Doctor profile · Federal record

Dr. Robert Geier

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Knoxville, TN

  • NPI 1336673102
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1450 Dowell Springs Blvd Ste 300
Knoxville, TN 379092444
(656) 378-8128

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
August 16, 2024
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Tennessee #4716

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336673102. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,185
Distinct HCPCS
10
Medicare allowed
$154,958
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 3,540 33 $23
36415 Insertion of needle into vein for collection of blood sample 461 210 $8
84443 Blood test, thyroid stimulating hormone (tsh) 336 167 $16
99213 Established patient office or other outpatient visit, 20-29 minutes 274 174 $82
84439 Thyroxine (thyroid chemical), free 256 120 $9
80053 Blood test, comprehensive group of blood chemicals 195 123 $10
83970 Parathormone (parathyroid hormone) level 122 80 $40
82306 Vitamin d-3 level 104 83 $29
96372 Injection of drug or substance under skin or into muscle 97 44 $13
84481 Thyroid hormone, t3 measurement, free 87 58 $16

In context: peer comparison

Among 5 peers in this city , average services per provider: 245. This provider delivers 25× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,108
Transactions
56
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Dexcom, Inc. 8 $177.54
Novo Nordisk Inc 9 $166.01
Abbott Laboratories 8 $131.38
SANOFI-AVENTIS U.S. LLC 7 $121.34
Xeris Pharmaceuticals, Inc. 4 $80.93
Corcept Therapeutics 3 $61.44
Bayer Healthcare Pharmaceuticals Inc. 4 $61.36
Amphastar Pharmaceuticals, Inc. 3 $57.89
Lilly USA, LLC 3 $42.43
CeQur Corporation 1 $36.57
Amneal Pharmaceuticals LLC 2 $29.72
Novartis Pharmaceuticals Corporation 1 $26.52
Radius Health, Inc. 1 $26.51
Medtronic, Inc. 1 $21.31
Neurocrine Biosciences, Inc. 1 $18.58

By nature of payment

Food and Beverage
$1,108

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
932
Patients
216
Total drug cost
$150,039
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 476 131 $5,138
Methimazole Generic 67 16 $674
Atorvastatin Calcium Generic 46 16 $300
Ozempic (Semaglutide) Brand 46 12 $52,498
Testosterone Cypionate Generic 44 12 $1,334
Hydrocortisone Generic 40 0 $2,002
Rosuvastatin Calcium Generic 40 12 $273
Metformin Hcl Er (Metformin Hcl) Brand 37 17 $628
Novolog Flexpen (Insulin Aspart) Brand 26 0 $31,492
Metformin Hcl Generic 21 0 $143

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Geier's medical specialty?
Dr. Robert Geier practices Endocrinology, Diabetes & Metabolism Physician in Knoxville, TN.
Where does Dr. Robert Geier practice?
Dr. Robert Geier practices at 1450 Dowell Springs Blvd Ste 300, Knoxville, TN 379092444. Office phone: 6563788128.
What is Dr. Robert Geier's NPI?
Dr. Robert Geier's National Provider Identifier (NPI) is 1336673102, issued by NPPES.
Does Dr. Robert Geier accept Medicare assignment?
Yes. Dr. Robert Geier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Geier commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, thyroid stimulating hormone (tsh) (HCPCS 84443). Source: CMS Medicare Physician & Other Practitioners file.