NPPES file of Aug 9, 2026

John D. Grattan-Smith, MD

Diagnostic Radiology Physician · Marietta, GA

John D. Grattan-Smith, MD is a diagnostic radiology physician with a practice address in Marietta, Georgia, and NPI 1548234933, issued on Feb 14, 2006. Check the license (Georgia 038237, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548234933
Name
John D. Grattan-Smith
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
038237 GA
61912 TN
Self-reported in NPPES; status is on the state search
Practice location
790 Church St NE Ste 400, Marietta, GA 30060
Phone
(770) 405-2976
Enumerated
Feb 14, 2006
Record last updated
Jul 30, 2026
Fax
(770) 988-0730
Medicaid ID
000615733 GA
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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Also registered at 790 Church St NE Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kerri Agee, PAPhysician Assistant1417789637
  2. Alkesh Amin, M.D.Diagnostic Radiology Physician1114242930
  3. Eric Beltz, M.D.Diagnostic Radiology Physician1568648889
  4. Ashley BlanchardDiagnostic Radiology Physician1144718115
  5. Andrew Bosserman, M.D.Diagnostic Radiology Physician1184018335
  6. Erin Brandow, PAPhysician Assistant1053617498

Verify John D. Grattan-Smith in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 038237
    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.

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Industry payments in 2024: $17.50

1 payment: food and beverage; the largest payer was Philips North America LLC. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Grattan-Smith$17.50
  2. Specialty average$2,488.38

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

John D. Grattan-Smith among 1,065 diagnostic radiology physician records in Georgia

John D. Grattan-Smith, MD is one of 1,065 diagnostic radiology physician records with a practice address in Georgia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 47% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

97 diagnostic radiology physician records list a practice address in Marietta

They are 97 of the 6,900 NPPES records with a practice address in Marietta, and 1,065 diagnostic radiology physician records in Georgia.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Joseph Armistead, MDMarietta, GA 300601851365654
  2. Steven Brantley, MDMarietta, GA 300601972577781
  3. Jay Cinnamon, MDMarietta, GA 300601194791491
  4. Michael Collins, MDMarietta, GA 300601386633238
  5. Jaydip Datta, MDMarietta, GA 300601730155854
  6. Kevin Early, MDMarietta, GA 300601245206549
  7. John Gira, MDMarietta, GA 300601861468175
  8. Brian Gordon, MDMarietta, GA 300601083680326

Common questions

What is John D. Grattan-Smith, MD's NPI number?

John D. Grattan-Smith, MD's National Provider Identifier (NPI) is 1548234933, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John D. Grattan-Smith, MD located?

The NPPES record lists a practice address at 790 Church St NE Ste 400, Marietta, GA, 30060. Phone: (770) 405-2976. Providers update this record themselves, so call before visiting.

How can I verify John D. Grattan-Smith, MD's license?

NPPES lists Georgia license number 038237, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.