Doctor profile · Federal record

Dr. Karen Johns, MD

Family Medicine Physician (CMS: Family Practice) · Indianapolis, IN

  • NPI 1427147446
  • Accepts Medicare
  • 42 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10421 E County Road 100 N
Indianapolis, IN 462341243
(317) 272-7013
fax (317) 272-7007

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
March 22, 2021
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Indiana #01034497
Medicaid
IN #100134270

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427147446. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,555
Distinct HCPCS
10
Medicare allowed
$111,102
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 424 245 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 381 206 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 289 171 $84
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 204 204 $120
G0008 Administration of influenza virus vaccine 77 77 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 58 58 $76
81003 Automated urinalysis test 49 31 $2
96372 Injection of drug or substance under skin or into muscle 23 14 $13
99496 Transitional care management services for problem of high complexity 21 18 $257
G0009 Administration of pneumococcal vaccine 16 16 $29

In context: peer comparison

Among 145 peers in this city , average services per provider: 68. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$77
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 3 $46.49
GlaxoSmithKline, LLC. 2 $30.30

By nature of payment

Food and Beverage
$77

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,321
Patients
1,208
Total drug cost
$64,810
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 561 151 $8,707
Levothyroxine Sodium Generic 517 126 $7,716
Amlodipine Besylate Generic 385 112 $2,370
Simvastatin Generic 329 90 $3,254
Metformin Hcl Er (Metformin Hcl) Brand 315 84 $4,403
Rosuvastatin Calcium Generic 306 92 $6,812
Metoprolol Succinate Generic 280 85 $6,228
Losartan Potassium Generic 268 80 $3,910
Lisinopril Generic 261 72 $2,065
Alendronate Sodium Generic 241 72 $2,658

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Johns's medical specialty?
Dr. Karen Johns practices Family Medicine Physician in Indianapolis, IN.
Where does Dr. Karen Johns practice?
Dr. Karen Johns practices at 10421 E County Road 100 N, Indianapolis, IN 462341243. Office phone: 3172727013.
What is Dr. Karen Johns's NPI?
Dr. Karen Johns's National Provider Identifier (NPI) is 1427147446, issued by NPPES.
Does Dr. Karen Johns accept Medicare assignment?
Yes. Dr. Karen Johns accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Johns commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.