Active NPI 1164554044 Individual Practitioner Male Practitioner

Dr. John Trombold , MD

Colon & Rectal Surgery • Springfield, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Trombold, MD is a certified Colon & Rectal Surgery practicing in Springfield, MO. With approximately 20 years of clinical experience since graduating from University Of Kansas School Of Med (Kc/Wich/Sal) in 2006, Dr. Trombold delivers high-quality medical care to the local community at 1001 E PRIMROSE ST.

Dr. Trombold is affiliated with Lester E Cox Medical Centers and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito, diagnostic examination of the anus using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1001 E Primrose St

Springfield, MO 658075155

Telephone 4178753000

Fax 4178753667

Associated Practice Facility / Clinic

🏢 Ferrell Duncan Clinic, Inc Facility NPI 1326099383

Medicare Profile & Education

Medical School

University Of Kansas School Of Med (Kc/wich/sal)

Graduation Year

2006

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Springfield, MO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

20 Yrs -0.6 yrs vs City Avg

City Avg: 20.6 Yrs

State Avg: 24.0 Yrs

Regional Practice Density

5 Specialists

Practicing in Springfield, MO (36 Statewide)

Telehealth Adoption Rate

20.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Trombold (20 Years) 20 Yrs

Springfield Specialty Average (20.6 Years) 20.6 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	93	44	$190.76	$73.84
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	83	78	$18.90	$5.38
46600 Diagnostic examination of the anus using an endoscope	40	36	$290.42	$102.72
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	38	$491.84	$162.04
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	23	23	$964.80	$234.40
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	23	23	$680.73	$166.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	21	14	$95.94	$46.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$293.60	$102.56
99213 Established patient office or other outpatient visit, typically 15 minutes	19	17	$198.03	$83.47
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$681.95	$151.15
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	15	$121.38	$51.56
46221 Removal of external hemorrhoids by rubber banding	14	14	$839.69	$253.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$300.08	$110.45
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	13	12	$190.80	$45.86
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	11	$415.18	$167.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	90	35	$158.40	$75.57
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	67	65	$18.21	$5.15
46600 Diagnostic examination of the anus using an endoscope	44	37	$278.99	$106.87
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	32	$427.20	$165.73
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	29	$964.80	$229.15
99213 Established patient office or other outpatient visit, typically 15 minutes	21	21	$175.08	$80.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$257.17	$104.33
46221 Removal of external hemorrhoids by rubber banding	18	18	$801.43	$258.76
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$105.13	$52.04
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	12	11	$190.80	$47.89
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$652.29	$173.32
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$674.40	$165.32
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	11	11	$5232.29	$1056.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	94	36	$158.40	$67.02
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	60	58	$18.00	$5.16
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	39	37	$427.20	$186.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	39	34	$86.40	$52.00
46600 Diagnostic examination of the anus using an endoscope	39	33	$236.40	$109.48
99213 Established patient office or other outpatient visit, typically 15 minutes	33	32	$142.80	$84.06
99202 New patient office or other outpatient visit, typically 20 minutes	31	31	$147.60	$67.20
46221 Removal of external hemorrhoids by rubber banding	31	27	$720.00	$263.54
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	25	25	$964.80	$233.54
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	21	21	$674.40	$169.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$214.80	$104.10
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$332.40	$154.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	96	38	$132.00	$68.34
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	71	56	$72.00	$51.54
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	64	63	$15.00	$5.26
46600 Diagnostic examination of the anus using an endoscope	50	39	$197.00	$107.40
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	41	40	$356.00	$190.34
99213 Established patient office or other outpatient visit, typically 15 minutes	40	38	$119.00	$85.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	35	28	$243.00	$170.36
99202 New patient office or other outpatient visit, typically 20 minutes	33	33	$123.00	$67.75
46221 Removal of external hemorrhoids by rubber banding	33	31	$600.00	$267.58
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	19	18	$159.00	$48.27
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$350.00	$208.97
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	18	18	$804.00	$226.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	16	$180.00	$121.58
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	16	16	$4619.06	$1471.19
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$562.00	$177.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$277.00	$151.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$179.00	$105.05
36415 Insertion of needle into vein for collection of blood sample	14	13	$12.00	$3.00
44213 Partial release of large bowel and partial removal of large bowel using an endoscope	14	14	$486.00	$147.94
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$562.00	$177.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	133	50	$132.00	$69.97
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	67	56	$72.00	$41.28
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	60	60	$15.00	$5.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	42	39	$356.00	$196.24
46600 Diagnostic examination of the anus using an endoscope	32	24	$197.00	$89.85
99213 Established patient office or other outpatient visit, typically 15 minutes	28	27	$119.00	$69.96
46221 Removal of external hemorrhoids by rubber banding	27	26	$600.00	$248.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	24	$180.00	$100.13
36415 Insertion of needle into vein for collection of blood sample	23	16	$12.00	$2.97
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$123.00	$68.46
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	18	$243.00	$137.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$277.00	$148.83
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$562.00	$168.46
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	13	11	$159.00	$51.84
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$350.00	$197.10
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	12	12	$4642.75	$1447.09
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	12	12	$817.40	$251.81
44213 Partial release of large bowel and partial removal of large bowel using an endoscope	12	12	$486.00	$149.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$184.82	$94.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	143	58	$132.00	$70.60
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	69	56	$72.00	$41.26
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	60	59	$15.00	$5.55
99213 Established patient office or other outpatient visit, typically 15 minutes	58	48	$119.00	$69.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	43	36	$180.00	$102.86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	39	37	$356.00	$197.30
46600 Diagnostic examination of the anus using an endoscope	35	27	$197.00	$86.00
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	30	$242.00	$133.67
99202 New patient office or other outpatient visit, typically 20 minutes	29	29	$123.00	$71.73
36415 Insertion of needle into vein for collection of blood sample	26	17	$12.00	$2.94
46221 Removal of external hemorrhoids by rubber banding	23	18	$600.00	$248.68
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	21	14	$189.00	$101.47
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$277.00	$155.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$179.00	$102.35
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	19	19	$159.00	$50.94
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	18	18	$804.00	$256.64
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$562.00	$185.71
45378 Diagnostic exam of large bowel using a flexible endoscope	16	16	$562.00	$173.48
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$350.00	$197.62

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	104	50	$132.00	$70.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	74	59	$72.00	$40.46
46600 Diagnostic examination of the anus using an endoscope	61	52	$197.00	$81.10
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	57	57	$15.00	$5.48
99202 New patient office or other outpatient visit, typically 20 minutes	55	55	$124.96	$69.15
99213 Established patient office or other outpatient visit, typically 15 minutes	42	36	$119.00	$65.83
46221 Removal of external hemorrhoids by rubber banding	32	27	$600.00	$249.20
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$277.00	$154.85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	30	28	$356.00	$191.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$179.00	$98.29
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	27	27	$804.00	$244.27
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	25	$245.23	$128.68
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	23	23	$562.00	$183.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	16	$180.00	$100.88
99220 Hospital observation care, typically 70 minutes	13	13	$288.00	$179.53
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	12	12	$159.00	$48.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	142	58	$132.00	$68.75
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	109	91	$72.00	$39.85
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	78	77	$15.00	$5.43
99202 New patient office or other outpatient visit, typically 20 minutes	64	64	$123.00	$68.98
46600 Diagnostic examination of the anus using an endoscope	43	35	$197.00	$79.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$277.00	$153.39
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	37	37	$562.00	$179.05
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	37	36	$242.00	$131.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$180.88	$97.17
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	31	$356.00	$194.04
46221 Removal of external hemorrhoids by rubber banding	31	28	$600.00	$245.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	28	$180.00	$98.78
36415 Insertion of needle into vein for collection of blood sample	24	20	$12.00	$2.94
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	22	22	$804.00	$244.13
99213 Established patient office or other outpatient visit, typically 15 minutes	14	14	$127.86	$64.30
45330 Diagnostic exam of lower portion of large bowel using a flexible endoscope	14	14	$159.00	$48.57
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	13	12	$4548.00	$1665.89

Medical Specialties & State Licenses

CMS Verified: 2025-10-08

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License MO 2012016959

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

204405203 (MO)

Commercial Insurance / Payer ID Mo License

2012016959 (MO)

Hospital & Practice Group Affiliations

Lester E Cox Medical Centers

1001 E Primrose, Springfield, MO 658075155

Phone: 4178753000

Lester E Cox Medical Centers

3801 S National Ave, Springfield, MO 658075210

Phone: 4172696000

Lester E Cox Medical Centers

1001 E Primrose, Springfield, MO 658075155

Lester E Cox Medical Centers

3801 S National Ave, Springfield, MO 658075210

Phone: 4172696000

Lester E Cox Medical Centers

3801 S National, Springfield, MO 658075210

Phone: 4172696000

Lester E Cox Medical Centers

1001 E Primrose St, Springfield, MO 658075155

Secondary Practice Locations

525 Branson Landing Blvd Ste 307

Branson, MO 656162126

Phone: 0000000000

Practice Associates & Co-Workers

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

40 Associated Practitioners

Meredith Mcamis , PA-C

Physician Assistant

NPI 1003094251

Physician Assistant (Certified)

Dr. David Gilley , MD

Otolaryngology

NPI 1003336843

Doctor of Medicine (M.D.)

Cassondra Simmoneau , NP

Nurse Practitioner

NPI 1003440215

Nurse Practitioner

Dr. Robert Scanlon , DO

Urology

NPI 1013915792

Doctor of Osteopathic Medicine (D.O.)

Dr. Bradley Wiley , MD

Internal Medicine

NPI 1013950070

Doctor of Medicine (M.D.)

Shelly Ronayne , NP

Nurse Practitioner

NPI 1023388220

Nurse Practitioner

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Business Mailing Address March 29, 2024

Registered at PO BOX 505673, SAINT LOUIS, MO 631505673

✅

NPI Profile Active August 15, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location August 15, 2012

Registered at 1001 E PRIMROSE ST, SPRINGFIELD, MO 658075155 (Tel: 4178753000)

📍

Updated Business Mailing Address August 15, 2012

Registered at 1001 E PRIMROSE ST, SPRINGFIELD, MO 658075155 (Tel: 4178753000)

👤

Provider Name / Credentials Updated August 15, 2012

Recorded as JOHN TROMBOLD, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 15, 2012

Colon & Rectal Surgery (License #2012016959 in MO)

🟢

Initial NPI Registration & Enumeration March 09, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1164554044

Entity Type:

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

Enumeration Date: March 09, 2007

Last Update: October 08, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 505673

Saint Louis, MO 631505673

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.