Doctor profile · Federal record

Dr. RANDY GRELLNER, DO

Family Medicine Physician (CMS: FAMILY PRACTICE) · CUSHING, OK

  • NPI 1356364376
  • Accepts Medicare
  • MIPS 89.6 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1025 E 2ND ST
CUSHING, OK 740234136
(918) 225-3627
fax (918) 225-1008

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 1, 2014
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Oklahoma #3663
Medicaid
OK #100137700B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356364376. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
31,497
Distinct HCPCS
10
Medicare allowed
$272,937
HCPCS Description Services Patients Avg allowed
J1071 Injection, testosterone cypionate, 1 mg 23,216 33 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,670 144 $0
J0897 Injection, denosumab, 1 mg 1,380 18 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 848 396 $118
99213 Established patient office or other outpatient visit, 20-29 minutes 817 374 $84
36415 Insertion of needle into vein for collection of blood sample 619 367 $8
96372 Injection of drug or substance under skin or into muscle 561 207 $13
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 512 83 $1
J0696 Injection, ceftriaxone sodium, per 250 mg 308 51 $1
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 215 215 $121

In context: peer comparison

Among 3 peers in this city , average services per provider: 822. This provider delivers 38× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,412
Transactions
73
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 19 $399.95
Otsuka America Pharmaceutical, Inc. 12 $160.37
GlaxoSmithKline, LLC. 5 $102.01
Lilly USA, LLC 6 $87.88
PFIZER INC. 6 $83.53
Sumitomo Pharma America, Inc. 4 $80.33
ABBVIE INC. 4 $76.31
Novo Nordisk Inc 3 $52.93
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 3 $48.11
Edwards Lifesciences Corporation 1 $39.12
Alkermes, Inc. 2 $33.25
Ortho Dermatologics, a division of Bausch Health US, LLC 2 $33.06
Phathom Pharmaceuticals, Inc. 2 $31.10
Janssen Pharmaceuticals, Inc 2 $30.81
Axsome Therapeutics, Inc. 2 $29.75

By nature of payment

Food and Beverage
$1,412

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,893
Patients
958
Total drug cost
$53,829
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 411 100 $6,047
Atorvastatin Calcium Generic 380 97 $5,554
Pantoprazole Sodium Generic 355 74 $5,724
Gabapentin Generic 318 72 $6,209
Potassium Chloride Generic 306 66 $6,073
Lisinopril Generic 282 65 $3,220
Amlodipine Besylate Generic 239 64 $2,157
Omeprazole Generic 230 61 $4,550
Losartan Potassium Generic 227 51 $2,607
Hydrochlorothiazide Generic 219 68 $741

Hospital affiliations

CMS Hospital Compare