Walter Johnston
NPI 1215163498 · Family Nurse Practitioner · Sikeston, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Walter Johnston is a Family Nurse Practitioner provider in Sikeston, MO (NPI 1215163498).
Provider details
- NPI number
- 1215163498
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 2002018631 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 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 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 173 | 29 |
| Amlodipine Besylate | 171 | 27 |
| Lisinopril | 148 | 26 |
| Pantoprazole Sodium | 113 | 16 |
| Hydrochlorothiazide | 106 | 18 |
| Montelukast Sodium | 102 | 15 |
| Omeprazole | 100 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$177 across 13 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
- 2009-06-02
- Last updated
- 2014-04-01
Frequently asked questions
- What is Walter Johnston's NPI number?
- Walter Johnston's National Provider Identifier (NPI) is 1215163498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Johnston's specialty?
- Walter Johnston is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Walter Johnston located?
- Walter Johnston's practice location on file with NPPES is 1008 N Main St, Sikeston, MO 63801-5044.
- What is Walter Johnston's phone number?
- The practice phone number listed in the NPPES registry for Walter Johnston is (573) 472-6003.
- Does Walter Johnston accept Medicare?
- Walter Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Walter Johnston's NPI active?
- Yes — Walter Johnston's NPI (1215163498) is active in the NPPES registry as of the last update on 2014-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.