Active NPI 1326074642 Individual Practitioner Male Practitioner

Michael Merle Maddy

Internal Medicine - Nephrology • Duluth, MN

Professional Overview & Biography Verified Profile Summary

Michael Maddy is a registered healthcare professional specializing in Internal Medicine - Nephrology in Duluth, MN. Practice services are available at 400 E 3RD ST under active NPI credentials.

Frequently performed procedures and clinical services include dialysis services, 2-3 physician visits per month (20 years or older), established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

400 E 3rd St

Duluth, MN 558051951

Telephone 2187868364

Associated Practice Facility / Clinic

🏢 The Duluth Clinic, Ltd Facility NPI 1245278209

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Duluth, MN

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 29.4 Yrs

State Avg: 27.1 Yrs

Regional Practice Density

12 Specialists

Practicing in Duluth, MN (266 Statewide)

Telehealth Adoption Rate

41.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	59	13	$1004.00	$293.88
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$220.00	$83.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	85	19	$917.81	$238.64
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	70	40	$269.00	$71.56
99231 Follow-up hospital inpatient care per day, typically 15 minutes	44	25	$152.70	$38.64
90962 Dialysis services, 1 physician visit per month (20 years or older)	31	19	$707.19	$184.06
99213 Established patient office or other outpatient visit, typically 15 minutes	22	17	$188.14	$50.50
99213 Established patient office or other outpatient visit, typically 15 minutes	20	16	$214.75	$62.26
99442 Telephone medical discussion with physician, 11-20 minutes	19	18	$215.21	$50.65
90935 Hemodialysis procedure with physician evaluation	19	19	$379.00	$72.76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	15	14	$383.00	$103.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	11	$319.62	$103.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	164	90	$147.20	$38.13
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	146	85	$259.03	$70.65
90935 Hemodialysis procedure with physician evaluation	108	68	$379.00	$71.58
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	75	29	$806.00	$234.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	22	$306.62	$93.64
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	31	15	$956.00	$278.61
99213 Established patient office or other outpatient visit, typically 15 minutes	31	25	$208.16	$63.46
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	29	$484.80	$132.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	12	$186.00	$76.80
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	24	24	$370.75	$101.05
99213 Established patient office or other outpatient visit, typically 15 minutes	14	12	$129.93	$49.81

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	56	27	$291.00	$87.80
99213 Established patient office or other outpatient visit, typically 15 minutes	52	37	$196.83	$59.02
36415 Insertion of needle into vein for collection of blood sample	48	24	$18.00	$2.94
80069 Kidney function blood test panel	34	17	$105.00	$10.51
99213 Established patient office or other outpatient visit, typically 15 minutes	23	19	$90.35	$48.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	16	$135.00	$74.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	44	34	$193.43	$58.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	43	27	$285.86	$82.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	18	$89.48	$76.57
99213 Established patient office or other outpatient visit, typically 15 minutes	27	22	$73.41	$48.72
80069 Kidney function blood test panel	17	11	$105.00	$11.53

Medical Specialties & State Licenses

Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

State License MN 29234

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

30783100 (WI)

Medicaid State Provider ID

653575500 (MN)

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 May 09, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location May 09, 2011

Registered at 400 E 3RD ST, DULUTH, MN 558051951 (Tel: 2187868364)

📍

Updated Business Mailing Address May 09, 2011

Registered at 400 E 3RD ST, DULUTH, MN 558051951 (Tel: 2187868364)

👤

Provider Name / Credentials Updated May 09, 2011

Recorded as MICHAEL MADDY

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 09, 2011

Internal Medicine (License #29234 in MN)

🟢

Initial NPI Registration & Enumeration June 26, 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: 1326074642

Entity Type:

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

Enumeration Date: June 26, 2006

Last Update: May 09, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

400 E 3rd St

Duluth, MN 558051951

Phone: 2187868364

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.