Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Mary A. Johnston, MD

Sees patients in Pensacola, FL · Florida

Summary

Mary A. Johnston, MD (Obstetrics/Gynecology) is enrolled with Medicare at 1 practice location in Pensacola, FL. NPI 1194952333. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary A. Johnston, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
Pennsylvania State University College Of MedicineMedical school
FemaleGender (as listed)
Sacred Heart Health System IncGroup practice

Quick answers

Where does Mary A. Johnston see patients?
Medicare's clinician data lists 1 practice location in Pensacola, FL. Call before your visit to confirm the address.
What is Mary A. Johnston's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Mary A. Johnston accept Medicare assignment?
Yes. Medicare's clinician data says Mary A. Johnston 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 Mary A. Johnston?
(850) 416-2400, as listed in official Medicare / NPI Registry data.
What is Mary A. Johnston's NPI number?
1194952333. 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 Mary A. Johnston is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mary A. Johnston as a member of this group (CMS data updated 2026-10-02).

  • Sacred Heart Health System Inc389 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Florida →

Other OB-GYNs in Pensacola

Clinicians with the same Medicare primary specialty in Pensacola, FL — not a recommendation.

All OB-GYNs in Pensacola →

Clinician information

CredentialMD
Medical schoolPennsylvania State University College Of Medicine
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194952333
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians