Doctor profile · Federal record

Dr. Charles Oberer, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Dayton, OH

  • NPI 1477870178
  • Accepts Medicare
  • MIPS 78.9 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
425 W Grand Ave Ste 2002
Dayton, OH 454054722
(937) 425-4144
fax (937) 425-4146

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
January 7, 2021
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Ohio #35.132296 · California #A111602

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477870178. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
376
Distinct HCPCS
10
Medicare allowed
$47,052
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 107 104 $82
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 68 65 $235
45380 Biopsy of large bowel using a flexible endoscope 46 46 $136
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 42 41 $127
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 23 20 $77
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 19 16 $144
99213 Established patient office or other outpatient visit, 20-29 minutes 19 17 $87
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $108
43450 Dilation of esophagus 13 13 $39
45378 Diagnostic exam of large bowel using a flexible endoscope 12 12 $152

In context: peer comparison

Among 15 peers in this city , average services per provider: 111. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
339
Patients
107
Total drug cost
$22,551
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 236 84 $2,386
Omeprazole Generic 32 11 $276
Famotidine Generic 29 12 $230
Linzess (Linaclotide) Brand 22 0 $19,229
Sucralfate Generic 20 0 $430

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Oberer's medical specialty?
Dr. Charles Oberer practices Gastroenterology Physician in Dayton, OH.
Where does Dr. Charles Oberer practice?
Dr. Charles Oberer practices at 425 W Grand Ave Ste 2002, Dayton, OH 454054722. Office phone: 9374254144.
What is Dr. Charles Oberer's NPI?
Dr. Charles Oberer's National Provider Identifier (NPI) is 1477870178, issued by NPPES.
Does Dr. Charles Oberer accept Medicare assignment?
Yes. Dr. Charles Oberer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Oberer commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); 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). Source: CMS Medicare Physician & Other Practitioners file.