Active NPI 1063455848 Individual Practitioner Male Practitioner

Dr. Peter Aas , MD

Hospitalist • Duluth, MN

Professional Overview & Biography Verified Profile Summary

Dr. Peter Aas, MD is a certified Hospitalist practicing in Duluth, MN. With approximately 24 years of clinical experience since graduating from University Of Minnesota Medical School in 2002, Dr. Aas delivers high-quality medical care to the local community at 400 E 3RD ST.

Dr. Aas does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, follow-up hospital inpatient care per day, initial hospital care with moderate level of 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

Medicare Profile & Education

Medical School

University Of Minnesota Medical School

Graduation Year

2002

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Hospitalist in Duluth, MN

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

24 Yrs +7.1 yrs vs City Avg

City Avg: 16.9 Yrs

State Avg: 18.2 Yrs

Regional Practice Density

72 Specialists

Practicing in Duluth, MN (402 Statewide)

Telehealth Adoption Rate

20.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

77.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Aas (24 Years) 24 Yrs

Duluth Specialty Average (16.9 Years) 16.9 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	150	78	$309.24	$74.22
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	93	58	$456.71	$111.68
99231 Follow-up hospital inpatient care per day, typically 15 minutes	72	34	$191.88	$46.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	27	27	$821.00	$162.83
99238 Hospital discharge day management, 30 minutes or less	27	27	$313.11	$76.99
99239 Hospital discharge day management, more than 30 minutes	23	23	$445.70	$108.44

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	222	103	$299.68	$75.74
99231 Follow-up hospital inpatient care per day, typically 15 minutes	110	44	$169.00	$47.01
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	108	64	$428.28	$113.95
99238 Hospital discharge day management, 30 minutes or less	69	66	$296.00	$77.74
99239 Hospital discharge day management, more than 30 minutes	34	34	$439.00	$109.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	28	$821.00	$166.18
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	13	$552.00	$124.08

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	134	65	$286.54	$68.70
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	125	65	$411.80	$98.71
99231 Follow-up hospital inpatient care per day, typically 15 minutes	61	28	$164.41	$37.01
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	37	36	$797.81	$190.85
99239 Hospital discharge day management, more than 30 minutes	25	25	$425.56	$102.08
99220 Hospital observation care, typically 70 minutes	23	22	$731.09	$172.47
99238 Hospital discharge day management, 30 minutes or less	22	22	$289.00	$69.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	129	65	$399.56	$100.49
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	118	68	$279.03	$69.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	34	34	$773.21	$192.87
99239 Hospital discharge day management, more than 30 minutes	29	28	$413.45	$101.57
99231 Follow-up hospital inpatient care per day, typically 15 minutes	26	17	$160.04	$37.39
99238 Hospital discharge day management, 30 minutes or less	21	21	$280.10	$70.51
99217 Hospital observation care on day of discharge	13	13	$279.15	$70.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	188	95	$384.68	$101.63
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	123	75	$268.71	$71.13
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	85	84	$747.64	$198.15
99239 Hospital discharge day management, more than 30 minutes	37	37	$397.24	$106.18
99231 Follow-up hospital inpatient care per day, typically 15 minutes	28	21	$152.43	$38.59
99238 Hospital discharge day management, 30 minutes or less	27	27	$269.85	$72.38
99217 Hospital observation care on day of discharge	13	13	$269.92	$72.01
99220 Hospital observation care, typically 70 minutes	12	12	$690.75	$182.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	210	116	$369.57	$99.02
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	170	105	$258.58	$69.98
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	85	85	$717.06	$196.41
99239 Hospital discharge day management, more than 30 minutes	63	63	$384.05	$104.81
99238 Hospital discharge day management, 30 minutes or less	40	40	$260.48	$71.28
99231 Follow-up hospital inpatient care per day, typically 15 minutes	33	19	$148.03	$38.14
99217 Hospital observation care on day of discharge	17	17	$261.94	$71.28
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$487.00	$132.53
99220 Hospital observation care, typically 70 minutes	13	13	$655.31	$180.48

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	179	101	$250.94	$70.94
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	99	65	$358.45	$101.65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	80	78	$681.42	$197.42
99231 Follow-up hospital inpatient care per day, typically 15 minutes	57	30	$143.26	$38.08
99239 Hospital discharge day management, more than 30 minutes	48	46	$372.50	$105.73
99238 Hospital discharge day management, 30 minutes or less	43	42	$251.84	$71.57
99220 Hospital observation care, typically 70 minutes	18	16	$623.56	$182.08

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	182	113	$228.48	$70.29
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	135	95	$326.20	$101.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	120	120	$644.67	$195.51
99239 Hospital discharge day management, more than 30 minutes	47	47	$349.70	$105.14
99238 Hospital discharge day management, 30 minutes or less	40	40	$243.00	$70.96
99231 Follow-up hospital inpatient care per day, typically 15 minutes	34	25	$138.00	$37.96
99220 Hospital observation care, typically 70 minutes	32	32	$577.63	$180.69
99291 Critical care, first 30-74 minutes	16	13	$735.00	$214.92
99217 Hospital observation care on day of discharge	14	14	$242.00	$71.12

Medical Specialties & State Licenses

Hospitalist Primary Specialty

NUCC Taxonomy Code: 208M00000X

State License MN 45641

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License MN 45641

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

779472000 (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

11 Historical Events

✅

NPI Profile Active November 01, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location November 01, 2017

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

📍

Updated Business Mailing Address November 01, 2017

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

👤

Provider Name / Credentials Updated November 01, 2017

Recorded as PETER AAS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 01, 2017

Internal Medicine (License #45641 in MN)

✅

NPI Profile Active June 27, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location June 27, 2011

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

📍

Updated Business Mailing Address June 27, 2011

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

👤

Provider Name / Credentials Updated June 27, 2011

Recorded as PETER AAS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 27, 2011

Internal Medicine (License #45641 in MN)

🟢

Initial NPI Registration & Enumeration June 13, 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: 1063455848

Entity Type:

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

Enumeration Date: June 13, 2006

Last Update: November 01, 2017

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.