215973599, issued by NPPES.
Does Dr. Kellyn Marks accept Medicare assignment?
Yes. Dr. Kellyn Marks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kellyn Marks commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.