Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John T Gantomasso, DO

Individual provider Anesthesiology Physician · NPI 1396064481

Dr. John T Gantomasso, DO is an Anesthesiology in Macon, Georgia. Qualified in 2010, 16 years ago. Practices with Medstream Anesthesia PLLC, a 577-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Georgia, Louisiana and Pennsylvania.

Years since qualifying
16
Licensed in
GA, LA, PA
In the registry since
2010
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

777 Hemlock St
Macon, GA 31201-2102
Phone: (478) 633-2147
Fax: (478) 742-9670
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 4801 Ambassador Caffery Pkwy, Lafayette, LA 70508-6917 — (337) 470-2574
  • 1514 Jefferson Hwy, New Orleans, LA 70121-2429 — (504) 842-3755

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence OS017509 (PA)
Anesthesiology Physician Taxonomy 207L00000X · Licence 336060 (LA)
Anesthesiology Physician Taxonomy 207L00000X · Licence 076027 (GA)
Pediatric Anesthesiology Physician Taxonomy 207LP3000X · Licence 336060 (LA)

Record details

NPI number1396064481
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 27, 2010
Last updated in NPPESJuly 20, 2026
Certification dateJuly 20, 2026
Mailing addressPo Box 551420, Fort Lauderdale, FL 33355-1420

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Medstream Anesthesia Pllc — 577 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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