Doctor profile · Federal record
Dr. Riley Lamb, M.D.
Surgery Physician (CMS: General Surgery) · Student in an Organized Health Care Education/Training Program · Pierre, SD
- NPI 1588815641
- Accepts Medicare
- 18 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
100 Mac Ln
Pierre, SD 575013391
(605) 224-5901
Credentials & registration
- NPI registered
- October 2008 — 18 yrs on file
- Profile last updated
- April 1, 2014
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- South Dakota #8931
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588815641. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
291
Distinct HCPCS
8
Medicare allowed
$36,137
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 95 | 95 | $129 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 86 | 66 | $93 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 36 | 36 | $237 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 25 | 25 | $85 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $124 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 13 | 12 | $75 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 12 | 12 | $146 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $78 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 37. This provider delivers 7.9× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Smith+Nephew, Inc. | 1 | $18.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
104
Patients
15
Total drug cost
$1,587
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 39 | 0 | $475 |
| Baclofen | Generic | 22 | 0 | $272 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 17 | 15 | $174 |
| Sulfasalazine Dr (Sulfasalazine) | Brand | 14 | 0 | $519 |
| Montelukast Sodium | Generic | 12 | 0 | $147 |
Hospital affiliations
Frequently asked questions
What is Dr. Riley Lamb's medical specialty?
Dr. Riley Lamb practices Surgery Physician in Pierre, SD.
Where does Dr. Riley Lamb practice?
Dr. Riley Lamb practices at 100 Mac Ln, Pierre, SD 575013391. Office phone: 6052245901.
What is Dr. Riley Lamb's NPI?
Dr. Riley Lamb's National Provider Identifier (NPI) is 1588815641, issued by NPPES.
Does Dr. Riley Lamb accept Medicare assignment?
Yes. Dr. Riley Lamb accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Riley Lamb commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.