Active NPI 1487902805 Individual Practitioner Male Practitioner

Dr. John-Jeremiah Kretchy , MD

Hospitalist • Appleton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John-Jeremiah Kretchy, MD is a certified Hospitalist practicing in Appleton, WI. With approximately 22 years of clinical experience since completing medical education in 2004, Dr. Kretchy delivers high-quality medical care to the local community at 1818 N MEADE ST.

Dr. Kretchy maintains professional affiliations with Columbia St Marys Hospital Milwaukee Inc, Ascension Medical Group-Southeast Wisconsin Inc, Ascension Medical Group-Fox Valley Wisconsin Inc 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, hospital discharge day management, more than, initial hospital care with straightforward or low-level 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

1818 N Meade St

Appleton, WI 549113454

Telephone 9207357645

Fax 9207357618

Associated Practice Facility / Clinic

🏢 Appleton Emergency Services S C Facility NPI 1588666853

Medicare Profile & Education

Medical School

Other

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Hospitalist in Appleton, WI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

22 Yrs +6.1 yrs vs City Avg

City Avg: 15.9 Yrs

State Avg: 20.1 Yrs

Regional Practice Density

45 Specialists

Practicing in Appleton, WI (896 Statewide)

Telehealth Adoption Rate

2.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

75.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kretchy (22 Years) 22 Yrs

Appleton Specialty Average (15.9 Years) 15.9 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	320	117	$248.31	$72.89
99239 Hospital discharge day management, more than 30 minutes	89	87	$463.06	$106.14
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	84	82	$491.35	$119.84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	15	11	$478.07	$109.55

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	106	43	$264.91	$74.23
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	100	98	$539.68	$121.14
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	40	22	$487.50	$111.71
99239 Hospital discharge day management, more than 30 minutes	40	39	$574.05	$107.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$746.71	$163.12

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	279	95	$339.95	$64.97
99239 Hospital discharge day management, more than 30 minutes	67	67	$625.64	$95.60
99219 Hospital observation care, typically 50 minutes	49	48	$562.88	$123.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	35	$544.69	$126.39
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	21	14	$474.57	$96.49
99217 Hospital observation care on day of discharge	20	20	$325.00	$67.38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$758.93	$186.13

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	312	111	$294.23	$67.01
99239 Hospital discharge day management, more than 30 minutes	78	77	$506.62	$98.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	67	67	$470.75	$126.82
99219 Hospital observation care, typically 50 minutes	45	44	$481.87	$124.47
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	38	22	$434.25	$98.18
99217 Hospital observation care on day of discharge	32	31	$292.84	$68.60
99225 Subsequent observation care, typically 25 minutes per day	29	19	$269.79	$67.09
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$608.53	$190.17

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	434	164	$260.45	$69.33
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	99	49	$387.31	$99.82
99239 Hospital discharge day management, more than 30 minutes	89	89	$460.90	$102.72
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	79	75	$443.73	$132.43
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	31	$563.00	$191.52
99219 Hospital observation care, typically 50 minutes	30	30	$461.78	$131.58
99217 Hospital observation care on day of discharge	25	25	$279.44	$70.44
99225 Subsequent observation care, typically 25 minutes per day	21	16	$256.39	$53.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99219 Hospital observation care, typically 50 minutes	75	73	$402.45	$130.02
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	56	55	$403.36	$130.79
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	55	29	$212.24	$69.55
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	52	50	$568.37	$189.68
99220 Hospital observation care, typically 70 minutes	31	31	$556.11	$177.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	87	86	$578.00	$194.24
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	62	61	$391.00	$130.77
99219 Hospital observation care, typically 50 minutes	44	42	$391.00	$130.06
99220 Hospital observation care, typically 70 minutes	38	38	$536.00	$178.85
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes	16	16	$483.00	$155.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	58	58	$365.00	$128.17
99219 Hospital observation care, typically 50 minutes	49	47	$366.06	$130.75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	34	25	$193.00	$66.58
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	34	34	$540.00	$194.63
99220 Hospital observation care, typically 70 minutes	16	16	$501.06	$178.60

Medical Specialties & State Licenses

CMS Verified: 2021-12-01

Hospitalist Primary Specialty

NUCC Taxonomy Code: 208M00000X

State License WI 64203

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 WI 64203

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

Aspirus Wausau Hospital Inc

333 Pine Ridge Blvd, Wausau, WI 544014120

Phone: 7158470477

Aspirus Wausau Hospital Inc

333 Pine Ridge Blvd, Wausau, WI 544014120

Phone: 7158472121

Aspirus Wausau Hospital Inc

333 Pine Ridge Blvd, Wausau, WI 544014102

Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc.

2251 N Shore Dr, Rhinelander, WI 545016710

Phone: 7153612000

Columbia St Marys Hospital Milwaukee Inc

2301 N Lake Dr, Milwaukee, WI 532114508

Phone: 4145851000

Ascension Medical Group-Southeast Wisconsin Inc

5000 W Chambers St, Milwaukee, WI 532101650

Phone: 4144472569

Ascension Medical Group-Fox Valley Wisconsin Inc

1506 S Oneida St, Appleton, WI 549151305

Phone: 9207382000

Aspirus Stevens Point Hospital And Clinics, Inc.

900 Illinois Ave, Stevens Point, WI 544813114

Phone: 7153465000

Secondary Practice Locations

130 2nd St

Neenah, WI 549562883

Phone: 9207292738

Practice Associates & Co-Workers

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

40 Associated Practitioners

Hanna Sippel , PA

Physician Assistant

NPI 1003560921

Physician Assistant

Dr. Syed Ali , MD

Hospitalist

NPI 1023207586

Doctor of Medicine (M.D.)

Kimberly Romenesko , APNP

Nurse Practitioner

NPI 1023368727

Advanced Practice Nurse Prescriber

Dr. Leigh Mae Provencher , MD

Internal Medicine - Critical Care Medicine

NPI 1063949741

Doctor of Medicine (M.D.)

Matthew Boese

Hospitalist

NPI 1073018180

Dr. Luiza-Irina Florescu , MD

Hospitalist

NPI 1093820177

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active October 12, 2017

NPI status registered as active in NPPES database

📍

Updated Business Mailing Address October 12, 2017

Registered at 122 E COLLEGE AVE, APPLETON, WI 549115794 (Tel: 9209963264)

📍

Updated Practice Location October 12, 2017

Registered at 1818 N MEADE ST, APPLETON, WI 549113454 (Tel: 9207357645)

👤

Provider Name / Credentials Updated October 12, 2017

Recorded as JOHN-JEREMIAH KRETCHY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 12, 2017

Internal Medicine (License #64203 in WI)

✅

NPI Profile Active September 23, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location September 23, 2015

Registered at 1818 N MEADE ST, APPLETON, WI 549113454 (Tel: 9207357645)

📍

Updated Business Mailing Address September 23, 2015

Registered at PO BOX 8003, APPLETON, WI 549128003 (Tel: 9208305900)

👤

Provider Name / Credentials Updated September 23, 2015

Recorded as JOHN-JEREMIAH KRETCHY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 23, 2015

Internal Medicine (License #64203 in WI)

🟢

Initial NPI Registration & Enumeration August 15, 2012

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: 1487902805

Entity Type:

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

Enumeration Date: August 15, 2012

Last Update: December 01, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

122 E College Ave

Appleton, WI 549115794

Phone: 9209963264

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.