Active NPI 1427262591 Individual Practitioner Male Practitioner

Dr. William N Dixon , MD

Surgery • Mccomb, MS

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Dixon, MD is a certified Surgery practicing in Mccomb, MS. With approximately 34 years of clinical experience since graduating from University Of Mississippi School Of Medicine in 1992, Dr. Dixon delivers high-quality medical care to the local community at 300 RAWLS DR STE A.

Dr. Dixon is affiliated with Southwest Mississippi Regional Medical Center and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, initial hospital care with straightforward or low-level medical decision making, if using time, at least, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

300 Rawls Dr Ste A

Mccomb, MS 396482877

Telephone 6016842481

Fax 6016842488

Associated Practice Facility / Clinic

🏢 Southwest Mississippi Regional Medical Center Facility NPI 1497018881

Medicare Profile & Education

Medical School

University Of Mississippi School Of Medicine

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Mccomb, MS

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs +4.0 yrs vs City Avg

City Avg: 30.0 Yrs

State Avg: 25.8 Yrs

Regional Practice Density

3 Specialists

Practicing in Mccomb, MS (284 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

71.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dixon (34 Years) 34 Yrs

Mccomb Specialty Average (30.0 Years) 30.0 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	107	86	$134.00	$116.24
99213 Established patient office or other outpatient visit, typically 15 minutes	86	70	$90.00	$81.51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	83	79	$194.00	$119.02
99231 Follow-up hospital inpatient care per day, typically 15 minutes	67	36	$76.00	$45.29
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	30	23	$104.00	$72.29
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	19	$54.00	$50.52
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	22	20	$508.00	$76.93
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	19	19	$2102.00	$298.93
47562 Removal of gallbladder using an endoscope	18	18	$1759.00	$596.86
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	17	17	$197.00	$16.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	159	113	$90.00	$82.88
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	102	94	$194.00	$122.70
99231 Follow-up hospital inpatient care per day, typically 15 minutes	92	45	$76.00	$47.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	56	55	$134.00	$116.92
47562 Removal of gallbladder using an endoscope	36	36	$1759.00	$611.86
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	17	$104.00	$75.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$136.00	$103.37
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	19	18	$2102.00	$308.27
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	19	17	$508.00	$79.49
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$54.00	$51.72
11042 Removal of skin and tissue, 20.0 sq cm or less	17	14	$199.00	$50.74
10060 Simple or single drainage of skin abscess	11	11	$204.00	$96.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	180	72	$76.00	$36.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	143	130	$194.00	$125.57
99213 Established patient office or other outpatient visit, typically 15 minutes	134	91	$90.00	$83.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	70	$134.00	$117.82
11045 Removal of skin and tissue, each additional 20.0 sq cm or less	58	17	$56.00	$24.45
11042 Removal of skin and tissue, 20.0 sq cm or less	38	29	$199.00	$54.91
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	28	24	$508.00	$79.77
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	23	23	$2102.00	$307.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$209.00	$154.69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	13	$104.00	$66.17
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	18	$182.00	$166.65
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	18	15	$1243.00	$241.05
99221 Initial hospital inpatient care per day, typically 30 minutes	17	16	$144.00	$90.35
47562 Removal of gallbladder using an endoscope	15	15	$1759.00	$612.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$136.00	$102.86
36590 Removal of peripheral venous catheter for infusion	11	11	$666.00	$175.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	160	143	$194.00	$127.72
99231 Follow-up hospital inpatient care per day, typically 15 minutes	112	54	$76.00	$36.21
99213 Established patient office or other outpatient visit, typically 15 minutes	87	65	$90.00	$84.43
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	84	12	$39.79	$37.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	78	78	$209.00	$154.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	61	52	$134.00	$120.22
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	37	34	$508.00	$80.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$136.00	$101.97
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	27	25	$1243.00	$240.45
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	27	$260.00	$206.36
47562 Removal of gallbladder using an endoscope	25	25	$1759.00	$616.71
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	12	$104.00	$67.59
99221 Initial hospital inpatient care per day, typically 30 minutes	19	19	$144.00	$94.59
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	17	17	$2102.00	$313.41
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	15	15	$197.00	$17.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	14	$182.00	$168.43
49505 Repair of groin hernia (5 years or older)	13	13	$1056.00	$487.23
11042 Removal of skin and tissue, 20.0 sq cm or less	12	11	$199.00	$51.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	275	163	$90.00	$68.83
99202 New patient office or other outpatient visit, typically 20 minutes	128	128	$93.78	$69.58
99231 Follow-up hospital inpatient care per day, typically 15 minutes	74	36	$67.49	$37.56
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	62	59	$188.55	$130.20
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	62	50	$54.00	$41.32
99221 Initial hospital inpatient care per day, typically 30 minutes	49	46	$132.57	$96.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$136.00	$99.39
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	33	31	$2102.00	$318.17
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	26	26	$156.08	$17.92
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	16	14	$508.00	$82.50
47562 Removal of gallbladder using an endoscope	15	15	$1759.00	$614.94
11042 Removal of skin and tissue, 20.0 sq cm or less	14	12	$199.00	$57.90
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	13	12	$1243.00	$239.35
49505 Repair of groin hernia (5 years or older)	12	12	$1056.00	$506.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	513	277	$89.95	$67.90
99202 New patient office or other outpatient visit, typically 20 minutes	179	179	$94.00	$69.24
99231 Follow-up hospital inpatient care per day, typically 15 minutes	102	47	$55.00	$36.93
99221 Initial hospital inpatient care per day, typically 30 minutes	91	88	$124.00	$93.92
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	90	69	$54.00	$40.97
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	42	40	$78.80	$17.69
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	33	32	$2102.00	$309.49
47562 Removal of gallbladder using an endoscope	30	30	$1759.00	$596.93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	25	$168.00	$128.28
11042 Removal of skin and tissue, 20.0 sq cm or less	16	13	$199.00	$57.20
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	16	16	$97.00	$48.83
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	13	12	$1243.00	$244.93
10060 Simple or single drainage of skin abscess	13	11	$204.00	$90.61
49505 Repair of groin hernia (5 years or older)	12	12	$1144.00	$510.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$136.00	$98.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	525	265	$90.00	$66.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	186	123	$54.00	$39.77
99202 New patient office or other outpatient visit, typically 20 minutes	126	126	$94.00	$67.46
99221 Initial hospital inpatient care per day, typically 30 minutes	100	96	$124.00	$93.92
99231 Follow-up hospital inpatient care per day, typically 15 minutes	99	44	$55.00	$36.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	91	91	$136.00	$97.49
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	32	29	$2102.00	$308.14
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	32	30	$78.80	$17.55
11042 Removal of skin and tissue, 20.0 sq cm or less	26	19	$199.00	$56.29
47562 Removal of gallbladder using an endoscope	24	24	$1759.00	$591.61
11045 Removal of skin and tissue, each additional 20.0 sq cm or less	20	11	$53.20	$24.30
10060 Simple or single drainage of skin abscess	17	15	$204.00	$85.71
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	15	13	$508.00	$91.42
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$94.00	$46.94
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	13	13	$1243.00	$234.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	11	$54.00	$23.69
99238 Hospital discharge day management, 30 minutes or less	13	13	$97.00	$64.07
44140 Partial removal of large bowel	12	12	$2719.00	$1211.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	545	276	$89.90	$64.68
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	257	171	$54.00	$38.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	175	175	$136.00	$94.61
99231 Follow-up hospital inpatient care per day, typically 15 minutes	99	44	$55.00	$35.02
99221 Initial hospital inpatient care per day, typically 30 minutes	86	78	$124.00	$89.58
99202 New patient office or other outpatient visit, typically 20 minutes	64	64	$93.56	$65.15
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	57	55	$78.80	$16.79
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	40	40	$2102.00	$300.55
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	35	14	$3391.00	$196.16
47562 Removal of gallbladder using an endoscope	32	32	$1759.00	$576.53
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	25	21	$1243.00	$222.83
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	24	13	$232.00	$129.07
11042 Removal of skin and tissue, 20.0 sq cm or less	19	16	$199.00	$55.52
19125 Removal of breast growth, open procedure	16	16	$900.00	$400.88
36590 Removal of peripheral venous catheter for infusion	16	16	$666.00	$165.84
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	15	14	$508.00	$110.80
36589 Removal of central venous catheter for infusion	15	12	$394.00	$115.81
10060 Simple or single drainage of skin abscess	15	13	$204.00	$83.98
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$168.00	$123.89
49505 Repair of groin hernia (5 years or older)	14	14	$1056.00	$441.66
11406 Removal of growth (4.0 centimeters) of the trunk, arms, or legs	13	11	$475.00	$200.48
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	12	12	$97.00	$44.11
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$94.00	$45.59

Medical Specialties & State Licenses

CMS Verified: 2026-02-17

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MS 14639

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1695751 (LA)

Medicaid State Provider ID

00117256 (MS)

Commercial Insurance / Payer ID Aetna

5933484 (MS)

Commercial Insurance / Payer ID Railroad Medicare

020038952

Commercial Insurance / Payer ID United Healthcare

1730025 (MS)

Commercial Insurance / Payer ID Mississippi Select

0055313 (MS)

Hospital & Practice Group Affiliations

Southwest Mississippi Regional Medical Center

215 Marion Ave, Mccomb, MS 396482705

Phone: 6012491382

Southwest Mississippi Regional Medical Center

205 Marion Ave, Mccomb, MS 396482705

Phone: 6016849116

Practice Associates & Co-Workers

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

4 Associated Practitioners

Kosheya Johnson , FNP-BC

Nurse Practitioner - Family

NPI 1124850250

Family Nurse Practitioner (Board Certified)

Jarett Pollan , FNP

Nurse Practitioner - Family

NPI 1831679869

Family Nurse Practitioner

Dr. Michael Peavey , MD

Surgery

NPI 1932295995

Doctor of Medicine (M.D.)

Dr. Steven Williams , MD

Surgery

NPI 1942412887

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location February 17, 2026

Registered at 300 RAWLS DR STE A, MCCOMB, MS 396482877 (Tel: 6016842481)

📍

Updated Practice Location January 16, 2026

Registered at 300 RAWLS DR STE 100, MCCOMB, MS 396482852 (Tel: 6016842481)

📍

Updated Business Mailing Address January 16, 2026

Registered at PO BOX 490, MCCOMB, MS 396490490 (Tel: 6012504366)

✅

NPI Profile Active September 28, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location September 28, 2016

Registered at 1311 ASTON AVE, MCCOMB, MS 396482825 (Tel: 6016842481)

📍

Updated Business Mailing Address September 28, 2016

Registered at 1311 ASTON AVE, MCCOMB, MS 396482825 (Tel: 6016842481)

👤

Provider Name / Credentials Updated September 28, 2016

Recorded as WILLIAM DIXON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 28, 2016

Surgery (License #14639 in MS)

🟢

Initial NPI Registration & Enumeration May 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: 1427262591

Entity Type:

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

Enumeration Date: May 09, 2007

Last Update: February 17, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 490

Mccomb, MS 396490490

Phone: 6012504366

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.