Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John E Lammers, MD

Individual provider Internal Medicine Physician · NPI 1639128937

John E Lammers, MD is an Internal Medicine in Mobile, Alabama. Graduated from University of South Alabama College of Medicine in 1982, 44 years ago. Practices with USA Health Physician Billing Services LLC, a 340-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Alabama and Indiana.

Years since qualifying
44
Trained at
University of South Alabama College of Medicine
Licensed in
AL, IN
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2900 Spring Hill Ave
Mobile, AL 36607-1822
Phone: (251) 287-8420
Fax: (251) 287-8477
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2451 University Hospital Dr, Mobile, AL 36617-3661 — (251) 470-5890

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 11874 (AL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 11874 (AL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 01041213A (IN)
Hospice and Palliative Medicine (Internal Medicine) Physician Taxonomy 207RH0002X · Licence 11874 (AL)

Record details

NPI number1639128937
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2006
Last updated in NPPESDecember 23, 2021
Certification dateDecember 23, 2021
Mailing addressPo Box 746450, Atlanta, GA 30374-6450

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolUNIVERSITY OF SOUTH ALABAMA COLLEGE OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Usa Health Physician Billing Services Llc — 340 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Mobile