John Johnston, MD
NPI 1477547651 · Family Medicine Physician · Webster, TX
John Johnston, MD is a Family Medicine Physician provider in Webster, TX (NPI 1477547651).
Provider details
- NPI number
- 1477547651
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- H5457 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 56 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 51 | — |
| Azithromycin | 47 | 37 |
| Amlodipine Besylate | 46 | 17 |
| Tramadol Hcl | 45 | — |
| Gabapentin | 44 | — |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$284 across 15 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
- 2005-09-02
- Last updated
- 2016-01-14
Frequently asked questions
- What is John Johnston's NPI number?
- John Johnston's National Provider Identifier (NPI) is 1477547651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Johnston's specialty?
- John Johnston is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Johnston located?
- John Johnston's practice location on file with NPPES is 250 Blossom St, Webster, TX 77598-4204.
- What is John Johnston's phone number?
- The practice phone number listed in the NPPES registry for John Johnston is (281) 724-0190.
- Is John Johnston's NPI active?
- Yes — John Johnston's NPI (1477547651) is active in the NPPES registry as of the last update on 2016-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.