Registry data as of Aug 27, 2026

John McGlynn, MD

Undersea and Hyperbaric Medicine (Emergency Medicine) Physician · Marietta, GA

John McGlynn, MD is an undersea and hyperbaric medicine (emergency medicine) physician with a practice address in Marietta, Georgia, and NPI 1508327529, issued on Mar 31, 2019. Check the license (Georgia 104828, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1508327529
Name
John McGlynn
Credential
MD
Primary taxonomy
Undersea and Hyperbaric Medicine (Emergency Medicine) Physician 207PE0005X
License number
104828 GA
Self-reported in NPPES; status is on the state search
Practice location
61 Whitcher St NE Ste 2150, Marietta, GA 30060
Phone
(770) 422-4268
Enumerated
Mar 31, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify John McGlynn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 104828
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Georgia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

68% fewer Medicare Part D claims than the average undersea and hyperbaric medicine (emergency medicine) physician in 2024

128 Medicare Part D claims for 77 beneficiaries, against an average of 405 among the 140 providers of this specialty who prescribed in Part D.

  1. John McGlynn128
  2. Specialty average405

Most prescribed

  1. Doxycycline Hyclate33 claims
  2. Cephalexin21 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's Medicare quality score for 2023: 86.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.9
  2. Costout of 100 · 30%41.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $126.61

5 payments, mostly food and beverage; the largest payer was Smith+Nephew, Inc.. The 83 providers of this specialty with any payment received $1,197.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John McGlynn$126.61
  2. Specialty average$1,197.29

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospital and facility affiliations

  1. Hyperbaric Physicians OF Georgia, Inc.Marietta, GA
  2. Spectrum Health HospitalsGrand Rapids, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Undersea and Hyperbaric Medicine (Emergency Medicine) Physician providers in Georgia

There are 4 undersea and hyperbaric medicine (emergency medicine) physician records in Georgia.

Other undersea and hyperbaric medicine (emergency medicine) physician records in Georgia

  1. Melanie Cooper, M.D.Gainesville, GA1669427316
  2. Jose Gomez, M.D.Calhoun, GA1447319975
  3. John Spence, M.D.Vidalia, GA1124034996

Common questions

What is John McGlynn, MD's NPI number?

John McGlynn, MD's National Provider Identifier (NPI) is 1508327529, issued on Mar 31, 2019. An NPI identifies a provider in billing; it is not a license.

Where is John McGlynn, MD located?

The NPPES record lists a practice address at 61 Whitcher St NE Ste 2150, Marietta, GA, 30060. Phone: (770) 422-4268. Providers update this record themselves, so call before visiting.

How can I verify John McGlynn, MD's license?

NPPES lists Georgia license number 104828, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John McGlynn, MD prescribe under Medicare Part D?

In 2024, John McGlynn, MD had 128 Medicare Part D claims for 77 beneficiaries; the average among undersea and hyperbaric medicine (emergency medicine) physician prescribers was 405. Part D covers Medicare prescriptions only.

What is John McGlynn, MD's Medicare quality score?

The 2023 MIPS final score is 86.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.