JOHN JAMES MCGLYNN III MD
NPI 1508327529
Emergency Medicine - Undersea and Hyperbaric Medicine in Marietta, GA

Active since March 31, 2019PECOS EnrolledAccepts Medicare Assignment
86.44/100
CMS Quality Rating
61 WHITCHER ST NE STE 2150, MARIETTA, GA 30060(770) 422-4268(770) 422-2950 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 23, 2026, Jun 1, 2023, Jul 12, 2019 (3 updates tracked since 2019).

About John James Mcglynn Iii Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN JAMES MCGLYNN III MD (NPI 1508327529) is an individual undersea and hyperbaric medicine provider in Marietta, Georgia, licensed in Georgia (104828) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Wellstar Kennestone Regional Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1508327529
Entity TypeIndividualMale
Primary Taxonomy207PE0005X
Provider Legal NameJOHN JAMES MCGLYNN IIICredential: MD
Location Address61 WHITCHER ST NE STE 2150Marietta, GA 30060-1180
Mailing Address250 Chastain Rd Nw Ste 210Kennesaw, GA 30144-3214 · (770) 422-0517 · Fax (678) 638-7015
Fax(770) 422-2950
Sole ProprietorNo
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 2019
Enumeration DateMarch 31, 2019
Last NPPES UpdateMarch 23, 20263 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
NPI 1508327529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency Medicine · Undersea and Hyperbaric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207PE0005X
License Licensed in GA · 104828
Definition

A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns, and bone infections. This specialist also serves as a consultant to other physicians in all aspects of hyperbaric chamber operations, and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.

61 WHITCHER ST NE STE 2150, Marietta, GA 30060

Secondary Practice Locations 2

Location 1250 Chastain Rd NW Ste 210Kennesaw, GA 30144-3214 · Phone (770) 422-0517 ext. 225 · Fax (678) 638-7015
Location 2275 Michigan St NEGrand Rapids, MI 49503-2531 · Phone (616) 391-5272 · Fax (616) 391-9010

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John James Mcglynn Iii Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709261902
PECOS Enrollment IDI20230629001813, I20250619001636
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Management of oxygen chamber therapy 99183
Oxygen chamber therapy involves breathing pure oxygen in a pressurized room or tube. It's used to treat various conditions like wounds that won't heal due to diabetes or radiation injury. In this therapy, your body's tissues get more oxygen to promote healing and fight infection.
196 services16 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
185 services104 patients
Removal of tissue from wound, 20.0 sq cm or less 97597
This procedure involves the careful removal of damaged or infected tissue from a wound that's 20.0 square cm or less. It's done to promote healing and prevent further infection. The process is carried out under local anesthesia, ensuring minimal discomfort.
119 services62 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
102 services74 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
43 services42 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
26 services26 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wellstar Kennestone Regional Medical Center

Acute Care Hospitals · Marietta, GA
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110035
Location677 Church StreetMarietta, GA 30060 · Cobb County
Emergency services Birthing friendly

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30060 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.93
Promoting Interoperability100
Improvement Activities40
Cost41.91

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508327529, enumerated as an "individual" on March 31, 2019.

The provider is located at 61 WHITCHER ST NE STE 2150 MARIETTA, GA 30060 and the phone number is (770) 422-4268.

Emergency Medicine with taxonomy code 207PE0005X and a focus in Undersea and Hyperbaric Medicine.

John Mcglynn is affiliated with: WELLSTAR KENNESTONE REGIONAL MEDICAL CENTER and SPECTRUM HEALTH.