Active NPI 1902366396 Individual Practitioner Male Practitioner

William Carson Markes , PA-C

Physician Assistant • Duluth, MN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

William Markes, PA-C is a certified Physician Assistant practicing in Duluth, MN. With approximately 8 years of clinical experience since completing medical education in 2018, William Markes delivers high-quality medical care to the local community at 400 EAST THIRD STREET.

William Markes is affiliated with St. Luke'S Hospital Of Duluth 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, established patient outpatient office visit, 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

400 East Third Street

Duluth, MN 558051951

Telephone 2187868364

Associated Practice Facility / Clinic

🏢 The Duluth Clinic, Ltd Facility NPI 1245278209

Medicare Profile & Education

Medical School

Other

Graduation Year

2018

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Duluth, MN

Experienced Practitioner (5-10 Yrs)

Practitioner Clinical Experience

8 Yrs -1.5 yrs vs City Avg

City Avg: 9.5 Yrs

State Avg: 10.9 Yrs

Regional Practice Density

180 Specialists

Practicing in Duluth, MN (4026 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Markes (8 Years) 8 Yrs

Duluth Specialty Average (9.5 Years) 9.5 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	39	28	$245.72	$63.25

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	75	68	$211.00	$79.53
99213 Established patient office or other outpatient visit, typically 15 minutes	71	64	$150.39	$53.69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	37	24	$301.76	$64.37
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$226.06	$64.98
51705 Removal of skin suture with change of bladder tube	13	11	$496.69	$41.25
51741 Electronic assessment of bladder emptying	12	11	$58.00	$6.74

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	66	61	$210.77	$80.71
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	37	25	$413.81	$83.91
99213 Established patient office or other outpatient visit, typically 15 minutes	16	14	$145.25	$54.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	64	52	$141.33	$55.39
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	55	27	$397.76	$85.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	49	$204.80	$83.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$199.18	$69.16
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$380.71	$82.48
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	11	$93.00	$30.00
51702 Simple insertion of temporary bladder tube	13	13	$273.46	$20.76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	13	12	$273.62	$59.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	75	64	$138.20	$42.92
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	33	20	$387.36	$87.54
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	27	$89.66	$21.42
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	29	26	$271.07	$60.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	23	$217.08	$66.22
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$370.50	$84.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	96	74	$128.90	$42.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	70	$196.24	$65.20
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	51	36	$375.47	$85.89
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	19	$77.66	$21.00
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$364.06	$82.80
51741 Electronic assessment of bladder emptying	14	14	$56.00	$7.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$287.00	$106.02
51700 Simple bladder irrigation and/or instillation	11	11	$374.45	$25.14

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License MN 12974

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

St. Luke's Hospital Of Duluth

920 E 1st St, Duluth, MN 558052225

St. Luke's Hospital Of Duluth

915 E 1st St, Duluth, MN 558052107

Phone: 2182495439

St. Luke's Hospital Of Duluth

1011 E 1st St, Duluth, MN 558052242

Phone: 2182497000

St. Luke's Hospital Of Duluth

1015 E 1st St, Duluth, MN 558052242

Phone: 2182497860

Practice Associates & Co-Workers

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

40 Associated Practitioners

Molly Dwyer , APRN, CNP

Nurse Practitioner - Psychiatric/Mental Health

NPI 1003468760

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Dr. Amy Larson , MD

Hospitalist

NPI 1003565292

Doctor of Medicine (M.D.)

Kelsey O'neil , APRN, CNP

Nurse Practitioner - Family

NPI 1003677303

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Annette Barker

Nurse Practitioner - Family

NPI 1003845595

Bruce Derauf

Radiology - Diagnostic Radiology

NPI 1003847385

Nizar Saleh

Internal Medicine - Cardiovascular Disease

NPI 1003857889

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active March 21, 2019

NPI status registered as active in NPPES database

📍

Updated Practice Location March 21, 2019

Registered at 400 EAST THIRD STREET, DULUTH, MN 558051951 (Tel: 2187868364)

📍

Updated Business Mailing Address March 21, 2019

Registered at 400 EAST THIRD STREET, DULUTH, MN 55805

👤

Provider Name / Credentials Updated March 21, 2019

Recorded as WILLIAM MARKES, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 21, 2019

Physician Assistant (License #12974 in MN)

🟢

Initial NPI Registration & Enumeration March 21, 2019

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: 1902366396

Entity Type:

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

Enumeration Date: March 21, 2019

Last Update: March 21, 2019

Sole Proprietor: No

Update or Correct Profile

Mailing Address

400 East Third Street

Duluth, MN 55805

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.