Doctor profile · Federal record

Dr. John Unison, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Plainfield, IN

  • NPI 1972598951
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 Southfield Dr, Suite 1220
Plainfield, IN 461684498
(317) 838-3443
fax (317) 838-3444

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
March 17, 2021
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Indiana #01044012A
Medicaid
IN #200184770A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972598951. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,079
Distinct HCPCS
10
Medicare allowed
$109,230
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 355 297 $120
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 249 249 $123
G0008 Administration of influenza virus vaccine 90 88 $28
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 86 84 $75
99213 Established patient office or other outpatient visit, 20-29 minutes 81 75 $84
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 40 18 $59
G0009 Administration of pneumococcal vaccine 34 34 $23
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 30 14 $45
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 28 28 $157
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 23 23 $158

In context: peer comparison

Among 4 peers in this city , average services per provider: 61. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$79
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 4 $62.10
SANOFI PASTEUR INC. 1 $17.14

By nature of payment

Food and Beverage
$79

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,808
Patients
1,018
Total drug cost
$50,587
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 531 148 $5,810
Levothyroxine Sodium Generic 387 93 $6,143
Amlodipine Besylate Generic 350 96 $2,398
Rosuvastatin Calcium Generic 301 81 $4,196
Omeprazole Generic 245 66 $4,788
Lisinopril Generic 241 60 $1,702
Pantoprazole Sodium Generic 241 67 $4,192
Losartan Potassium Generic 232 60 $2,715
Metoprolol Succinate Generic 220 59 $3,732
Meloxicam Generic 195 57 $1,213

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Unison's medical specialty?
Dr. John Unison practices Internal Medicine Physician in Plainfield, IN.
Where does Dr. John Unison practice?
Dr. John Unison practices at 1100 Southfield Dr, Plainfield, IN 461684498. Office phone: 3178383443.
What is Dr. John Unison's NPI?
Dr. John Unison's National Provider Identifier (NPI) is 1972598951, issued by NPPES.
Does Dr. John Unison accept Medicare assignment?
Yes. Dr. John Unison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Unison 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); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.