NPPES file of Aug 9, 2026

Ryan Christopher Ferguson, DO

Emergency Medicine Physician · Marietta, GA

Ryan Christopher Ferguson, DO is an emergency medicine physician with a practice address in Marietta, Georgia, and NPI 1568049898, issued on Mar 24, 2021. Check the license (Georgia 99770, 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
1568049898
Name
Ryan Christopher Ferguson
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
99770 GA
Self-reported in NPPES; status is on the state search
Practice location
677 Church St., Marietta, GA 30060
Phone
(770) 793-5000
Enumerated
Mar 24, 2021
Record last updated
Jul 29, 2024
Medicare enrollment
Enrolled (PECOS I20240731000145); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 677 Church St.

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

  1. Joseph Bergeron, MDCytopathology Physician1518194802

Verify Ryan Christopher Ferguson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 99770
    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

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45% fewer Medicare Part D claims than the average emergency medicine physician in 2024

124 Medicare Part D claims for 87 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 11 claims were for opioids.

  1. Ryan Ferguson124
  2. Specialty average226

Most prescribed

  1. Cephalexin22 claims
  2. Ondansetron Odt13 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.

Bills Medicare through one group practice

  1. Allatoona Emergency Group PCCartersville, GA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ryan Christopher Ferguson among 1,685 emergency medicine physician records in Georgia

Ryan Christopher Ferguson, DO is one of 1,685 emergency medicine physician records with a practice address in Georgia. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.

  • NPI issued2021 · 88% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2021 · median 2011 among the 954 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Georgia

There are 1,685 emergency medicine physician records in Georgia.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Steven Benatar, MDMarietta, GA 300601336643717
  2. Joshua Davis, M.D.Marietta, GA 300601821297177
  3. Ricky Doshi, MDMarietta, GA 300601124522339
  4. Joshua Hall, DOMarietta, GA 300601235634585
  5. Nicole Nemore, MD, MAMarietta, GA 300601871097816
  6. Marvin Nix, MDMarietta, GA 300601285746503
  7. Christopher Orf, MDMarietta, GA 300601215431325
  8. William Richardson, MDMarietta, GA 300601083712822

Common questions

What is Ryan Christopher Ferguson, DO's NPI number?

Ryan Christopher Ferguson, DO's National Provider Identifier (NPI) is 1568049898, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Christopher Ferguson, DO located?

The NPPES record lists a practice address at 677 Church St., Marietta, GA, 30060. Phone: (770) 793-5000. Providers update this record themselves, so call before visiting.

How can I verify Ryan Christopher Ferguson, DO's license?

NPPES lists Georgia license number 99770, 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 Ryan Christopher Ferguson, DO prescribe under Medicare Part D?

In 2024, Ryan Christopher Ferguson, DO had 124 Medicare Part D claims for 87 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.