John Carroll, MD
NPI 1992792881 · Geriatric Medicine (Family Medicine) Physician · Corpus Christi, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Carroll, MD is a Geriatric Medicine (Family Medicine) Physician provider in Corpus Christi, TX (NPI 1992792881).
Provider details
- NPI number
- 1992792881
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- P9312 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
46 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $125 |
Typical Medicare-allowed amounts for these services range $86–$125 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 57 | 22 |
| Pantoprazole Sodium | 50 | 19 |
| Atorvastatin Calcium | 48 | 21 |
| Levothyroxine Sodium | 41 | 17 |
| Trazodone Hcl | 34 | — |
| Tramadol Hcl | 33 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,589 across 4 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
- 2005-10-05
- Last updated
- 2021-04-12
- Certified
- 2021-04-12
Frequently asked questions
- What is John Carroll's NPI number?
- John Carroll's National Provider Identifier (NPI) is 1992792881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carroll's specialty?
- John Carroll is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is John Carroll located?
- John Carroll's practice location on file with NPPES is 2606 Hospital Blvd Ste B, Corpus Christi, TX 78405-1804.
- What is John Carroll's phone number?
- The practice phone number listed in the NPPES registry for John Carroll is (469) 282-4789.
- Does John Carroll accept Medicare?
- John Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Carroll's NPI active?
- Yes — John Carroll's NPI (1992792881) is active in the NPPES registry as of the last update on 2021-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.