Doctor profile · Federal record

Dr. Kathryn Kiehn, M.D.

Rheumatology Physician (CMS: Rheumatology) · Lake Forest, IL

  • NPI 1700834348
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
800 N Westmoreland RD Ste 201
Lake Forest, IL 600451687
(847) 535-7647
Additional location
900 N Westmoreland RD, Suite 218
Lake Forest, IL 600451674
(847) 739-2126
fax (847) 482-0363
Mailing address
680 N Lake Shore Dr
Chicago, IL 606114546

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 19, 2019
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Illinois #36133721

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700834348. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87,323
Distinct HCPCS
10
Medicare allowed
$995,745
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 27,000 24 $1
J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 23,800 13 $5
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 6,925 26 $42
J0897 Injection, denosumab, 1 mg 6,780 92 $23
J1756 Injection, iron sucrose, 1 mg 6,400 13 $0
J1602 Injection, golimumab, 1 mg, for intravenous use 5,400 12 $13
J3111 Injection, romosozumab-aqqg, 1 mg 4,620 13 $10
J2357 Injection, omalizumab, 5 mg 2,310 11 $38
J1745 Injection, infliximab, excludes biosimilar, 10 mg 2,275 17 $33
99214 Established patient office or other outpatient visit, 30-39 minutes 468 254 $133

In context: peer comparison

Among 4 peers in this city , average services per provider: 3,908. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$86
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $85.80

By nature of payment

Food and Beverage
$86

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,035
Patients
265
Total drug cost
$176,742
Drug Type Claims Patients Total cost
Prednisone Generic 179 46 $2,162
Methotrexate (Methotrexate Sodium) Brand 177 47 $8,561
Hydroxychloroquine Sulfate Generic 161 52 $12,434
Celecoxib Generic 76 24 $3,364
Leflunomide Generic 71 21 $10,653
Meloxicam Generic 60 26 $476
Allopurinol Generic 54 12 $895
Tramadol Hcl Generic 51 0 $130
Duloxetine Hcl Generic 42 13 $2,378
Gabapentin Generic 38 11 $1,374

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Kiehn's medical specialty?
Dr. Kathryn Kiehn practices Rheumatology Physician in Lake Forest, IL.
Where does Dr. Kathryn Kiehn practice?
Dr. Kathryn Kiehn practices at 800 N Westmoreland RD Ste 201, Lake Forest, IL 600451687. Office phone: 8475357647.
What is Dr. Kathryn Kiehn's NPI?
Dr. Kathryn Kiehn's National Provider Identifier (NPI) is 1700834348, issued by NPPES.
Does Dr. Kathryn Kiehn accept Medicare assignment?
Yes. Dr. Kathryn Kiehn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Kiehn commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0717); Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0129). Source: CMS Medicare Physician & Other Practitioners file.