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Active NPI 1396064481 Individual Practitioner Male Practitioner

Dr. John T Gantomasso , DO

Anesthesiology • Macon, GA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Gantomasso, DO is a certified Anesthesiology practicing in Macon, GA. With approximately 16 years of clinical experience since completing medical education in 2010, Dr. Gantomasso delivers high-quality medical care to the local community at 777 HEMLOCK ST.

Dr. Gantomasso maintains professional affiliations with Medstream Anesthesia Pllc, Hospitalist Medicine Physicians Of Georgia - Tcs, Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve), injection of anesthetic agent, brachial (arm) nerve bundle, ultrasonic guidance imaging supervision and interpretation for insertion of needle. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

777 Hemlock St

Macon, GA 312012102

Telephone 4786332147
Fax 4787429670
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2010

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Macon, GA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
16 Yrs -10.2 yrs vs City Avg
City Avg: 26.2 Yrs
State Avg: 25.9 Yrs
Regional Practice Density
47 Specialists

Practicing in Macon, GA (1464 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
92.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gantomasso (16 Years) 16 Yrs
Macon Specialty Average (26.2 Years) 26.2 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
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)
16 16 $716.00 $59.01
64415 Injection of anesthetic agent, brachial (arm) nerve bundle
12 12 $917.00 $65.19

Medical Specialties & State Licenses

CMS Verified: 2026-07-20
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License PA OS017509

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License LA 336060

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License GA 076027

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology - Pediatric Anesthesiology

NUCC Taxonomy Code: 207LP3000X

State License LA 336060

An anesthesiologist who has had additional skill and experience in and is primarily concerned with the anesthesia, sedation, and pain management needs of infants and children. A pediatric anesthesiologist generally provides services including the evaluation of complex medical problems in infants and children when surgery is necessary, planning and care for children before and after surgery, pain control, anesthesia and sedation for any procedures out of the operating room such as MRI, CT scan, and radiation therapy.

Hospital & Practice Group Affiliations

Medstream Anesthesia Pllc

300 Singleton Ridge Rd, Conway, SC 295269142

Phone: 8433477111

Hospitalist Medicine Physicians Of Georgia - Tcs, Pc

710 Ctr St, Columbus, GA 319011527

Phone: 7065711000

Secondary Practice Locations

1514 Jefferson Hwy

New Orleans, LA 701212429

Phone: 5048423755

4801 Ambassador Caffery Pkwy

Lafayette, LA 705086917

Phone: 3374702574

Practice Associates & Co-Workers

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

11 Associated Practitioners
Lauren Gochenaur , CRNA

Nurse Anesthetist, Certified Registered

NPI 1235684044

Certified Registered Nurse Anesthetist

Michael Bryant , CRNA

Registered Nurse

NPI 1376556423

Certified Registered Nurse Anesthetist

Breanne Torres , CRNA

Nurse Anesthetist, Certified Registered

NPI 1437525656

Certified Registered Nurse Anesthetist

Lindsey Wynne , CRNA

Nurse Anesthetist, Certified Registered

NPI 1497260574

Certified Registered Nurse Anesthetist

Charles Winter , CAA

Anesthesiologist Assistant

NPI 1568913903
Robert Deiler

Anesthesiologist Assistant

NPI 1578912507

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 22, 2023

Anesthesiology (License #336060 in LA)

NPI Profile Active August 17, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location August 17, 2016

Registered at 777 HEMLOCK ST, MACON, GA 312012102 (Tel: 4786332147)

📍
Updated Business Mailing Address August 17, 2016

Registered at PO BOX 551420, FORT LAUDERDALE, FL 333551420 (Tel: 8002433839)

👤
Provider Name / Credentials Updated August 17, 2016

Recorded as JOHN GANTOMASSO, DO

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 17, 2016

Anesthesiology (License #076027 in GA)

🟢
Initial NPI Registration & Enumeration May 27, 2010

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: 1396064481
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 27, 2010
Last Update: July 20, 2026
Sole Proprietor: No

Mailing Address

Po Box 551420

Fort Lauderdale, FL 333551420

Phone: 8002433839

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.