John Jernigan, M.D.
NPI 1881635480 · Internal Medicine Physician · Montgomery, AL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Jernigan, M.D. is a Internal Medicine Physician provider in Montgomery, AL (NPI 1881635480).
Provider details
- NPI number
- 1881635480
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 00009475 (AL)
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
6,957 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 543 | $7 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 530 | $9 |
| Phosphate Level84100 | 398 | $5 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 396 | $125 |
| Magnesium Level83735 | 395 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 286 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 203 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 728 | 219 |
| Atorvastatin Calcium | 724 | 223 |
| Potassium Chloride | 552 | 192 |
| Metoprolol Succinate | 352 | 108 |
| Carvedilol | 344 | 105 |
| Alprazolam | 314 | 58 |
| Pantoprazole Sodium | 308 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,934 across 115 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
- 2006-06-08
- Last updated
- 2007-07-09
Frequently asked questions
- What is John Jernigan's NPI number?
- John Jernigan's National Provider Identifier (NPI) is 1881635480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Jernigan's specialty?
- John Jernigan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Jernigan located?
- John Jernigan's practice location on file with NPPES is 1301 Mulberry St, Montgomery, AL 36106-1132.
- What is John Jernigan's phone number?
- The practice phone number listed in the NPPES registry for John Jernigan is (334) 265-6153.
- Does John Jernigan accept Medicare?
- John Jernigan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Jernigan's NPI active?
- Yes — John Jernigan's NPI (1881635480) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.