Doctor profile · Federal record

Dr. James Manton, MD

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Gastroenterology Physician · Chattanooga, TN

  • NPI 1538141411
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 31 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2515 Desales Ave Ste 206
Chattanooga, TN 374041100
(423) 698-8101
fax (423) 698-3450
Mailing address
4976 Alpha Ln
Hixson, TN 373435470

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
April 5, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Tennessee #28559 · Mississippi #15843 · Georgia #50974

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538141411. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,784
Distinct HCPCS
10
Medicare allowed
$145,237
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 349 136 $32
45380 Biopsy of large bowel using a flexible endoscope 252 252 $94
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 203 199 $229
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 170 162 $70
99213 Established patient office or other outpatient visit, 20-29 minutes 154 130 $84
36415 Insertion of needle into vein for collection of blood sample 79 57 $8
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 74 66 $113
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 74 51 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 55 48 $118
80053 Blood test, comprehensive group of blood chemicals 46 35 $10

In context: peer comparison

Among 10 peers in this city , average services per provider: 125. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$486
Transactions
25
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 15 $259.81
Celltrion USA Inc. 3 $62.99
Enterra Medical, Inc. 1 $47.00
PFIZER INC. 2 $39.63
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $30.66
Merck Sharp & Dohme LLC 1 $28.35
Takeda Pharmaceuticals U.S.A., Inc. 1 $17.29

By nature of payment

Food and Beverage
$468
Education
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,548
Patients
884
Total drug cost
$47,431
Drug Type Claims Patients Total cost
Omeprazole Generic 382 127 $5,671
Pantoprazole Sodium Generic 330 115 $5,451
Famotidine Generic 150 47 $2,272
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 148 147 $12,287
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 134 132 $2,418
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 109 107 $2,274
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 100 99 $1,528
Ondansetron Odt (Ondansetron) Brand 35 12 $373
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 33 31 $5,780
Esomeprazole Magnesium Generic 30 11 $2,302

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Manton's medical specialty?
Dr. James Manton practices Gastroenterology Physician in Chattanooga, TN.
Where does Dr. James Manton practice?
Dr. James Manton practices at 2515 Desales Ave Ste 206, Chattanooga, TN 374041100. Office phone: 4236988101.
What is Dr. James Manton's NPI?
Dr. James Manton's National Provider Identifier (NPI) is 1538141411, issued by NPPES.
Does Dr. James Manton accept Medicare assignment?
Yes. Dr. James Manton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Manton commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.