Doctor profile · Federal record

Dr. Johannes Duplooy, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Chattanooga, TN

  • NPI 1194767376
  • Accepts Medicare
  • MIPS 94.7 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
605 Glenwood Dr, Suite 300
Chattanooga, TN 374041108
(423) 495-2690
fax (423) 495-2698

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 8, 2010
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Tennessee #34783
Medicaid
GA #053801146A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194767376. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,004
Distinct HCPCS
10
Medicare allowed
$209,732
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 964 364 $119
36415 Insertion of needle into vein for collection of blood sample 861 391 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 285 285 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 184 154 $84
G0008 Administration of influenza virus vaccine 154 149 $28
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 116 111 $13
71046 X-ray of chest, 2 views 89 83 $31
90662 Influenza vaccine split virus, preservative free 84 82 $72
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 55 55 $76
81003 Automated urinalysis test 37 33 $2

In context: peer comparison

Among 67 peers in Chattanooga Internal Medicine Physician, average services per provider: 133. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,904
Transactions
98
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 21 $400.10
Lilly USA, LLC 17 $285.07
AstraZeneca Pharmaceuticals Lp 9 $253.05
Amgen INC. 13 $160.38
Lundbeck LLC 6 $134.61
Abbott Laboratories 7 $130.49
Abbvie INC. 6 $108.46
Pfizer INC. 6 $96.72
Boehringer Ingelheim Pharmaceuticals, INC. 4 $70.42
Medtronic, INC. 2 $58.64
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 2 $31.79
Astellas Pharma US INC 1 $29.49
GlaxoSmithKline, LLC. 2 $28.12
E.R. Squibb & Sons, L.L.C. 1 $21.57
Dexcom, INC. 1 $17.69

By nature of payment

Food and Beverage
$1,904

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,104
Patients
1,078
Total drug cost
$64,416
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 592 167 $9,599
Amlodipine Besylate Generic 516 142 $3,534
Levothyroxine Sodium Generic 353 90 $5,418
Omeprazole Generic 345 96 $7,044
Lisinopril Generic 267 70 $2,500
Gabapentin Generic 261 56 $4,156
Simvastatin Generic 219 63 $1,961
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 217 37 $4,448
Pantoprazole Sodium Generic 202 54 $3,665
Meloxicam Generic 197 62 $787

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Johannes Duplooy's medical specialty?
Dr. Johannes Duplooy practices Internal Medicine Physician in Chattanooga, TN.
Where does Dr. Johannes Duplooy practice?
Dr. Johannes Duplooy practices at 605 Glenwood Dr, Chattanooga, TN 374041108. Office phone: 4234952690.
What is Dr. Johannes Duplooy's NPI?
Dr. Johannes Duplooy's National Provider Identifier (NPI) is 1194767376, issued by NPPES.
Does Dr. Johannes Duplooy accept Medicare assignment?
Yes. Dr. Johannes Duplooy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johannes Duplooy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.