Rex Harris, MD
NPI 1861804627 · Family Medicine Physician · Waco, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rex Harris, MD is a Family Medicine Physician provider in Waco, TX (NPI 1861804627).
Provider details
- NPI number
- 1861804627
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- BP10051104 (TX)
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
12 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
1,520 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 | 269 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 236 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 153 | $13 |
| Hemoglobin A1c Level83036 | 122 | $9 |
| 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 | 95 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 195 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 532 | 133 |
| Levothyroxine Sodium | 494 | 95 |
| Atorvastatin Calcium | 450 | 127 |
| Lisinopril | 397 | 118 |
| Amlodipine Besylate | 374 | 101 |
| Losartan Potassium | 330 | 96 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$334 across 18 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
- 2014-05-28
- Last updated
- 2014-05-28
Frequently asked questions
- What is Rex Harris's NPI number?
- Rex Harris's National Provider Identifier (NPI) is 1861804627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rex Harris's specialty?
- Rex Harris is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rex Harris located?
- Rex Harris's practice location on file with NPPES is 1600 Providence Dr, Waco, TX 76707-2261.
- What is Rex Harris's phone number?
- The practice phone number listed in the NPPES registry for Rex Harris is (254) 313-4200.
- Does Rex Harris accept Medicare?
- Rex Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rex Harris's NPI active?
- Yes — Rex Harris's NPI (1861804627) is active in the NPPES registry as of the last update on 2014-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.