Doctor profile · Federal record

Dr. Mark Conley, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Park Ridge, IL

  • NPI 1366471856
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1775 Ballard RD
Park Ridge, IL 600681005
(847) 318-9340

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
December 16, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036089145
Medicaid
IL #036089145

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366471856. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,433
Distinct HCPCS
10
Medicare allowed
$212,427
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 533 336 $133
36415 Insertion of needle into vein for collection of blood sample 357 254 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 291 238 $94
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 245 245 $133
93793 Anticoagulant management of patient taking warfarin 167 62 $12
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 163 55 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 119 39 $125
G0008 Administration of influenza virus vaccine 90 88 $32
90662 Influenza vaccine split virus, preservative free 86 84 $72
83036 Hemoglobin a1c level 57 50 $9

In context: peer comparison

Among 31 peers in this city , average services per provider: 123. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$180
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 3 $179.91

By nature of payment

Long term medical supply or device loan
$180

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,322
Patients
963
Total drug cost
$174,723
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 512 148 $8,282
Losartan Potassium Generic 328 98 $5,337
Amlodipine Besylate Generic 325 99 $3,719
Lisinopril Generic 309 94 $3,313
Levothyroxine Sodium Generic 274 69 $5,579
Rosuvastatin Calcium Generic 201 69 $3,683
Metformin Hcl Generic 197 57 $2,157
Hydrochlorothiazide Generic 195 57 $1,394
Metoprolol Succinate Generic 183 52 $4,153
Simvastatin Generic 156 45 $1,713

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Conley's medical specialty?
Dr. Mark Conley practices Internal Medicine Physician in Park Ridge, IL.
Where does Dr. Mark Conley practice?
Dr. Mark Conley practices at 1775 Ballard RD, Park Ridge, IL 600681005. Office phone: 8473189340.
What is Dr. Mark Conley's NPI?
Dr. Mark Conley's National Provider Identifier (NPI) is 1366471856, issued by NPPES.
Does Dr. Mark Conley accept Medicare assignment?
Yes. Dr. Mark Conley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Conley 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.