Active NPI 1508854654 Individual Practitioner Male Practitioner

Dr. John Anthony Gonzaba , DO

Surgery • Corydon, IN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Gonzaba, DO is a certified Surgery practicing in Corydon, IN. With approximately 34 years of clinical experience since graduating from At Still University Of Health Sciences, College Of Osteo Med, Kirksville in 1992, Dr. Gonzaba delivers high-quality medical care to the local community at 1263 HOSPITAL DR NW STE 270.

Dr. Gonzaba is affiliated with Harrison County Hospital and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, biopsy of large bowel using an endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1263 Hospital Dr Nw Ste 270

Corydon, IN 471122178

Telephone 8127384251

Associated Practice Facility / Clinic

🏢 Harrison County Hospital Facility NPI 1184615270

Medicare Profile & Education

Medical School

At Still University Of Health Sciences, College Of Osteo Med, Kirksville

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Corydon, IN

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs +2.0 yrs vs City Avg

City Avg: 32.0 Yrs

State Avg: 25.9 Yrs

Regional Practice Density

4 Specialists

Practicing in Corydon, IN (657 Statewide)

Telehealth Adoption Rate

25.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

80.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gonzaba (34 Years) 34 Yrs

Corydon Specialty Average (32.0 Years) 32.0 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
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$283.21	$124.28
45380 Biopsy of large bowel using an endoscope	26	26	$1293.00	$151.20
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	23	23	$1360.48	$232.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$177.19	$76.44
99213 Established patient office or other outpatient visit, typically 15 minutes	15	12	$117.47	$61.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$283.21	$125.34
45380 Biopsy of large bowel using an endoscope	22	22	$1293.00	$145.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$177.19	$77.20
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	12	12	$1367.00	$233.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$395.00	$163.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$283.21	$128.63
45380 Biopsy of large bowel using an endoscope	24	24	$1293.00	$130.83
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	17	17	$1367.00	$239.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$179.18	$94.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$177.19	$78.91
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$121.14	$46.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$284.23	$126.74
45380 Biopsy of large bowel using an endoscope	22	22	$1293.00	$142.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$177.19	$79.73
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$119.15	$47.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$283.21	$124.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$177.19	$72.49
45380 Biopsy of large bowel using an endoscope	14	14	$1293.00	$156.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$179.18	$76.26
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$119.15	$48.58
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	11	11	$1367.00	$248.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$207.00	$100.26
45380 Biopsy of large bowel using an endoscope	20	20	$1293.00	$115.36
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	19	19	$1367.00	$246.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$316.00	$140.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	16	$83.00	$42.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	16	$207.00	$103.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$207.00	$100.55
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$143.00	$70.38
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	16	16	$1367.00	$244.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$316.00	$154.14
47562 Removal of gallbladder using an endoscope	14	14	$1264.00	$595.77
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$83.00	$41.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$207.00	$101.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$184.70	$101.01
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	11	$80.88	$37.41
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	22	22	$1359.27	$246.84
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	16	$77.11	$40.79
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$116.50	$70.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$164.65	$101.48
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$1095.08	$178.95
99213 Established patient office or other outpatient visit, typically 15 minutes	12	11	$113.33	$68.87
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$186.58	$95.84
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$744.27	$177.87
45380 Biopsy of large bowel using an endoscope	11	11	$1186.45	$178.33

Medical Specialties & State Licenses

CMS Verified: 2022-07-18

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IN 02002543A

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

200415240 (IN)

Commercial Insurance / Payer ID Anthem

000000295497 (IN)

Commercial Insurance / Payer ID Rr Medicare

P00102949 (IN)

Hospital & Practice Group Affiliations

Harrison County Hospital

1263 Hospital Dr Nw, Corydon, IN 471122178

Phone: 8127380177

Practice Associates & Co-Workers

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

38 Associated Practitioners

Emily Colville , NP

Nurse Practitioner - Neonatal

NPI 1053079368

Nurse Practitioner

Dr. Joshua Hill , DPM

Podiatrist - Foot & Ankle Surgery

NPI 1093025504

Doctor of Podiatric Medicine

Jessica King

Nurse Practitioner - Family

NPI 1124671490

Dr. Devi Pierce , MD

Internal Medicine

NPI 1144218496

Doctor of Medicine (M.D.)

Dr. Sujittra Tongprasert , MD

Anesthesiology

NPI 1144486648

Doctor of Medicine (M.D.)

Kaylie Bragg , FNP-C

Nurse Practitioner - Family

NPI 1154286557

Family Nurse Practitioner (Certified)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location December 29, 2020

Registered at 1263 HOSPITAL DR NW STE 270, CORYDON, IN 471122178 (Tel: 8127384251)

📍

Updated Business Mailing Address December 29, 2020

Registered at PO BOX 38, CORYDON, IN 471120038 (Tel: 8127384251)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 241 ATWOOD ST, B2-30, CORYDON, IN 471121878 (Tel: 8127380177)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 750, CORYDON, IN 471120750 (Tel: 8127387830)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN GONZABA, DO

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #02002543A in IN)

🟢

Initial NPI Registration & Enumeration October 12, 2005

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: 1508854654

Entity Type:

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

Enumeration Date: October 12, 2005

Last Update: July 18, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 38

Corydon, IN 471120038

Phone: 8127384251

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.