Active NPI 1154855732 Individual Practitioner Male Practitioner

Eammon Grosek

Internal Medicine • Marshfield, WI

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Eammon Grosek is a certified Internal Medicine practicing in Marshfield, WI. With approximately 10 years of clinical experience since graduating from Sanford School Of Medicine Of University Of South Dakota in 2016, Eammon Grosek delivers high-quality medical care to the local community at 1000 N OAK AVE.

Eammon Grosek is affiliated with Monument Health Rapid City Hospital Inc 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, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent 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

1000 N Oak Ave

Marshfield, WI 544495703

Telephone 7196490232

Associated Practice Facility / Clinic

🏢 Marshfield Clinic Inc Facility NPI 1952347981

Medicare Profile & Education

Medical School

Sanford School Of Medicine Of University Of South Dakota

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Marshfield, WI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

10 Yrs -14.3 yrs vs City Avg

City Avg: 24.3 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

67 Specialists

Practicing in Marshfield, WI (2181 Statewide)

Telehealth Adoption Rate

13.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

73.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Grosek (10 Years) 10 Yrs

Marshfield Specialty Average (24.3 Years) 24.3 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	675	350	$381.00	$90.77
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	239	239	$429.00	$123.59
99213 Established patient office or other outpatient visit, typically 15 minutes	125	98	$269.00	$61.47
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$492.00	$124.26
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$527.00	$156.90

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	769	395	$381.00	$93.83
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	156	156	$390.00	$126.82
99213 Established patient office or other outpatient visit, typically 15 minutes	144	116	$269.00	$63.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$492.00	$128.19
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	21	16	$158.00	$51.44
99495 Transitional care management services for problem of at least moderate complexity	16	15	$614.00	$135.46
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$497.00	$161.60

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	653	327	$333.00	$95.39
99213 Established patient office or other outpatient visit, typically 15 minutes	116	100	$234.00	$64.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	99	99	$428.00	$129.60
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	49	49	$340.00	$128.68
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	20	14	$145.00	$52.47
99495 Transitional care management services for problem of at least moderate complexity	15	14	$531.00	$140.03

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	353	217	$281.00	$96.86
99213 Established patient office or other outpatient visit, typically 15 minutes	90	70	$194.00	$65.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	62	62	$422.00	$132.24
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	21	$378.00	$143.16
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	17	14	$145.00	$52.25
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$533.00	$179.61

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	26	23	$277.00	$75.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$416.00	$127.07

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WI 6523

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

Monument Health Rapid City Hospital Inc

353 Fairmont Blvd, Rapid City, SD 577017375

Phone: 6057558109

Monument Health Rapid City Hospital Inc

640 Flormann St, Rapid City, SD 577014679

Phone: 6057553300

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Alison Sampson , DO

Obstetrics & Gynecology

NPI 1003038381

Doctor of Osteopathic Medicine (D.O.)

Tamara Leahy , NP

Nurse Practitioner

NPI 1003190018

Nurse Practitioner

Samantha Moore , RD, CD, CDCES

Dietitian, Registered

NPI 1003191297

Registered Dietitian, CD, Certified Diabetes Care and Education Specialist

Eugene Larson , PA

Physician Assistant

NPI 1003904087

Physician Assistant

Dr. Stuart Tipping , MD

Internal Medicine - Medical Oncology

NPI 1003925124

Doctor of Medicine (M.D.)

James Skibba , CRNA

Nurse Anesthetist, Certified Registered

NPI 1013004761

Certified Registered Nurse Anesthetist

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active April 20, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location April 20, 2017

Registered at 1000 N OAK AVE, MARSHFIELD, WI 544495703 (Tel: 7196490232)

📍

Updated Business Mailing Address April 20, 2017

Registered at 1000 N OAK AVE, MARSHFIELD, WI 544495703

👤

Provider Name / Credentials Updated April 20, 2017

Recorded as EAMMON GROSEK

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 20, 2017

Internal Medicine (License #6523 in WI)

🟢

Initial NPI Registration & Enumeration April 20, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1154855732

Entity Type:

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

Enumeration Date: April 20, 2017

Last Update: April 20, 2017

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1000 N Oak Ave

Marshfield, WI 544495703

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.