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Active NPI 1023495520 Individual Practitioner Male Practitioner

John Mitko

Surgery • Brockton, MA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

John Mitko is a certified Surgery practicing in Brockton, MA. With approximately 11 years of clinical experience since completing medical education in 2015, John Mitko delivers high-quality medical care to the local community at 680 CENTRE ST.

John Mitko is affiliated with Signature Healthcare Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, new patient outpatient office visit, 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

680 Centre St

Brockton, MA 023023308

Telephone 5089417000
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Brockton, MA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
11 Yrs -12.7 yrs vs City Avg
City Avg: 23.7 Yrs
State Avg: 28.2 Yrs
Regional Practice Density
21 Specialists

Practicing in Brockton, MA (1077 Statewide)

Telehealth Adoption Rate
4.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
60.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mitko (11 Years) 11 Yrs
Brockton Specialty Average (23.7 Years) 23.7 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
99231 Follow-up hospital inpatient care per day, typically 15 minutes
72 57 $120.75 $51.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
31 31 $494.26 $165.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
27 27 $398.33 $177.92
99213 Established patient office or other outpatient visit, typically 15 minutes
18 17 $184.67 $89.23
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
16 15 $121.75 $53.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
15 15 $325.00 $105.38
99221 Initial hospital inpatient care per day, typically 30 minutes
13 12 $235.85 $87.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
11 11 $278.55 $123.03

Medical Specialties & State Licenses

CMS Verified: 2025-09-02
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MA 1019022

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
36156800 (IL)

Hospital & Practice Group Affiliations

Signature Healthcare Medical Group Inc

680 Centre St, Brockton, MA 023023308

Phone: 5089417000

Practice Associates & Co-Workers

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

40 Associated Practitioners
Jamie Chyat , PA-C

Physician Assistant

NPI 1013376730

Physician Assistant (Certified)

Dr. David Osayande , MD

Radiology - Vascular & Interventional Radiology

NPI 1053973297

Doctor of Medicine (M.D.)

Dr. Luis Ortiz , MD

Emergency Medicine

NPI 1063447415

Doctor of Medicine (M.D.)

Dr. Stephen Simon , DO

Emergency Medicine

NPI 1063918258

Doctor of Osteopathic Medicine (D.O.)

Rachel Granquist , PA

Physician Assistant

NPI 1073718938

Physician Assistant

Sean Osborne , PA

Physician Assistant

NPI 1073977823

Physician Assistant

Career & Practice History Timeline

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

11 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 02, 2025

Surgery (License #1019022 in MA)

📍
Updated Practice Location June 17, 2024

Registered at 680 CENTRE ST, BROCKTON, MA 023023308 (Tel: 5089417000)

📍
Updated Business Mailing Address June 17, 2024

Registered at 680 CENTRE ST, BROCKTON, MA 023023308 (Tel: 5089417000)

📍
Updated Practice Location November 04, 2021

Registered at 3000 N HALSTED ST STE 703, CHICAGO, IL 606575196 (Tel: 7733276800)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 04, 2021

Surgery (License #0361455820 in IL)

NPI Profile Active May 04, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location May 04, 2015

Registered at 375 DIXMYTH AVE, CINCINNATI, OH 452202475 (Tel: 5138623562)

📍
Updated Business Mailing Address May 04, 2015

Registered at 375 DIXMYTH AVE, CINCINNATI, OH 452202475 (Tel: 5138623562)

👤
Provider Name / Credentials Updated May 04, 2015

Recorded as JOHN MITKO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 04, 2015

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration May 04, 2015

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: 1023495520
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 04, 2015
Last Update: September 02, 2025
Sole Proprietor: Yes

Mailing Address

680 Centre St

Brockton, MA 023023308

Phone: 5089417000

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.