Quick answers
- Where does John E. Lammers see patients?
- Medicare's clinician data lists 2 practice locations, including Mobile, AL. Call before your visit to confirm the address.
- What is John E. Lammers's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
- Does John E. Lammers accept Medicare assignment?
- Yes. Medicare's clinician data says John E. Lammers accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John E. Lammers?
- (251) 660-5555, as listed in official Medicare / NPI Registry data.
- What is John E. Lammers's NPI number?
- 1639128937. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John E. Lammers is enrolled with Medicare (CMS data updated 2026-10-02).
- 2451 University Hospital DrMobile, AL 36617
- 75 S University Blvd, Unit 6000Mobile, AL 36608 (251) 660‑5555
Group practices
Medicare enrollment lists John E. Lammers as a member of this group (CMS data updated 2026-10-02).
- USA Health Physician Billing Services LLC339 clinicians in the group
Specialties
- Internal Medicineprimary
- Geriatric Medicinealso
Other internal medicine doctors in Mobile
Clinicians with the same Medicare primary specialty in Mobile, AL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Alabama College Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639128937 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians