Doctor profile · Federal record

Dr. John Tyznik, M.D.

Family Medicine Physician · Sports Medicine (Family Medicine) Physician · Gahanna, OH

  • NPI 1811964786
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
725 Buckles Court North, Suite 100
Gahanna, OH 43230
(614) 471-9654
fax (614) 392-4586

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
November 21, 2018
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Ohio #35-047610
Medicaid
OH #0537262

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811964786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,618
Distinct HCPCS
10
Medicare allowed
$62,258
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 241 163 $8
83036 Hemoglobin a1c level 161 113 $9
80048 Blood test, basic group of blood chemicals (calcium, total) 159 123 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 151 129 $121
80061 Blood test, lipids (cholesterol and triglycerides) 143 123 $13
99213 Established patient office or other outpatient visit, 20-29 minutes 118 83 $86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 114 114 $123
83721 Ldl cholesterol level 66 66 $10
84478 Triglycerides level 64 64 $6
80053 Blood test, comprehensive group of blood chemicals 63 61 $10

In context: peer comparison

Among 19 peers in this city , average services per provider: 55. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$71
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 2 $41.02
Astellas Pharma US Inc 1 $16.00
GlaxoSmithKline, LLC. 1 $14.25

By nature of payment

Food and Beverage
$71

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,188
Patients
728
Total drug cost
$34,933
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 504 166 $6,978
Simvastatin Generic 168 54 $1,289
Lisinopril Generic 138 50 $1,113
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 138 43 $934
Levothyroxine Sodium Generic 135 42 $2,100
Rosuvastatin Calcium Generic 133 43 $7,452
Metformin Hcl Er (Metformin Hcl) Brand 132 42 $1,842
Tamsulosin Hcl Generic 131 46 $3,921
Omeprazole Generic 125 42 $1,611
Amlodipine Besylate Generic 124 47 $873

Frequently asked questions

Auto-generated from federal data
What is Dr. John Tyznik's medical specialty?
Dr. John Tyznik practices Family Medicine Physician in Gahanna, OH.
Where does Dr. John Tyznik practice?
Dr. John Tyznik practices at 725 Buckles Court North, Gahanna, OH 43230. Office phone: 6144719654.
What is Dr. John Tyznik's NPI?
Dr. John Tyznik's National Provider Identifier (NPI) is 1811964786, issued by NPPES.
What procedures does Dr. John Tyznik commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Hemoglobin a1c level (HCPCS 83036); Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048). Source: CMS Medicare Physician & Other Practitioners file.