Doctor profile · Federal record

Dr. Mark Vexelman, MD

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

  • NPI 1700896750
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 E Huron Street, Suite 805
Chicago, IL 606112912
(312) 649-6565
fax (312) 649-9842

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
August 21, 2008
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036095873
Medicaid
IL #036095873

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700896750. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,620
Distinct HCPCS
10
Medicare allowed
$387,815
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 761 166 $113
99214 Established patient office or other outpatient visit, 30-39 minutes 520 255 $136
36415 Insertion of needle into vein for collection of blood sample 473 274 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 384 252 $96
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 347 90 $79
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 238 238 $137
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 225 56 $85
G0444 Annual depression screening, 5 to 15 minutes 223 223 $19
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 175 174 $16
99212 Established patient office or other outpatient visit, 10-19 minutes 168 69 $60

In context: peer comparison

Among 295 peers in this city , average services per provider: 85. This provider delivers 54× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$193
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ETS Wound Care LLC 4 $95.37
PFIZER INC. 1 $36.76
Reapplix Inc. 2 $33.79
Solventum Corporation 1 $26.67

By nature of payment

Food and Beverage
$193

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,963
Patients
1,427
Total drug cost
$338,172
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,228 257 $18,468
Amlodipine Besylate Generic 739 164 $7,065
Metoprolol Succinate Generic 576 130 $11,718
Levothyroxine Sodium Generic 571 107 $9,691
Lisinopril Generic 463 96 $4,765
Eliquis (Apixaban) Brand 453 71 $247,040
Furosemide Generic 382 79 $2,227
Gabapentin Generic 364 68 $7,349
Losartan Potassium Generic 347 70 $5,013
Hydrochlorothiazide Generic 328 72 $2,554

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Vexelman's medical specialty?
Dr. Mark Vexelman practices Family Medicine Physician in Chicago, IL.
Where does Dr. Mark Vexelman practice?
Dr. Mark Vexelman practices at 150 E Huron Street, Chicago, IL 606112912. Office phone: 3126496565.
What is Dr. Mark Vexelman's NPI?
Dr. Mark Vexelman's National Provider Identifier (NPI) is 1700896750, issued by NPPES.
Does Dr. Mark Vexelman accept Medicare assignment?
Yes. Dr. Mark Vexelman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Vexelman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.