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

John James McGlynn III, MD

Individual provider Undersea and Hyperbaric Medicine (Emergency Medicine) Physician · NPI 1508327529

John James McGlynn III, MD is an Undersea and Hyperbaric Medicine in Marietta, Georgia. Graduated from State University of Ny Upstate Medical University in 2019, 7 years ago. Practices with Hyperbaric Physicians of Georgia, Inc, an 8-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
7
Trained at
State University of Ny Upstate Medical University
Licensed in
GA
In the registry since
2019
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

61 Whitcher St NE Ste 2150
Marietta, GA 30060-1180
Phone: (770) 422-4268
Fax: (770) 422-2950
Show map & directions

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

Additional practice locations (2)

  • 250 Chastain Rd Nw Ste 210, Kennesaw, GA 30144-3214 — (770) 422-0517
  • 275 Michigan St Ne, Grand Rapids, MI 49503-2531 — (616) 391-5272

Specialties & licences

Undersea and Hyperbaric Medicine (Emergency Medicine) Physician (primary) Taxonomy 207PE0005X · Licence 104828 (GA)

Record details

NPI number1508327529
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2019
Last updated in NPPESMarch 23, 2026
Certification dateMarch 23, 2026

Medicare enrollment

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

Medicare specialtyUNDERSEA AND HYPERBARIC MEDICINE
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 2019 (7 years in practice)
Group practice Hyperbaric Physicians Of Georgia, Inc. — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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