Doctor profile · Federal record

Dr. Ravindra Mallavarapu, MD

Gastroenterology Physician (CMS: Gastroenterology) · Waterloo, IA

  • NPI 1982657961
  • 35 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1015 S Hackett RD
Waterloo, IA 507013500
(319) 234-5990
fax (319) 234-5994
Mailing address
Po Box 2758
Waterloo, IA 507042758

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 28, 2024
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Iowa #MD-34574

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982657961. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,243
Distinct HCPCS
10
Medicare allowed
$149,283
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 159 157 $228
45380 Biopsy of large bowel using a flexible endoscope 149 148 $141
99214 Established patient office or other outpatient visit, 30-39 minutes 114 95 $118
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 113 113 $95
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 111 92 $136
76705 Limited ultrasound scan of abdomen 89 46 $55
99213 Established patient office or other outpatient visit, 20-29 minutes 73 69 $84
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 66 66 $5
49082 Drainage of fluid from abdominal cavity 65 11 $66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 59 59 $121

In context: peer comparison

Among 3 peers in this city , average services per provider: 56. This provider delivers 22× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,712
Patients
636
Total drug cost
$190,423
Drug Type Claims Patients Total cost
Omeprazole Generic 547 142 $7,325
Pantoprazole Sodium Generic 258 64 $3,220
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 225 221 $18,617
Linzess (Linaclotide) Brand 127 28 $73,648
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 84 83 $2,063
Cholestyramine (Cholestyramine (With Sugar)) Brand 79 36 $7,336
Amitriptyline Hcl Generic 70 17 $947
Azathioprine Generic 54 0 $1,804
Mesalamine Generic 53 0 $38,083
Famotidine Generic 51 14 $624

Frequently asked questions

Auto-generated from federal data
What is Dr. Ravindra Mallavarapu's medical specialty?
Dr. Ravindra Mallavarapu practices Gastroenterology Physician in Waterloo, IA.
Where does Dr. Ravindra Mallavarapu practice?
Dr. Ravindra Mallavarapu practices at 1015 S Hackett RD, Waterloo, IA 507013500. Office phone: 3192345990.
What is Dr. Ravindra Mallavarapu's NPI?
Dr. Ravindra Mallavarapu's National Provider Identifier (NPI) is 1982657961, issued by NPPES.
Does Dr. Ravindra Mallavarapu accept Medicare assignment?
Dr. Ravindra Mallavarapu does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Ravindra Mallavarapu commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.