MARY A. JOHNSTON MD
NPI 1194952333
Obstetrics & Gynecology in Pensacola, FL

Active since June 15, 2009PECOS EnrolledAccepts Medicare Assignment
1657 TRINITY DR, PENSACOLA, FL 32504(850) 416-2400(850) 416-2330 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 7, 2026, Mar 27, 2025, Oct 21, 2019 and 1 more (4 updates tracked since 2019).

About Mary A. Johnston Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY A. JOHNSTON MD (NPI 1194952333) is an individual obstetrics & gynecology provider in Pensacola, Florida, licensed in Florida (ME140124) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Pensacola, and is a graduate of Pennsylvania State University College Of Medicine (2009).

NPPES Registry Identity

NPI1194952333
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARY A. JOHNSTONCredential: MD
Location Address1657 TRINITY DRPensacola, FL 32504-5708
Mailing Address2315 W Jackson StPensacola, FL 32505-7552 · (850) 436-4630 · Fax (850) 436-2095
Fax(850) 416-2330
Sole ProprietorNo
Medical School CMSPennsylvania State University College Of MedicineGraduated 2009
Enumeration DateJune 15, 2009
Last NPPES UpdateApril 7, 20264 updates tracked since enumeration
NPPES CertifiedApril 7, 2026
✔ NPI 1194952333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in FL · ME140124
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1657 TRINITY DR, Pensacola, FL 32504

Secondary Practice Location 1

Location 12315 W Jackson StPensacola, FL 32505-7552 · Phone (850) 436-4630 · Fax (850) 436-2095

Other Identifiers 2

Other9R5ATFL · Bcbs Fl
Medicaid104284400FL

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary A. Johnston Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830328962
PECOS Enrollment IDI20191011000157
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mary Johnston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Primary Care
5225 CARMEL HEIGHTS DR
Pensacola, FL 32504
  • Reassigned Medicare billing, Florida enrollment
  • 68 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
5375 N 9TH AVE
Pensacola, FL 32504
  • Reassigned Medicare billing, Florida enrollment
  • 61 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
1657 TRINITY DR
PENSACOLA, FL 32504
Nurse Practitioner (Family)
1657 TRINITY DR
PENSACOLA, FL 32504
Obstetrics & Gynecology
1657 TRINITY DR
PENSACOLA, FL 32504
Obstetrics & Gynecology
1657 TRINITY DR
PENSACOLA, FL 32504
Obstetrics & Gynecology
1657 TRINITY DR
PENSACOLA, FL 32504
Obstetrics & Gynecology
1657 TRINITY DR
PENSACOLA, FL 32504
Obstetrics & Gynecology
1657 TRINITY DR
PENSACOLA, FL 32504
Obstetrics & Gynecology
1657 TRINITY DR
PENSACOLA, FL 32504

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Johnston's NPI number?

The NPI number for Mary Johnston is 1194952333. It was assigned to this individual provider in the NPPES registry on June 15, 2009.

Where is Mary Johnston located?

Mary Johnston practices at 1657 Trinity Dr, Pensacola, FL 32504. The listed phone number is (850) 416-2400.

What is Mary Johnston's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mary Johnston enrolled in Medicare?

Yes. Mary Johnston is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mary Johnston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Johnston reassigns Medicare benefits to 2 organizations: Sacred Heart Health System, Inc. (Pensacola, FL) and Escambia Community Clinics Inc (Pensacola, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Johnston accept?

Health plans from Ambetter Health, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Molina Healthcare and 1 other insurer list Mary Johnston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Johnston was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.