Active NPI 1871507228 Individual Practitioner Male Practitioner

Dr. John G Carson , MD

Surgery - Vascular Surgery • Scarborough, ME

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. John Carson, MD is a certified Surgery - Vascular Surgery practicing in Scarborough, ME. With approximately 24 years of clinical experience since graduating from University Of Texas Medical School At Houston in 2002, Dr. Carson delivers high-quality medical care to the local community at 92 CAMPUS DR STE D.

Dr. Carson maintains professional affiliations with St Marys Regional Medical Center, Mainehealth, Central Maine Medical Center and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, ultrasound of both sides of head and neck blood flow, complete ultrasound study of arm and leg arteries. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

92 Campus Dr Ste D

Scarborough, ME 040747229

Telephone 2076628900

Medicare Profile & Education

Medical School

University Of Texas Medical School At Houston

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery - Vascular Surgery in Scarborough, ME

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

24 Yrs +11.0 yrs vs City Avg

City Avg: 13.0 Yrs

State Avg: 21.5 Yrs

Regional Practice Density

7 Specialists

Practicing in Scarborough, ME (36 Statewide)

Telehealth Adoption Rate

71.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

55.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Carson (24 Years) 24 Yrs

Scarborough Specialty Average (13.0 Years) 13.0 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	33	30	$202.27	$90.72
93880 Ultrasound of both sides of head and neck blood flow	21	19	$69.57	$35.24
93880 Ultrasound of both sides of head and neck blood flow	17	17	$70.59	$35.91
93923 Complete ultrasound study of arm and leg arteries	16	14	$51.19	$19.92
93922 Ultrasound study of arm and leg arteries	16	15	$26.63	$11.12
93922 Ultrasound study of arm and leg arteries	13	12	$26.46	$10.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$202.23	$93.41
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	12	12	$59.00	$20.02
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$137.42	$63.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$276.36	$123.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93922 Ultrasound study of arm and leg arteries	29	28	$26.24	$11.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	20	$177.95	$91.88
93880 Ultrasound of both sides of head and neck blood flow	16	16	$67.00	$36.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	15	$174.25	$94.55
93926 Ultrasound of one leg arteries or artery grafts	15	15	$43.27	$21.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$273.14	$128.91
93922 Ultrasound study of arm and leg arteries	14	14	$26.64	$11.34
93923 Complete ultrasound study of arm and leg arteries	11	11	$50.36	$20.70
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	11	11	$167.73	$76.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	65	60	$72.00	$63.77
93922 Ultrasound study of arm and leg arteries	53	42	$79.00	$11.62
93880 Ultrasound of both sides of head and neck blood flow	44	41	$72.00	$37.22
93926 Ultrasound of one leg arteries or artery grafts	20	17	$45.00	$22.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$107.00	$79.09
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	16	$107.00	$93.70
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	16	14	$70.00	$34.92
93923 Complete ultrasound study of arm and leg arteries	16	14	$41.00	$20.99
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	15	12	$45.00	$22.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	42	42	$72.00	$37.91
99213 Established patient office or other outpatient visit, typically 15 minutes	39	33	$72.00	$65.80
93923 Complete ultrasound study of arm and leg arteries	23	22	$41.00	$21.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	18	$43.00	$35.15
93922 Ultrasound study of arm and leg arteries	21	21	$79.00	$11.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$180.00	$132.44
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	15	15	$41.00	$21.21
93926 Ultrasound of one leg arteries or artery grafts	14	14	$45.00	$21.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$116.36	$81.22
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	13	13	$20.00	$11.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	57	57	$72.00	$39.52
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	43	42	$41.00	$22.06
93970 Ultrasound study of arm or leg veins with compression and maneuvers	30	30	$63.00	$33.02
93922 Ultrasound study of arm and leg arteries	27	25	$79.00	$12.44
93923 Complete ultrasound study of arm and leg arteries	26	25	$41.00	$21.89
99213 Established patient office or other outpatient visit, typically 15 minutes	26	23	$78.38	$50.60
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	24	$43.00	$25.34
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	13	12	$15.85	$11.68
93926 Ultrasound of one leg arteries or artery grafts	13	13	$45.00	$24.11
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	13	11	$70.00	$38.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$350.00	$127.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	46	44	$72.28	$38.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$350.00	$123.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	30	$43.00	$24.51
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	26	26	$41.00	$21.23
99213 Established patient office or other outpatient visit, typically 15 minutes	23	23	$72.00	$49.31
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	19	19	$11.00	$10.82
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	17	$119.79	$75.94
93970 Ultrasound study of arm or leg veins with compression and maneuvers	17	17	$62.65	$33.45
93922 Ultrasound study of arm and leg arteries	15	15	$79.00	$12.19
93923 Complete ultrasound study of arm and leg arteries	12	12	$40.75	$21.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$350.00	$120.75
99213 Established patient office or other outpatient visit, typically 15 minutes	36	30	$74.50	$47.30
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	25	25	$428.00	$157.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	22	$43.00	$23.77
93880 Ultrasound of both sides of head and neck blood flow	19	19	$73.00	$37.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$277.00	$127.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$176.43	$73.75
75774 Radiological supervision and interpretation of imaging of artery	13	13	$32.00	$16.23
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	12	12	$44.75	$11.24
75630 Review by radiologist of abdominal aorta and both leg arteries image	12	12	$288.00	$82.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93922 Ultrasound study of arm and leg arteries	118	105	$41.58	$12.37
93970 Ultrasound study of arm or leg veins with compression and maneuvers	99	96	$118.02	$34.32
93880 Ultrasound of both sides of head and neck blood flow	85	84	$109.06	$39.55
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	78	78	$75.79	$21.97
93926 Ultrasound of one leg arteries or artery grafts	50	45	$84.30	$23.77
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	44	41	$116.75	$38.90
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	29	$122.55	$43.95
93925 Ultrasound of leg arteries or artery grafts	27	25	$103.89	$39.01
93976 Ultrasound limited scan of abdominal, pelvic, and/or scrotal arterial inflow and venous outflow	22	22	$186.41	$39.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	21	12	$219.29	$71.36
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow	19	19	$291.47	$57.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$294.93	$108.18
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$302.23	$99.43
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$206.09	$73.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$364.09	$120.99

Medical Specialties & State Licenses

CMS Verified: 2023-04-17

Surgery - Vascular Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0129X

State License ME MD21625

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Surgery

NUCC Taxonomy Code: 208600000X

State License IL 36117446

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.

Surgery

NUCC Taxonomy Code: 208600000X

State License CA A85584

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

State License CA A85584

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

State License IL 36117446

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1871507228 (ME)

Hospital & Practice Group Affiliations

Central Maine Medical Center

300 Main St, Lewiston, ME 042407027

Phone: 2077950111

St Marys Regional Medical Center

93 Campus Ave, Lewiston, ME 042406030

Phone: 2077778100

Mainehealth

22 Bramhall St, Portland, ME 041023134

Phone: 2078859905

Mainehealth

99 Campus Ave, Lewiston, ME 042406045

Mainehealth

92 Campus Dr, Scarborough, ME 040747229

Practice Associates & Co-Workers

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

8 Associated Practitioners

Jessica Richardson , NP

Nurse Practitioner - Acute Care

NPI 1003162132

Nurse Practitioner

Thanh Thao Nguyen

Podiatrist - Foot & Ankle Surgery

NPI 1295304871

Jennifer Hallett , PA-C

Physician Assistant

NPI 1306148986

Physician Assistant (Certified)

Dr. Sarah Gray , MD

Surgery - Vascular Surgery

NPI 1407235534

Doctor of Medicine (M.D.)

Dr. Mohammad Usmani , MD

Surgery - Vascular Surgery

NPI 1508221367

Doctor of Medicine (M.D.)

Suzanne Guinan , FNP-C

Nurse Practitioner - Family

NPI 1740687169

Family Nurse Practitioner (Certified)

Career & Practice History Timeline

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

12 Historical Events

📍

Updated Practice Location April 17, 2023

Registered at 92 CAMPUS DR STE D, SCARBOROUGH, ME 040747229 (Tel: 2076628900)

📍

Updated Business Mailing Address April 17, 2023

Registered at 92 CAMPUS DR STE D, SCARBOROUGH, ME 040747229 (Tel: 2076628900)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 17, 2023

Surgery (License #36117446 in IL)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 28, 2022

Surgery (License #A85584 in CA)

📍

Updated Practice Location December 11, 2019

Registered at 35 MEDICAL CENTER PKWY, AUGUSTA, ME 04330 (Tel: 2078727171)

📍

Updated Business Mailing Address December 11, 2019

Registered at 35 MEDICAL CENTER PKWY, AUGUSTA, ME 043308160 (Tel: 2078727171)

✅

NPI Profile Active August 07, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location August 07, 2009

Registered at 10535 HOSPITAL WAY, MATHER, CA 956554200 (Tel: 9168437000)

📍

Updated Business Mailing Address August 07, 2009

Registered at 4860 Y ST, SUITE 3400, SACRAMENTO, CA 958172307 (Tel: 9167342024)

👤

Provider Name / Credentials Updated August 07, 2009

Recorded as JOHN CARSON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 07, 2009

Surgery (License #36117446 in IL)

🟢

Initial NPI Registration & Enumeration July 28, 2006

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: 1871507228

Entity Type:

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

Enumeration Date: July 28, 2006

Last Update: April 17, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

92 Campus Dr Ste D

Scarborough, ME 040747229

Phone: 2076628900

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.