John Martin McMahon, M.D.
Emergency Medicine Physician · Mobile, AL
John Martin McMahon, M.D. is an emergency medicine physician with a practice address in Mobile, Alabama, and NPI 1639126741, issued on May 27, 2006. Check the license (Alabama 13833, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Martin McMahon
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 13833 AL
Self-reported in NPPES; status is on the state search - Practice location
- 3719 Dauphin St, Mobile, AL 36608
- Phone
- (251) 460-5333
- Enumerated
- May 27, 2006
- Record last updated
- Oct 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (251) 460-5295
- Medicaid ID
- 000086320559400060 AL
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 678 in Alabama → Look up another NPI →
Also registered at 3719 Dauphin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jorge Alsip, MDEmergency Medicine Physician1326143249
- Ruby Amys, CRNAStudent in an Organized Health Care Education/Training Program1629953609
- Sherri Arledge, MDHematology & Oncology Physician1881805406
- James Atchison, CRNACertified Registered Nurse Anesthetist1699652826
- Alan Babcock, M.D.Emergency Medicine Physician1225297286
- Donna Ballard, MDEmergency Medicine Physician1649375569
Verify John Martin McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 13833Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $140.88
2 payments; by number, the most common kind was food and beverage; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 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.
John Martin McMahon among 678 emergency medicine physician records in Alabama
John Martin McMahon, M.D. is one of 678 emergency medicine physician records with a practice address in Alabama. 84% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2010 · 53% 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 Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
78 emergency medicine physician records list a practice address in Mobile
They are 78 of the 6,309 NPPES records with a practice address in Mobile, and 678 emergency medicine physician records in Alabama.
All 678 in Alabama → Every provider in Mobile → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jorge Alsip, MDMobile, AL 366081326143249
- Alan Babcock, M.D.Mobile, AL 366081225297286
- Donna Ballard, MDMobile, AL 366081649375569
- Richard Beverly, M.D.Mobile, AL 366081740236850
- Michael Bindon, MDMobile, AL 366081578777884
- Christopher Cartmill, MDMobile, AL 366081780125021
- John Jacobs, M.D.Mobile, AL 366081063673325
- Richard Oyler, MDMobile, AL 366081013012657
Common questions
What is John Martin McMahon, M.D.'s NPI number?
John Martin McMahon, M.D.'s National Provider Identifier (NPI) is 1639126741, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Martin McMahon, M.D. located?
The NPPES record lists a practice address at 3719 Dauphin St, Mobile, AL, 36608. Phone: (251) 460-5333. Providers update this record themselves, so call before visiting.
How can I verify John Martin McMahon, M.D.'s license?
NPPES lists Alabama license number 13833, 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.
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.