Active NPI 1700802055 Individual Practitioner Male Practitioner

Dr. Michael A Nizzi , DO

Surgery • Nampa, ID

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Nizzi, DO is a certified Surgery practicing in Nampa, ID. With approximately 35 years of clinical experience since graduating from Des Moines University Of Osteopathic Medicine And Health Sciences in 1991, Dr. Nizzi delivers high-quality medical care to the local community at 4400 E FLAMINGO AVE STE 200.

Dr. Nizzi is affiliated with Saint Alphonsus Regional Medical Center Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4400 E Flamingo Ave Ste 200

Nampa, ID 836871128

Telephone 2083022700

Fax 2083022725

Associated Practice Facility / Clinic

🏢 Saint Alphonsus Regional Medical Center Inc Facility NPI 1992736649

Medicare Profile & Education

Medical School

Des Moines University Of Osteopathic Medicine And Health Sciences

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Nampa, ID

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +14.4 yrs vs City Avg

City Avg: 20.6 Yrs

State Avg: 20.2 Yrs

Regional Practice Density

9 Specialists

Practicing in Nampa, ID (187 Statewide)

Telehealth Adoption Rate

11.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

46.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nizzi (35 Years) 35 Yrs

Nampa Specialty Average (20.6 Years) 20.6 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
99213 Established patient office or other outpatient visit, typically 15 minutes	34	32	$132.50	$91.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$183.00	$112.32
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	23	$84.88	$53.17
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	15	$88.29	$49.02
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$129.31	$72.55
49650 Repair of groin hernia using an endoscope	11	11	$1068.82	$532.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	37	30	$128.89	$87.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	25	$80.29	$54.43
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	14	$73.17	$49.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$179.67	$108.80
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$128.69	$69.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	11	$187.00	$119.78

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	23	23	$185.00	$109.31
99213 Established patient office or other outpatient visit, typically 15 minutes	23	21	$129.00	$88.26
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$131.00	$70.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	20	$78.00	$54.75
99231 Follow-up hospital inpatient care per day, typically 15 minutes	17	15	$64.00	$38.11
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	13	$283.00	$116.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$283.00	$163.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	22	$75.68	$54.74
99231 Follow-up hospital inpatient care per day, typically 15 minutes	28	18	$64.00	$37.96
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	26	20	$117.00	$70.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$180.20	$110.27
99213 Established patient office or other outpatient visit, typically 15 minutes	25	25	$125.48	$89.67
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$126.76	$68.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	70	54	$148.43	$71.95
99202 New patient office or other outpatient visit, typically 20 minutes	38	38	$125.03	$72.00
99231 Follow-up hospital inpatient care per day, typically 15 minutes	38	31	$69.79	$39.07
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	30	23	$121.00	$71.82
49650 Repair of groin hernia using an endoscope	12	12	$1508.33	$525.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	122	74	$75.00	$38.58
99213 Established patient office or other outpatient visit, typically 15 minutes	112	82	$148.44	$69.08
99202 New patient office or other outpatient visit, typically 20 minutes	39	39	$118.69	$73.25
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	20	17	$132.00	$71.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$173.82	$100.48
47562 Removal of gallbladder using an endoscope	15	15	$1350.00	$634.16
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	13	12	$1032.00	$245.21
49650 Repair of groin hernia using an endoscope	12	12	$1691.67	$517.26
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	12	12	$1342.00	$107.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	115	71	$75.00	$37.76
99213 Established patient office or other outpatient visit, typically 15 minutes	104	77	$147.69	$67.30
99202 New patient office or other outpatient visit, typically 20 minutes	48	48	$114.06	$69.84
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	25	23	$132.00	$67.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$166.43	$101.89
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	17	17	$15.65	$5.46
49650 Repair of groin hernia using an endoscope	16	15	$1728.13	$456.29
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	14	$584.00	$113.91
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	14	14	$1032.00	$253.59
47562 Removal of gallbladder using an endoscope	12	12	$1350.00	$618.46
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	12	11	$1342.00	$120.14
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$364.00	$183.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	110	85	$80.00	$69.11
99202 New patient office or other outpatient visit, typically 20 minutes	48	48	$90.00	$71.55
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	12	$71.25	$37.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$125.00	$89.35
45380 Biopsy of large bowel using an endoscope	13	13	$714.62	$151.58
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	11	11	$9.73	$5.54

Medical Specialties & State Licenses

CMS Verified: 2026-03-24

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License ID 4561673

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.

Surgery

NUCC Taxonomy Code: 208600000X

State License OR DO228162

Surgery

NUCC Taxonomy Code: 208600000X

State License MI 5101012308

Hospital & Practice Group Affiliations

Saint Alphonsus Regional Medical Center Inc

4402 E Flamingo Ave, Nampa, ID 836879203

Phone: 2082884520

Saint Alphonsus Regional Medical Center Inc

4400 E Flamingo Ave, Nampa, ID 836871128

Phone: 2083021035

Saint Alphonsus Regional Medical Center Inc

4300 E Flamingo Ave, Nampa, ID 836873138

Phone: 2082051000

Saint Alphonsus Regional Medical Center Inc

3025 W Cherry Ln, Meridian, ID 836428531

Saint Alphonsus Regional Medical Center Inc

4400 E Flamingo Ave, Nampa, ID 836879203

Secondary Practice Locations

1050 Sw 3rd Ave Ste 3201

Ontario, OR 979142193

Phone: 5418812330

1221 Sixth St Ste 300

Traverse City, MI 496842360

Phone: 2319352400

Practice Associates & Co-Workers

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

13 Associated Practitioners

Melissa West

Physician Assistant

NPI 1215660477

Dr. Forrest Fredline , DO

Surgery

NPI 1245493840

Doctor of Osteopathic Medicine (D.O.)

Dr. Richard Martin , MD

Surgery

NPI 1285698571

Doctor of Medicine (M.D.)

Michelle Vanhoof

Physician Assistant

NPI 1316585888

Chance Turner , PA

Physician Assistant

NPI 1366170847

Physician Assistant

Scott Rose , PA-C

Physician Assistant

NPI 1528762820

Physician Assistant (Certified)

Career & Practice History Timeline

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

11 Historical Events

📍

Updated Practice Location March 21, 2025

Registered at 4400 E FLAMINGO AVE STE 200, NAMPA, ID 836871128 (Tel: 2083022700)

📍

Updated Business Mailing Address March 21, 2025

Registered at PO BOX 190930, BOISE, ID 837190930 (Tel: 2083675170)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 21, 2025

Surgery (License #4561673 in ID)

📍

Updated Business Mailing Address May 21, 2020

Registered at 1221 SIXTH ST STE 300, TRAVERSE CITY, MI 496842360 (Tel: 2319352400)

📍

Updated Practice Location August 01, 2019

Registered at 1221 SIXTH ST STE 300, TRAVERSE CITY, MI 496842360 (Tel: 2319352400)

✅

NPI Profile Active January 13, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location January 13, 2011

Registered at 701 W FRONT ST, STE 200, TRAVERSE CITY, MI 496842236 (Tel: 2313464023)

📍

Updated Business Mailing Address January 13, 2011

Registered at 701 W FRONT ST, STE 200, TRAVERSE CITY, MI 496842236 (Tel: 2313464023)

👤

Provider Name / Credentials Updated January 13, 2011

Recorded as MICHAEL NIZZI, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 13, 2011

Surgery (License #5101012308 in MI)

🟢

Initial NPI Registration & Enumeration July 13, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1700802055

Entity Type:

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

Enumeration Date: July 13, 2006

Last Update: March 24, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 190930

Boise, ID 837190930

Phone: 2083675170

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.