Margarita Johnston, MD
NPI 1306897137 · Urology Physician · Ennis, TX
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margarita Johnston, MD is a Urology Physician provider in Ennis, TX (NPI 1306897137).
Provider details
- NPI number
- 1306897137
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- P0747 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,190 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Automated Urinalysis Test81003 | 238 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 191 | $124 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 186 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 135 | $88 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 123 | $55 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 326 | 109 |
| Estradiol | 175 | 79 |
| Mirabegronbrand: Myrbetriq | 136 | 43 |
| Finasteride | 105 | 38 |
| Ciprofloxacin Hcl | 94 | 82 |
| Testosterone Cypionate | 92 | 28 |
| Vibegronbrand: Gemtesa | 73 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,059 across 57 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2026-04-06
- Certified
- 2026-04-06
Frequently asked questions
- What is Margarita Johnston's NPI number?
- Margarita Johnston's National Provider Identifier (NPI) is 1306897137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margarita Johnston's specialty?
- Margarita Johnston is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Margarita Johnston located?
- Margarita Johnston's practice location on file with NPPES is 206 S Clay St Ste a, Ennis, TX 75119-4530.
- What is Margarita Johnston's phone number?
- The practice phone number listed in the NPPES registry for Margarita Johnston is (903) 229-4292.
- Does Margarita Johnston accept Medicare?
- Margarita Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margarita Johnston's NPI active?
- Yes — Margarita Johnston's NPI (1306897137) is active in the NPPES registry as of the last update on 2026-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.