Doctor profile · Federal record

Dr. Patrick Lay, MD

Internal Medicine Physician · Skokie, IL

  • NPI 1639238405
  • MIPS 90.4 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9977 Woods Dr, 1St Floor
Skokie, IL 600771057
(847) 663-8350
fax (847) 663-1017
Mailing address
2650 Ridge Ave, Evanston Hospital
Evanston, IL 602011718

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
October 6, 2020
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-092840

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639238405. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
670
Distinct HCPCS
7
Medicare allowed
$72,473
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 260 199 $103
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 178 178 $137
99213 Established patient office or other outpatient visit, 20-29 minutes 99 88 $70
99215 Established patient office or other outpatient visit, 40-54 minutes 79 71 $152
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 32 31 $9
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $38
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 11 11 $140

In context: peer comparison

Among 21 peers in Skokie Internal Medicine Physician, average services per provider: 110. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,446
Patients
1,071
Total drug cost
$48,879
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 794 233 $11,510
Amlodipine Besylate Generic 516 152 $5,179
Losartan Potassium Generic 392 124 $5,860
Metformin Hcl Generic 342 100 $4,259
Levothyroxine Sodium Generic 201 65 $3,338
Metoprolol Succinate Generic 179 59 $3,842
Omeprazole Generic 173 57 $3,486
Simvastatin Generic 165 49 $1,588
Lisinopril Generic 154 50 $1,894
Tamsulosin Hcl Generic 150 52 $3,653

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Lay's medical specialty?
Dr. Patrick Lay practices Internal Medicine Physician in Skokie, IL.
Where does Dr. Patrick Lay practice?
Dr. Patrick Lay practices at 9977 Woods Dr, Skokie, IL 600771057. Office phone: 8476638350.
What is Dr. Patrick Lay's NPI?
Dr. Patrick Lay's National Provider Identifier (NPI) is 1639238405, issued by NPPES.
What procedures does Dr. Patrick Lay 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.