Catherine Thomas, M.D.
NPI 1689648370 · Internal Medicine Physician · Birmingham, AL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Thomas, M.D. is a Internal Medicine Physician provider in Birmingham, AL (NPI 1689648370).
Provider details
- NPI number
- 1689648370
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD00013107 (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
4,173 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 481 | $116 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 455 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 314 | $10 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 297 | $15 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 267 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 157 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 566 | 160 |
| Levothyroxine Sodium | 375 | 99 |
| Amlodipine Besylate | 342 | 91 |
| Trazodone Hcl | 307 | 84 |
| Pantoprazole Sodium | 290 | 86 |
| Potassium Chloride | 239 | 67 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$462 across 22 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
- 2006-02-17
- Last updated
- 2021-03-31
- Certified
- 2021-03-31
Frequently asked questions
- What is Catherine Thomas's NPI number?
- Catherine Thomas's National Provider Identifier (NPI) is 1689648370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Thomas's specialty?
- Catherine Thomas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Thomas located?
- Catherine Thomas's practice location on file with NPPES is 833 Saint Vincents Dr Ste 300, Birmingham, AL 35205-1612.
- What is Catherine Thomas's phone number?
- The practice phone number listed in the NPPES registry for Catherine Thomas is (205) 939-4512.
- Does Catherine Thomas accept Medicare?
- Catherine Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Thomas's NPI active?
- Yes — Catherine Thomas's NPI (1689648370) is active in the NPPES registry as of the last update on 2021-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.