Active NPI 1326337692 Individual Practitioner Male Practitioner

Dr. Sean David Hayes , MD

Internal Medicine • Springfield, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Sean Hayes, MD is a certified Internal Medicine practicing in Springfield, IL. With approximately 15 years of clinical experience since graduating from Southern Illinois University School Of Medicine in 2011, Dr. Hayes delivers high-quality medical care to the local community at 701 N 1ST ST.

Dr. Hayes is affiliated with Springfield Clinic, Llp 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, initial hospital care with moderate level of medical decision making, if using time, at least, hospital discharge day management, more than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

701 N 1st St

Springfield, IL 627812403

Telephone 2175287541

Fax 2176063057

Associated Practice Facility / Clinic

🏢 Memorial Home Services Facility NPI 1982607123

Medicare Profile & Education

Medical School

Southern Illinois University School Of Medicine

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Springfield, IL

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -4.1 yrs vs City Avg

City Avg: 19.1 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

206 Specialists

Practicing in Springfield, IL (7544 Statewide)

Telehealth Adoption Rate

4.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

79.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hayes (15 Years) 15 Yrs

Springfield Specialty Average (19.1 Years) 19.1 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	318	156	$518.00	$115.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	276	136	$354.00	$76.66
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	129	128	$893.00	$168.42
99239 Hospital discharge day management, more than 30 minutes	96	96	$510.00	$110.74

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	379	192	$471.00	$117.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	263	126	$329.00	$78.27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	184	184	$893.00	$171.62
99239 Hospital discharge day management, more than 30 minutes	110	110	$480.00	$112.89

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	380	187	$471.00	$100.80
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	335	140	$329.00	$70.15
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	140	139	$893.00	$194.84
99239 Hospital discharge day management, more than 30 minutes	51	51	$480.00	$103.44
99220 Hospital observation care, typically 70 minutes	16	16	$822.00	$177.37

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	438	214	$471.00	$102.62
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	325	144	$329.00	$71.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	172	170	$893.00	$198.35
99239 Hospital discharge day management, more than 30 minutes	103	101	$480.00	$105.10
99220 Hospital observation care, typically 70 minutes	11	11	$822.00	$180.77

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	432	211	$454.00	$104.92
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	299	139	$329.00	$72.96
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	180	178	$828.00	$203.98
99239 Hospital discharge day management, more than 30 minutes	112	112	$480.00	$106.10
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	12	$178.00	$39.91

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	538	242	$162.70	$103.09
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	347	168	$124.87	$72.08
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	178	173	$346.99	$201.86
99239 Hospital discharge day management, more than 30 minutes	141	138	$179.41	$106.16
99220 Hospital observation care, typically 70 minutes	12	12	$436.17	$185.82

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	579	282	$116.41	$101.60
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	384	182	$79.33	$71.92
99239 Hospital discharge day management, more than 30 minutes	175	173	$125.13	$102.47
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	159	156	$221.96	$199.76
99231 Follow-up hospital inpatient care per day, typically 15 minutes	18	11	$42.69	$38.93
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	14	14	$15.64	$12.24
99220 Hospital observation care, typically 70 minutes	11	11	$202.15	$184.63

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	584	259	$116.62	$101.69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	314	166	$82.35	$70.80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	178	178	$228.72	$198.11
99239 Hospital discharge day management, more than 30 minutes	150	150	$118.90	$104.03
99291 Critical care, first 30-74 minutes	14	11	$297.75	$222.03
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	12	12	$15.76	$12.20

Medical Specialties & State Licenses

CMS Verified: 2025-07-14

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036141303

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.

Hospital & Practice Group Affiliations

Springfield Clinic, Llp

800 E Carpenter St, Springfield, IL 627025324

Phone: 2175446464

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Kaitlin Henry , MD

Family Medicine

NPI 1003136276

Doctor of Medicine (M.D.)

Sydney Lynch

Physician Assistant - Surgical

NPI 1003404864

Jeremy Elliott

Nurse Practitioner - Family

NPI 1003416546

Jessica Lee , APN

Nurse Practitioner - Family

NPI 1003461831

Advanced Practice Nurse

Julie Hart , PA-C

Physician Assistant

NPI 1003867342

Physician Assistant (Certified)

Barbara Wolfson , LCPC

Counselor

NPI 1003900739

Licensed Clinical Professional Counselor

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location July 14, 2025

Registered at 701 N 1ST ST, SPRINGFIELD, IL 627812403 (Tel: 2175287541)

📍

Updated Business Mailing Address July 14, 2025

Registered at PO BOX 19248, SPRINGFIELD, IL 627949248 (Tel: 2175287541)

✅

NPI Profile Active October 19, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location October 19, 2016

Registered at 1025 S 6TH ST, SPRINGFIELD, IL 627032403 (Tel: 2175287541)

📍

Updated Business Mailing Address October 19, 2016

Registered at 1025 S 6TH ST, SPRINGFIELD, IL 627032403 (Tel: 2175287541)

👤

Provider Name / Credentials Updated October 19, 2016

Recorded as SEAN HAYES, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 19, 2016

Internal Medicine (License #036141303 in IL)

🟢

Initial NPI Registration & Enumeration April 07, 2011

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: 1326337692

Entity Type:

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

Enumeration Date: April 07, 2011

Last Update: July 14, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 19248

Springfield, IL 627949248

Phone: 2175287541

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.