Karen Cornett, MD
NPI 1376538223 · Family Medicine Physician · Fredericksburg, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Cornett, MD is a Family Medicine Physician provider in Fredericksburg, TX (NPI 1376538223).
Provider details
- NPI number
- 1376538223
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- L7615 (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
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
1,206 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 209 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 154 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 150 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 130 | $86 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 104 | $123 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 98 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 128 | 34 |
| Levothyroxine Sodium | 123 | 25 |
| Simvastatin | 86 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 83 | 19 |
| Tramadol Hcl | 82 | 23 |
| Hydrochlorothiazide | 75 | 20 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$612 across 32 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
- 2005-09-16
- Last updated
- 2019-11-18
Frequently asked questions
- What is Karen Cornett's NPI number?
- Karen Cornett's National Provider Identifier (NPI) is 1376538223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Cornett's specialty?
- Karen Cornett is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Cornett located?
- Karen Cornett's practice location on file with NPPES is 514 W Windcrest St, Fredericksburg, TX 78624-4633.
- What is Karen Cornett's phone number?
- The practice phone number listed in the NPPES registry for Karen Cornett is (830) 997-0330.
- Does Karen Cornett accept Medicare?
- Karen Cornett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Cornett's NPI active?
- Yes — Karen Cornett's NPI (1376538223) is active in the NPPES registry as of the last update on 2019-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.