Lewis Johnston, M.D.
NPI 1700896263 · Family Medicine Physician · Madison, MS
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lewis Johnston, M.D. is a Family Medicine Physician provider in Madison, MS (NPI 1700896263).
Provider details
- NPI number
- 1700896263
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 15001 (MS)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,467 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 885 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 785 | $116 |
| Automated Urinalysis Test81003 | 620 | $2 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 577 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 551 | $82 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 519 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 182 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 738 | 206 |
| Metoprolol Succinate | 584 | 158 |
| Amlodipine Besylate | 496 | 135 |
| Rosuvastatin Calcium | 441 | 133 |
| Atorvastatin Calcium | 440 | 133 |
| Gabapentin | 388 | 114 |
| Meloxicam | 377 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,704 across 134 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
Additional practice locations (1)
- 401 Baptist DrSuite 104Madison, MS 39110-2009Phone: (601) 605-3858Fax: (601) 605-3898
Registry dates
- Enumerated
- 2006-08-08
- Last updated
- 2018-03-17
Frequently asked questions
- What is Lewis Johnston's NPI number?
- Lewis Johnston's National Provider Identifier (NPI) is 1700896263, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lewis Johnston's specialty?
- Lewis Johnston is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lewis Johnston located?
- Lewis Johnston's practice location on file with NPPES is 2173 Main St, Madison, MS 39110-6309.
- What is Lewis Johnston's phone number?
- The practice phone number listed in the NPPES registry for Lewis Johnston is (601) 605-3858.
- Does Lewis Johnston accept Medicare?
- Lewis Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lewis Johnston's NPI active?
- Yes — Lewis Johnston's NPI (1700896263) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.