Doctor profile · Federal record

Dr. Gwen Markham, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Registered Nurse · Kankakee, IL

  • NPI 1326191636
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
350 N Wall St
Kankakee, IL 609012901
(815) 993-1671
fax (815) 936-6971
Mailing address
Po Box 13749
Philadelphia, PA 191013749

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 7, 2014
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Illinois #209-003239 · Illinois #041-286365

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326191636. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
163
Distinct HCPCS
2
Medicare allowed
$20,166
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 149 137 $115
00300 Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back 14 14 $213

In context: peer comparison

Among 5 peers in this city , average services per provider: 35. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $13.95

By nature of payment

Food and Beverage
$14

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gwen Markham's medical specialty?
Dr. Gwen Markham practices Certified Registered Nurse Anesthetist in Kankakee, IL.
Where does Dr. Gwen Markham practice?
Dr. Gwen Markham practices at 350 N Wall St, Kankakee, IL 609012901. Office phone: 8159931671.
What is Dr. Gwen Markham's NPI?
Dr. Gwen Markham's National Provider Identifier (NPI) is 1326191636, issued by NPPES.
Does Dr. Gwen Markham accept Medicare assignment?
Dr. Gwen Markham does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Gwen Markham commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back (HCPCS 00300). Source: CMS Medicare Physician & Other Practitioners file.