Active NPI 1588815641 Individual Practitioner Male Practitioner

Dr. Riley Aaron Lamb , MD

Surgery • Pierre, SD

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Riley Lamb, MD is a certified Surgery practicing in Pierre, SD. With approximately 18 years of clinical experience since completing medical education in 2008, Dr. Lamb delivers high-quality medical care to the local community at 100 MAC LN.

Dr. Lamb maintains professional affiliations with Avera Gettysburg, Avera St Marys and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, biopsy of large bowel using an endoscope, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

100 Mac Ln

Pierre, SD 575013391

Telephone 6052245901

Associated Practice Facility / Clinic

🏢 Vilas Pharmacy Facility NPI 1770514234

Medicare Profile & Education

Medical School

Other

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Pierre, SD

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs -8.3 yrs vs City Avg

City Avg: 26.3 Yrs

State Avg: 25.8 Yrs

Regional Practice Density

4 Specialists

Practicing in Pierre, SD (126 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

10.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lamb (18 Years) 18 Yrs

Pierre Specialty Average (26.3 Years) 26.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	100	83	$124.79	$91.73
45380 Biopsy of large bowel using an endoscope	84	84	$152.37	$149.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$109.30	$76.68
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	32	32	$115.26	$100.14
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	28	$165.27	$162.75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	27	16	$113.26	$111.45
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	19	19	$236.37	$232.35
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$88.70	$62.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	95	95	$131.29	$129.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	86	66	$124.70	$93.29
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	36	36	$240.61	$236.53
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	25	25	$89.31	$85.26
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	13	12	$76.71	$75.48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$125.72	$123.88
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	12	12	$174.74	$146.29
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$109.18	$78.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	80	80	$143.39	$140.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	63	50	$127.09	$95.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$109.15	$79.85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	32	32	$97.16	$95.98
99213 Established patient office or other outpatient visit, typically 15 minutes	26	13	$89.79	$64.66
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	20	12	$73.63	$68.34
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	20	20	$245.61	$243.35
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$103.69	$94.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	88	88	$143.66	$143.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	47	$127.99	$97.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$110.09	$81.02
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	38	38	$95.46	$95.46
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	34	15	$65.78	$65.78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	33	12	$93.67	$93.67
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	25	25	$245.23	$245.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$189.67	$189.67
99213 Established patient office or other outpatient visit, typically 15 minutes	17	17	$87.29	$65.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	70	70	$134.68	$135.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	60	60	$110.28	$74.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	42	$107.59	$77.63
99213 Established patient office or other outpatient visit, typically 15 minutes	36	27	$61.70	$50.99
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	32	32	$98.92	$83.36
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	24	24	$247.78	$250.38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$199.69	$202.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	98	98	$124.73	$124.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	84	70	$107.54	$77.01
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	69	69	$104.49	$74.31
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	52	52	$85.08	$84.81
99213 Established patient office or other outpatient visit, typically 15 minutes	48	31	$61.58	$50.28
11042 Removal of skin and tissue, 20.0 sq cm or less	46	12	$60.13	$60.04
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	41	41	$251.95	$251.60
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	11	$71.68	$71.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	15	$134.49	$134.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	78	78	$150.41	$139.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	61	$106.81	$76.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	63	63	$106.22	$72.73
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	43	43	$100.14	$98.54
99213 Established patient office or other outpatient visit, typically 15 minutes	32	22	$70.01	$49.92
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	23	23	$254.74	$250.67
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	12	$71.64	$70.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	66	65	$170.77	$148.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	61	53	$106.68	$76.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$106.17	$73.55
99213 Established patient office or other outpatient visit, typically 15 minutes	43	32	$70.81	$49.42
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	34	16	$71.22	$70.08
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	32	32	$114.85	$95.85
99221 Initial hospital inpatient care per day, typically 30 minutes	26	25	$98.86	$97.28
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	16	16	$255.80	$251.12

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License SD 8931

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Avera St Marys

801 E Sioux Ave, Pierre, SD 575013323

Phone: 6052245901

Avera Gettysburg

606 E Garfield Ave, Gettysburg, SD 574421325

Phone: 6057652273

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

29 Associated Practitioners

Danielle Campbell , FNP

Nurse Practitioner - Family

NPI 1003595471

Family Nurse Practitioner

Dr. Daniel Rasmussen , DO

Physical Medicine & Rehabilitation

NPI 1023208907

Doctor of Osteopathic Medicine (D.O.)

Dr. Eric Mazel , MD

Family Medicine

NPI 1053994103

Doctor of Medicine (M.D.)

Julie Cox , CNP

Nurse Practitioner - Family

NPI 1063857233

Certified Nurse Practitioner

Ericka Petersen , CNP

Nurse Practitioner - Family

NPI 1073063905

Certified Nurse Practitioner

Kacey Hutchison , MA, LSW, LAC, LPC

Social Worker - Clinical

NPI 1134750011

Master of Arts, Licensed Social Worker, Licensed Acupuncturist, Licensed Professional Counselor

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active April 01, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location April 01, 2014

Registered at 100 MAC LN, PIERRE, SD 575013391 (Tel: 6052245901)

📍

Updated Business Mailing Address April 01, 2014

Registered at 100 MAC LN, PIERRE, SD 575013391 (Tel: 6052245901)

👤

Provider Name / Credentials Updated April 01, 2014

Recorded as RILEY LAMB, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 01, 2014

Surgery (License #8931 in SD)

🟢

Initial NPI Registration & Enumeration October 08, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1588815641

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 08, 2008

Last Update: April 01, 2014

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

100 Mac Ln

Pierre, SD 575013391

Phone: 6052245901

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.