John Stewart Herndon, MD
Gastroenterology Physician · Birmingham, AL
John Stewart Herndon, MD is a gastroenterology physician with a practice address in Birmingham, Alabama, and NPI 1770080400, issued on Apr 9, 2018. Check the license (Alabama MD.38885, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Stewart Herndon
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD.38885 AL
Self-reported in NPPES; status is on the state search - Practice location
- 1 Independence Plaza, Birmingham, AL 35209
- Phone
- (205) 271-8000
- Enumerated
- Apr 9, 2018
- Record last updated
- Oct 10, 2024
- Fax
- (205) 271-8050
- Medicare enrollment
- Enrolled (PECOS I20240510001797); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 232 in Alabama → Look up another NPI →
Also registered at 1 Independence Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachael Abroms, PAPhysician Assistant1093326613
- John Anderson, CRNACertified Registered Nurse Anesthetist1326011719
- Candace Arnold, CRNPFamily Nurse Practitioner1881961365
- Charlai Breeding, PAPhysician Assistant1477262954
- Landon Brown, MDGastroenterology Physician1992118509
- Callie Clark, NPNurse Practitioner1487114484
Verify John Stewart Herndon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license MD.38885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average gastroenterology physician in 2024
83 Medicare Part D claims for 43 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Ondansetron Hcl13 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.
Industry payments in 2024: $466.62
12 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Birmingham Gastroenterology Associates PCBirmingham, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Stewart Herndon among 232 gastroenterology physician records in Alabama
John Stewart Herndon, MD is one of 232 gastroenterology physician records with a practice address in Alabama. 88% 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 93% of them.
- NPI issued2018 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2018 · median 2000 among the 161 with a school on file
- Record last updated2024 · 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 207RG0100X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Alabama
There are 232 gastroenterology physician records in Alabama.
All 232 in Alabama → Every provider in Birmingham → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Brent Barranco, M.D.Birmingham, AL 352091518900919
- Charles Bluhm, MDBirmingham, AL 352091306822705
- Willard Carlisle, MDBirmingham, AL 352091275517377
- Gregory Champion, M.D.Birmingham, AL 352091497798995
- Joseph Cochran, MDBirmingham, AL 352091386628428
- William Denton, M.D.Birmingham, AL 352091578506044
- Douglas Dickinson, MDBirmingham, AL 352091285686915
- William Halama, M.D.Birmingham, AL 352091477591071
Common questions
What is John Stewart Herndon, MD's NPI number?
John Stewart Herndon, MD's National Provider Identifier (NPI) is 1770080400, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Stewart Herndon, MD located?
The NPPES record lists a practice address at 1 Independence Plaza, Birmingham, AL, 35209. Phone: (205) 271-8000. Providers update this record themselves, so call before visiting.
How can I verify John Stewart Herndon, MD's license?
NPPES lists Alabama license number MD.38885, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Stewart Herndon, MD prescribe under Medicare Part D?
In 2024, John Stewart Herndon, MD had 83 Medicare Part D claims for 43 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.