John Chennault, D.O.
NPI 1013945070 · Family Medicine Physician · Caldwell, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Chennault, D.O. is a Family Medicine Physician provider in Caldwell, TX (NPI 1013945070).
Provider details
- NPI number
- 1013945070
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- H4233 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,627 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 410 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 374 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 242 | $123 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 207 | $121 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 112 | $14 |
| Administration of Influenza Virus VaccineG0008 | 56 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 165 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 625 | 179 |
| Levothyroxine Sodium | 389 | 113 |
| Amlodipine Besylate | 374 | 99 |
| Lisinopril | 348 | 104 |
| Pantoprazole Sodium | 290 | 94 |
| Gabapentin | 271 | 95 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is John Chennault's NPI number?
- John Chennault's National Provider Identifier (NPI) is 1013945070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chennault's specialty?
- John Chennault is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Chennault located?
- John Chennault's practice location on file with NPPES is 1010 Woodson Dr, Caldwell, TX 77836-1000.
- What is John Chennault's phone number?
- The practice phone number listed in the NPPES registry for John Chennault is (979) 567-4900.
- Does John Chennault accept Medicare?
- John Chennault is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Chennault's NPI active?
- Yes — John Chennault's NPI (1013945070) is active in the NPPES registry as of the last update on 2021-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.