Doctor profile · Federal record
Dr. Donald Gerhardt, MD
Gastroenterology Physician (CMS: Gastroenterology) · Columbia, MO
- NPI 1619921673
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 54 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
210 Portland St Ste 100
Columbia, MO 652016677
(573) 777-8818
fax (573) 777-8819
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- October 10, 2022
- Year of graduation
- 1972 — 54 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Missouri #34644
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619921673. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
374
Distinct HCPCS
9
Medicare allowed
$49,840
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 88 | 79 | $83 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 71 | 71 | $230 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 68 | 68 | $84 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 30 | 30 | $148 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 30 | 30 | $170 | |
91010 |
Study of esophagus to assess movement | 29 | 29 | $60 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 22 | 22 | $143 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 20 | 20 | $171 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 16 | 16 | $166 |
In context: peer comparison
Among 16 peers in Columbia Gastroenterology Physician, average services per provider: 200. This provider delivers 1.9× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Mauna Kea Technologies, INC. | 1 | $20.35 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
447
Patients
75
Total drug cost
$106,745
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 205 | 62 | $4,044 |
| Mesalamine | Generic | 55 | 13 | $47,635 |
| Balsalazide Disodium | Generic | 46 | 0 | $6,354 |
| Pantoprazole Sodium | Generic | 28 | 0 | $374 |
| Linzess (Linaclotide) | Brand | 24 | 0 | $21,114 |
| Creon (Lipase/Protease/Amylase) | Brand | 19 | 0 | $22,233 |
| Sulfasalazine | Generic | 18 | 0 | $439 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 15 | 0 | $991 |
| Imipramine Hcl | Generic | 14 | 0 | $618 |
| Prednisone | Generic | 12 | 0 | $111 |
Hospital affiliations
Frequently asked questions
What is Dr. Donald Gerhardt's medical specialty?
Dr. Donald Gerhardt practices Gastroenterology Physician in Columbia, MO.
Where does Dr. Donald Gerhardt practice?
Dr. Donald Gerhardt practices at 210 Portland St Ste 100, Columbia, MO 652016677. Office phone: 5737778818.
What is Dr. Donald Gerhardt's NPI?
Dr. Donald Gerhardt's National Provider Identifier (NPI) is 1619921673, issued by NPPES.
Does Dr. Donald Gerhardt accept Medicare assignment?
Yes. Dr. Donald Gerhardt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Gerhardt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.