Sudheer Karnati, MD
NPI 1811186596 · Internal Medicine Physician · Lufkin, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sudheer Karnati, MD is a Internal Medicine Physician provider in Lufkin, TX (NPI 1811186596).
Provider details
- NPI number
- 1811186596
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- K6619 (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
18 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
6,481 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 | 1,041 | $90 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 850 | $63 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 794 | $9 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 586 | $13 |
| Blood Glucose (sugar) Level82947 | 584 | $4 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 361 | $19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 183 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,458 | 396 |
| Losartan Potassium | 1,279 | 344 |
| Amlodipine Besylate | 951 | 263 |
| Levothyroxine Sodium | 748 | 175 |
| Metoprolol Succinate | 675 | 197 |
| Gabapentin | 668 | 170 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$508 across 27 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
- 2007-10-18
- Last updated
- 2007-10-22
Frequently asked questions
- What is Sudheer Karnati's NPI number?
- Sudheer Karnati's National Provider Identifier (NPI) is 1811186596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sudheer Karnati's specialty?
- Sudheer Karnati is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sudheer Karnati located?
- Sudheer Karnati's practice location on file with NPPES is 5 Medical Center Blvd, Lufkin, TX 75904-3173.
- What is Sudheer Karnati's phone number?
- The practice phone number listed in the NPPES registry for Sudheer Karnati is (936) 634-1003.
- Does Sudheer Karnati accept Medicare?
- Sudheer Karnati is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sudheer Karnati's NPI active?
- Yes — Sudheer Karnati's NPI (1811186596) is active in the NPPES registry as of the last update on 2007-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.