Active NPI 1811922610 Individual Practitioner Male Practitioner

Dr. J. Marcus Downs , MD

Colon & Rectal Surgery • Dallas, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. J. Marcus Downs, MD is a certified Colon & Rectal Surgery practicing in Dallas, TX. With approximately 43 years of clinical experience since graduating from University Of Missouri, Columbia School Of Medicine in 1983, Dr. Downs delivers high-quality medical care to the local community at 8315 WALNUT HILL LN.

Dr. Downs is affiliated with Texas Oncology Pa and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, biopsy of large bowel 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

8315 Walnut Hill Ln
Suite 220

Dallas, TX 752314218

Telephone 2143636123

Fax 8666446809

Associated Practice Facility / Clinic

🏢 Fertility Specialists Of Dallas, Pa Facility NPI 1629184999

Medicare Profile & Education

Medical School

University Of Missouri, Columbia School Of Medicine

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Dallas, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

43 Yrs +17.1 yrs vs City Avg

City Avg: 25.9 Yrs

State Avg: 22.8 Yrs

Regional Practice Density

34 Specialists

Practicing in Dallas, TX (213 Statewide)

Telehealth Adoption Rate

41.2% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

78.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Downs (43 Years) 43 Yrs

Dallas Specialty Average (25.9 Years) 25.9 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
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	105	105	$372.00	$109.57
99213 Established patient office or other outpatient visit, typically 15 minutes	94	80	$250.00	$88.95
45380 Biopsy of large bowel using an endoscope	90	90	$1065.00	$145.63
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	56	56	$1225.00	$175.70
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	46	46	$1402.00	$244.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	25	$368.00	$126.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	29	$150.00	$55.71
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	32	32	$1437.00	$166.23
46221 Removal of external hemorrhoids by rubber banding	29	21	$658.00	$272.04
46600 Diagnostic examination of the anus using an endoscope	28	26	$241.00	$114.08
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$565.00	$150.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	103	74	$250.00	$89.31
45380 Biopsy of large bowel using an endoscope	101	101	$1065.00	$170.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	86	86	$372.00	$110.37
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	46	46	$1225.00	$178.79
46600 Diagnostic examination of the anus using an endoscope	42	38	$241.00	$121.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	22	$368.00	$127.21
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	28	28	$1402.00	$237.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	21	$150.00	$54.81
46221 Removal of external hemorrhoids by rubber banding	23	15	$658.00	$286.69
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	20	20	$1437.00	$174.56
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$565.00	$158.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	129	84	$250.00	$91.62
45380 Biopsy of large bowel using an endoscope	89	89	$1065.00	$174.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	82	82	$372.00	$112.52
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	64	64	$1225.00	$182.28
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	33	$150.00	$57.09
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	27	27	$1437.00	$182.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	22	$368.00	$126.30
46221 Removal of external hemorrhoids by rubber banding	23	15	$658.00	$296.77
46600 Diagnostic examination of the anus using an endoscope	23	23	$241.00	$126.83
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	21	21	$1402.00	$251.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$565.00	$168.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	125	89	$233.52	$91.44
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	89	89	$354.58	$113.65
45380 Biopsy of large bowel using an endoscope	86	86	$1043.90	$160.90
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	69	69	$1199.90	$180.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	48	28	$232.27	$71.93
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	31	$136.59	$56.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	36	27	$351.22	$132.06
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	35	35	$1324.74	$255.54
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	23	23	$1408.96	$186.30
99441 Telephone medical discussion with physician, 5-10 minutes	23	19	$71.13	$45.94
99231 Follow-up hospital inpatient care per day, typically 15 minutes	18	13	$113.22	$38.46
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$239.17	$74.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$550.56	$162.08
46221 Removal of external hemorrhoids by rubber banding	13	12	$614.92	$281.95
46600 Diagnostic examination of the anus using an endoscope	12	12	$225.75	$126.24
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$452.55	$135.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	88	88	$944.00	$169.01
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	88	88	$217.00	$108.04
99213 Established patient office or other outpatient visit, typically 15 minutes	77	66	$147.00	$76.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	50	36	$217.00	$111.78
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	42	23	$146.00	$74.23
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	31	$88.00	$45.36
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	36	36	$792.00	$187.80
99441 Telephone medical discussion with physician, 5-10 minutes	30	23	$31.00	$31.26
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	27	27	$1064.00	$255.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$334.00	$168.47
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	19	19	$792.00	$193.70
46600 Diagnostic examination of the anus using an endoscope	18	18	$180.00	$107.79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$410.00	$195.78
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	13	$79.00	$40.05
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$792.00	$175.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	113	113	$217.00	$109.21
99213 Established patient office or other outpatient visit, typically 15 minutes	106	80	$147.00	$74.11
45380 Biopsy of large bowel using an endoscope	104	104	$944.00	$166.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	77	57	$88.00	$45.79
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	36	$217.00	$110.19
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	18	$146.00	$73.50
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	43	43	$792.00	$191.67
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	41	41	$1064.00	$260.16
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$334.00	$160.96
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	23	23	$792.00	$191.95
46600 Diagnostic examination of the anus using an endoscope	22	22	$180.00	$98.01
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	15	$79.00	$39.57
46221 Removal of external hemorrhoids by rubber banding	16	13	$546.00	$278.97
45378 Diagnostic exam of large bowel using a flexible endoscope	13	12	$792.00	$170.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	158	158	$217.00	$107.83
99213 Established patient office or other outpatient visit, typically 15 minutes	106	82	$147.00	$73.38
45380 Biopsy of large bowel using an endoscope	95	95	$944.00	$165.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	71	58	$88.00	$43.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	64	47	$217.00	$108.48
99231 Follow-up hospital inpatient care per day, typically 15 minutes	45	27	$79.00	$39.29
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	44	44	$792.00	$190.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	42	42	$334.00	$165.11
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	38	38	$1064.00	$258.01
46600 Diagnostic examination of the anus using an endoscope	24	24	$180.00	$90.90
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	24	24	$792.00	$182.37
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	18	$278.00	$136.92
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	15	12	$146.00	$72.62
45378 Diagnostic exam of large bowel using a flexible endoscope	13	12	$792.00	$176.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	118	79	$147.00	$72.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	111	111	$217.00	$108.29
45380 Biopsy of large bowel using an endoscope	76	76	$944.00	$161.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	67	46	$217.00	$106.77
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	55	55	$792.00	$187.71
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	39	$88.00	$43.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$334.00	$164.02
99231 Follow-up hospital inpatient care per day, typically 15 minutes	45	21	$79.00	$39.24
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	30	30	$1064.00	$262.59
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	25	11	$146.00	$72.28
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	24	24	$792.00	$189.97
46600 Diagnostic examination of the anus using an endoscope	22	20	$180.00	$89.38
46221 Removal of external hemorrhoids by rubber banding	13	11	$546.00	$271.59
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$792.00	$190.75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$278.00	$136.79

Medical Specialties & State Licenses

CMS Verified: 2020-10-13

Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License TX J3086

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

099181203 (TX)

Medicaid State Provider ID

099181201 (TX)

Hospital & Practice Group Affiliations

Texas Oncology Pa

8315 Walnut Hill Ln, Dallas, TX 752314254

Phone: 2143636123

Texas Oncology Pa

Po Box, Dallas, TX 753911242

Texas Oncology Pa

7777 Forest Ln, Dallas, TX 752306861

Phone: 9725663000

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Ronald Chalk , DDS

Dentist - General Practice

NPI 1063411163

Doctor of Dental Surgery

Dr. Charles Bradley , DDS

Dentist - General Practice

NPI 1659384105

Doctor of Dental Surgery

Dr. Bryan Pruitt , MD

Plastic Surgery

NPI 1710015490

Doctor of Medicine (M.D.)

Dr. Kerry Carder , MD

Dermatology - Pediatric Dermatology

NPI 1952370405

Doctor of Medicine (M.D.)

Jeremy Newton

Nurse Anesthetist, Certified Registered

NPI 1982779443

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Business Mailing Address October 13, 2020

Registered at 16980 DALLAS PKWY STE 200, DALLAS, TX 752481974 (Tel: 2143485288)

👤

Provider Name / Credentials Updated October 13, 2020

Recorded as J. MARCUS DOWNS, MD

✅

NPI Profile Active October 23, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location October 23, 2007

Registered at 8315 WALNUT HILL LN, SUITE 220, DALLAS, TX 752314218 (Tel: 2143636123)

📍

Updated Business Mailing Address October 23, 2007

Registered at 11551 FOREST CENTRAL DR, SUITE 133, DALLAS, TX 752433920 (Tel: 2143485288)

👤

Provider Name / Credentials Updated October 23, 2007

Recorded as JOHN DOWNS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 23, 2007

Colon & Rectal Surgery (License #J3086 in TX)

🟢

Initial NPI Registration & Enumeration July 11, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1811922610

Entity Type:

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

Enumeration Date: July 11, 2006

Last Update: March 30, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

16980 Dallas Pkwy Ste 200

Dallas, TX 752481974

Phone: 2143485288

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.