Doctor profile · Federal record

Dr. Robia Byas, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL

  • NPI 1093748758
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9831 S Western Ave
Chicago, IL 606431791
(773) 445-3500
Mailing address
29373 Network Pl
Chicago, IL 606731225

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 17, 2022
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-112176

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093748758. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,068
Distinct HCPCS
8
Medicare allowed
$80,910
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 401 150 $133
36415 Insertion of needle into vein for collection of blood sample 318 121 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 92 92 $134
82962 Blood glucose (sugar) test performed by hand-held instrument 72 39 $3
G0008 Administration of influenza virus vaccine 68 68 $32
90662 Influenza vaccine split virus, preservative free 63 63 $72
99215 Established patient office or other outpatient visit, 40-54 minutes 28 20 $181
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 26 15 $22

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,329
Patients
1,356
Total drug cost
$54,894
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 685 212 $5,106
Atorvastatin Calcium Generic 632 210 $8,432
Losartan Potassium Generic 447 131 $5,183
Metoprolol Succinate Generic 333 103 $5,444
Gabapentin Generic 228 85 $4,697
Lisinopril Generic 227 71 $2,268
Nifedipine ER (Nifedipine) Brand 219 66 $8,050
Metformin Hcl Generic 214 64 $1,959
Furosemide Generic 205 68 $984
Omeprazole Generic 204 65 $2,554

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robia Byas's medical specialty?
Dr. Robia Byas practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Robia Byas practice?
Dr. Robia Byas practices at 9831 S Western Ave, Chicago, IL 606431791. Office phone: 7734453500.
What is Dr. Robia Byas's NPI?
Dr. Robia Byas's National Provider Identifier (NPI) is 1093748758, issued by NPPES.
Does Dr. Robia Byas accept Medicare assignment?
Yes. Dr. Robia Byas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robia Byas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.