John Diehl, MD
Emergency Medicine Physician · Atlanta, GA
John Diehl, MD is an emergency medicine physician with a practice address in Atlanta, Georgia, and NPI 1962905737, issued on Mar 17, 2018. Check the license (Georgia 87926, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Diehl
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 87926 GA
Self-reported in NPPES; status is on the state search - Practice location
- 49 Jesse Hill JR Dr SE, Atlanta, GA 30303
- Phone
- (404) 778-7777
- Enumerated
- Mar 17, 2018
- Record last updated
- Apr 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20220926003793); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,685 in Georgia → Look up another NPI →
Also registered at 49 Jesse Hill JR Dr SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amulya AgrawalStudent in an Organized Health Care Education/Training Program1295304673
Verify John Diehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 87926Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average emergency medicine physician in 2024
168 Medicare Part D claims for 100 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Ibuprofen17 claims
- Oxycodone Hcl16 claims
- Cyclobenzaprine Hcl11 claims
- Prednisone11 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 MIPS final score for 2023 (Medicare payment program): 92.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Emory Medical Care Foundation IncAtlanta, GA
- The Emory Clinic IncAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Diehl among 1,685 emergency medicine physician records in Georgia
John Diehl, MD 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 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2018 · median 2011 among the 954 with a school on file
- Record last updated2022 · 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).
465 emergency medicine physician records list a practice address in Atlanta
They are 465 of the 31,476 NPPES records with a practice address in Atlanta, and 1,685 emergency medicine physician records in Georgia.
All 1,685 in Georgia → Every provider in Atlanta → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Douglas AnderAtlanta, GA 303031184643652
- Patricia Baines, MDAtlanta, GA 303031992738389
- Timothy Davis, MDAtlanta, GA 303031568480762
- Katherine Heilpern, MDAtlanta, GA 303031477586881
- Sheryl Heron, MDAtlanta, GA 303031326073651
- John Hill, M.D.Atlanta, GA 303031649299207
- Benjamin Holton, MDAtlanta, GA 303031891709044
- Debra Houry, MDAtlanta, GA 303031659394757
Common questions
What is John Diehl, MD's NPI number?
John Diehl, MD's National Provider Identifier (NPI) is 1962905737, issued on Mar 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Diehl, MD located?
The NPPES record lists a practice address at 49 Jesse Hill JR Dr SE, Atlanta, GA, 30303. Phone: (404) 778-7777. Providers update this record themselves, so call before visiting.
How can I verify John Diehl, MD's license?
NPPES lists Georgia license number 87926, 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 Diehl, MD prescribe under Medicare Part D?
In 2024, John Diehl, MD had 168 Medicare Part D claims for 100 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is John Diehl, MD's MIPS final score?
The 2023 MIPS final score is 92.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.