Doctor profile · Federal record

Dr. Kathryn Ray, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Hoffman Estates, IL

  • NPI 1275620700
  • Accepts Medicare
  • MIPS 75.4 / 100 · 2023
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1721 Moon Lake Blvd Ste 100
Hoffman Estates, IL 601695700
(847) 884-9700
Additional location
1083 Lake Cook RD
Wheeling, IL 60090
(847) 808-7070
fax (847) 808-7474
Mailing address
2801 Lakeside Dr, Ste 209
Bannockburn, IL 600151271

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Illinois #036-091075
Medicaid
IL #36091075

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275620700. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
249
Distinct HCPCS
6
Medicare allowed
$17,503
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 67 67 $43
99213 Established patient office or other outpatient visit, 20-29 minutes 64 48 $96
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 34 34 $46
81003 Automated urinalysis test 31 24 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 27 22 $131
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 26 20 $128

In context: peer comparison

Among 3 peers in this city , average services per provider: 131. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$835
Transactions
31
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 2 $243.69
Astellas Pharma US Inc 7 $141.26
Sumitomo Pharma America, Inc. 4 $92.26
Gynesonics, Inc. 3 $65.02
MAYNE PHARMA COMMERCIAL LLC 3 $64.44
Exeltis, USA Inc. 3 $61.47
CooperSurgical, Inc. 3 $53.71
Hologic Sales and Service, LLC 2 $45.05
PFIZER INC. 2 $35.33
Merck Sharp & Dohme LLC 2 $33.24

By nature of payment

Food and Beverage
$835

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
0
Total drug cost
$1,043
Drug Type Claims Patients Total cost
Estradiol Generic 17 0 $1,043

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Ray's medical specialty?
Dr. Kathryn Ray practices Obstetrics & Gynecology Physician in Hoffman Estates, IL.
Where does Dr. Kathryn Ray practice?
Dr. Kathryn Ray practices at 1721 Moon Lake Blvd Ste 100, Hoffman Estates, IL 601695700. Office phone: 8478849700.
What is Dr. Kathryn Ray's NPI?
Dr. Kathryn Ray's National Provider Identifier (NPI) is 1275620700, issued by NPPES.
Does Dr. Kathryn Ray accept Medicare assignment?
Yes. Dr. Kathryn Ray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Ray commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99213); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.