John-Ryan Griffin McAnnally, M.D.
Emergency Medicine Physician · Chattanooga, TN
John-Ryan Griffin McAnnally, M.D. is an emergency medicine physician with a practice address in Chattanooga, Tennessee, and NPI 1194082610, issued on Apr 22, 2012. Check the license (Tennessee 52430, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John-Ryan Griffin McAnnally
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 52430 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1751 Gunbarrel RD, Chattanooga, TN 37421
- Phone
- (423) 778-8700
- Enumerated
- Apr 22, 2012
- Record last updated
- Jun 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150528000723); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,174 in Tennessee → Look up another NPI →
Also registered at 1751 Gunbarrel RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carol Adams, MDObstetrics & Gynecology Physician1558346379
- James Bolton, MDObstetrics & Gynecology Physician1487644050
- Leigh Faerber, RN, CNMAdvanced Practice Midwife1851477616
- Tiffany Few, MDObstetrics & Gynecology Physician1659355923
- Laurena Glass, NPNurse Practitioner1932434818
- Donna Hobgood, MDObstetrics & Gynecology Physician1881684561
Verify John-Ryan Griffin McAnnally in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 52430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% more Medicare Part D claims than the average emergency medicine physician in 2024
433 Medicare Part D claims for 267 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 68 claims were for opioids.
Most prescribed
- Cefdinir37 claims
- Oxycodone-Acetaminophen37 claims
- Amoxicillin-Clavulanate Potass33 claims
- Ondansetron Odt32 claims
- Hydrocodone-Acetaminophen27 claims
- Methocarbamol25 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
- Tennessee River Physicians, PLLCChattanooga, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John-Ryan Griffin McAnnally among 1,174 emergency medicine physician records in Tennessee
John-Ryan Griffin McAnnally, M.D. is one of 1,174 emergency medicine physician records with a practice address in Tennessee. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.
- NPI issued2012 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2012 · median 2012 among the 667 with a school on file
- Record last updated2015 · 57% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
112 emergency medicine physician records list a practice address in Chattanooga
They are 112 of the 7,377 NPPES records with a practice address in Chattanooga, and 1,174 emergency medicine physician records in Tennessee.
All 1,174 in Tennessee → Every provider in Chattanooga → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Clint Christensen, MDChattanooga, TN 374211013276039
- Carlos Cruz, MDChattanooga, TN 374211619918851
- Jocelyn De Guzman, M.D.Chattanooga, TN 374211033318670
- Nia Foderingham, MDChattanooga, TN 374211952580599
- Betty Husband, M.D.Chattanooga, TN 374211588610125
- Charles MeyerChattanooga, TN 374211801155924
- Soheil Nandwani, M.D.Chattanooga, TN 374211689023137
- Brian Reuhland, M.D.Chattanooga, TN 374211609119270
Common questions
What is John-Ryan Griffin McAnnally, M.D.'s NPI number?
John-Ryan Griffin McAnnally, M.D.'s National Provider Identifier (NPI) is 1194082610, issued on Apr 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John-Ryan Griffin McAnnally, M.D. located?
The NPPES record lists a practice address at 1751 Gunbarrel RD, Chattanooga, TN, 37421. Phone: (423) 778-8700. Providers update this record themselves, so call before visiting.
How can I verify John-Ryan Griffin McAnnally, M.D.'s license?
NPPES lists Tennessee license number 52430, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John-Ryan Griffin McAnnally, M.D. prescribe under Medicare Part D?
In 2024, John-Ryan Griffin McAnnally, M.D. had 433 Medicare Part D claims for 267 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.