Doctor profile · Federal record

Dr. David Mayor, MD

Emergency Medical Services (Emergency Medicine) Physician (CMS: Emergency Medicine) · Dekalb, IL

  • NPI 1184684565
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Kish Hospital Dr
Dekalb, IL 601159602
(815) 748-2972

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
November 27, 2019
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207PE0004X — NUCC code
State license (1)
Illinois #036064974
Medicaid
IL #036064974

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184684565. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
532
Distinct HCPCS
4
Medicare allowed
$84,174
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 298 261 $178
99284 Emergency department visit with moderate level of medical decision making 180 163 $122
99291 Critical care, first 30-74 minutes 36 36 $214
99283 Emergency department visit with low level of medical decision making 18 18 $73

In context: peer comparison

Among 1 peers in this city , average services per provider: 133. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
456
Patients
439
Total drug cost
$2,694
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 101 97 $376
Cephalexin Generic 62 57 $524
Ibuprofen Generic 53 52 $219
Ondansetron Odt (Ondansetron) Brand 49 48 $222
Dicyclomine Hcl Generic 35 34 $236
Lorazepam Generic 34 32 $174
Methylprednisolone Generic 34 33 $351
Cyclobenzaprine Hcl Generic 29 28 $179
Alprazolam Generic 20 19 $46
Azithromycin Generic 14 14 $93

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Mayor's medical specialty?
Dr. David Mayor practices Emergency Medical Services (Emergency Medicine) Physician in Dekalb, IL.
Where does Dr. David Mayor practice?
Dr. David Mayor practices at 1 Kish Hospital Dr, Dekalb, IL 601159602. Office phone: 8157482972.
What is Dr. David Mayor's NPI?
Dr. David Mayor's National Provider Identifier (NPI) is 1184684565, issued by NPPES.
Does Dr. David Mayor accept Medicare assignment?
Yes. Dr. David Mayor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Mayor commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.