Doctor profile · Federal record

Dr. Michael Bittles, MD

Surgery Physician (CMS: General Surgery) · Surgery Physician · Grafton, ND

  • NPI 1558457713
  • Accepts Medicare
  • 35 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
164 W 13Th St
Grafton, ND 582371826
(017) 352-1620

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 11, 2023
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Indiana #01044969A · Nebraska #22811

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558457713. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
85
Distinct HCPCS
4
Medicare allowed
$9,477
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 32 32 $105
45380 Biopsy of large bowel using a flexible endoscope 24 24 $151
99213 Established patient office or other outpatient visit, 20-29 minutes 16 12 $85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 13 13 $86

In context: peer comparison

Among 1 peers in this city , average services per provider: 21. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
83
Patients
83
Total drug cost
$1,175
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 68 68 $1,068
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 15 15 $107

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Bittles's medical specialty?
Dr. Michael Bittles practices Surgery Physician in Grafton, ND.
Where does Dr. Michael Bittles practice?
Dr. Michael Bittles practices at 164 W 13Th St, Grafton, ND 582371826. Office phone: 0173521620.
What is Dr. Michael Bittles's NPI?
Dr. Michael Bittles's National Provider Identifier (NPI) is 1558457713, issued by NPPES.
Does Dr. Michael Bittles accept Medicare assignment?
Yes. Dr. Michael Bittles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Bittles commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.