Doctor profile · Federal record

Dr. Kenneth Hayes, M.D.

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

  • NPI 1700812872
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 S Clark St, Suite 1100
Chicago, IL 606031802
(312) 926-7443

Credentials & registration

NPPES · NUCC
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

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700812872. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
587
Distinct HCPCS
9
Medicare allowed
$66,139
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 148 120 $136
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 113 113 $137
36415 Insertion of needle into vein for collection of blood sample 99 85 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 74 59 $189
99213 Established patient office or other outpatient visit, 20-29 minutes 40 39 $96
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 29 29 $282
G0008 Administration of influenza virus vaccine 29 29 $32
G0009 Administration of pneumococcal vaccine 29 29 $32
90662 Influenza vaccine split virus, preservative free 26 26 $72

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 3.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,296
Patients
365
Total drug cost
$24,969
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 326 90 $5,723
Amlodipine Besylate Generic 191 56 $2,712
Levothyroxine Sodium Generic 101 27 $1,905
Rosuvastatin Calcium Generic 99 35 $2,675
Losartan Potassium Generic 97 28 $1,927
Lisinopril Generic 76 20 $974
Metoprolol Succinate Generic 67 20 $1,484
Hydrochlorothiazide Generic 55 19 $391
Metformin Hcl Generic 48 16 $730
Chlorthalidone Generic 45 13 $1,576

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Hayes's medical specialty?
Dr. Kenneth Hayes practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Kenneth Hayes practice?
Dr. Kenneth Hayes practices at 20 S Clark St, Chicago, IL 606031802. Office phone: 3129267443.
What is Dr. Kenneth Hayes's NPI?
Dr. Kenneth Hayes's National Provider Identifier (NPI) is 1700812872, issued by NPPES.
Does Dr. Kenneth Hayes accept Medicare assignment?
Yes. Dr. Kenneth Hayes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Hayes 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); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.