Doctor profile · Federal record

Dr. Gretchen Shull, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Joplin, MO

  • NPI 1689621336
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Mercy Way, Ste 580
Joplin, MO 648044524
(417) 556-8555
fax (417) 556-8553

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 21, 2016
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Missouri #2009008010 · Kansas #31728
Medicaid (3)
KS #200377150F · OK #200252390A · MO #1689621336

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689621336. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,755
Distinct HCPCS
10
Medicare allowed
$174,461
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 2,520 23 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 352 294 $119
99215 Established patient office or other outpatient visit, 40-54 minutes 223 153 $166
83036 Hemoglobin a1c level 187 142 $9
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 176 120 $33
96372 Injection of drug or substance under skin or into muscle 98 29 $13
99204 New patient office or other outpatient visit, 45-59 minutes 75 75 $157
99205 New patient office or other outpatient visit, 60-74 minutes 70 70 $206
36415 Insertion of needle into vein for collection of blood sample 33 27 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 21 21 $84

In context: peer comparison

Among 3 peers in this city , average services per provider: 212. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$573
Transactions
32
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 10 $138.92
Amgen Inc. 4 $83.78
Dexcom, Inc. 3 $57.33
Novartis Pharmaceuticals Corporation 2 $40.46
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $35.65
Antares Pharma, Inc. 2 $35.46
Ascendis Pharma Inc 1 $23.02
Lilly USA, LLC 1 $22.92
Abbott Laboratories 1 $22.09
Radius Health, Inc. 1 $18.96
Tandem Diabetes Care, Inc. 1 $18.22
CeQur Corporation 1 $16.81
Medtronic, Inc. 1 $16.74
Bayer Healthcare Pharmaceuticals Inc. 1 $15.24
SANOFI-AVENTIS U.S. LLC 1 $14.16

By nature of payment

Food and Beverage
$573

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,791
Patients
514
Total drug cost
$641,922
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 551 145 $8,544
Ozempic (Semaglutide) Brand 191 51 $280,206
Metformin Hcl Er (Metformin Hcl) Brand 151 52 $1,972
Synthroid (Levothyroxine Sodium) Brand 109 26 $8,412
Pregabalin Generic 106 16 $7,049
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 105 32 $68,696
Novolog Flexpen (Insulin Aspart) Brand 86 34 $91,558
Metformin Hcl Generic 77 28 $1,244
Rosuvastatin Calcium Generic 73 19 $1,107
Trulicity (Dulaglutide) Brand 73 17 $119,398

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gretchen Shull's medical specialty?
Dr. Gretchen Shull practices Endocrinology, Diabetes & Metabolism Physician in Joplin, MO.
Where does Dr. Gretchen Shull practice?
Dr. Gretchen Shull practices at 100 Mercy Way, Joplin, MO 648044524. Office phone: 4175568555.
What is Dr. Gretchen Shull's NPI?
Dr. Gretchen Shull's National Provider Identifier (NPI) is 1689621336, issued by NPPES.
Does Dr. Gretchen Shull accept Medicare assignment?
Yes. Dr. Gretchen Shull accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Shull commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.