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

Dr. Mary Carleton Johnston, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1376034298

Dr. Mary Carleton Johnston, MD is an Obstetrics/Gynecology in Mobile, Alabama. Qualified in 2018, 8 years ago. Practices with Mobile Obstetrics and Gynecology PC, an 8-clinician group and accepts Medicare assignment. Licensed in Alabama.

Years since qualifying
8
Licensed in
AL
In the registry since
2018
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1720 Spring Hill Ave Ste 400
Mobile, AL 36604-1428
Phone: (251) 435-7700
Fax: (251) 435-7702
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 44776 (AL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Gynecology Physician Taxonomy 207VG0400X · Licence 44776 (AL)

Record details

NPI number1376034298
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 26, 2018
Last updated in NPPESJune 17, 2026
Certification dateJune 17, 2026

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Mobile Obstetrics And Gynecology Pc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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