John Johnston, MD
NPI 1306814801 · Family Medicine Physician · Meridian, MS
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Johnston, MD is a Family Medicine Physician provider in Meridian, MS (NPI 1306814801).
Provider details
- NPI number
- 1306814801
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 14986 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
807 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 420 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 189 | $111 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 92 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 61 | $165 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 45 | $126 |
Typical Medicare-allowed amounts for these services range $74–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 54 | — |
| Atorvastatin Calcium | 44 | 15 |
| Furosemide | 37 | 13 |
| Spironolactone | 29 | — |
| Losartan Potassium | 29 | 13 |
| Pantoprazole Sodium | 23 | 12 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-09
- Last updated
- 2023-05-12
- Certified
- 2023-05-12
Frequently asked questions
- What is John Johnston's NPI number?
- John Johnston's National Provider Identifier (NPI) is 1306814801, 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 1314 19th Ave, Meridian, MS 39301-4116.
- What is John Johnston's phone number?
- The practice phone number listed in the NPPES registry for John Johnston is (601) 703-4926.
- Does John Johnston accept Medicare?
- John Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Johnston's NPI active?
- Yes — John Johnston's NPI (1306814801) is active in the NPPES registry as of the last update on 2023-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.