Sudheer R. Karnati, MD
Internal Medicine Physician · Lufkin, TX
Sudheer R. Karnati, MD is an internal medicine physician with a practice address in Lufkin, Texas, and NPI 1811186596, issued on Oct 18, 2007. Check the license (Texas K6619, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sudheer R. Karnati
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- K6619 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5 Medical Center Blvd, Lufkin, TX 75904
- Phone
- (936) 634-1003
- Enumerated
- Oct 18, 2007
- Record last updated
- Oct 22, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (936) 634-1016
- Medicare enrollment
- Enrolled (PECOS I20110523000462); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Sudheer R. Karnati in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K6619Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.4 times the Medicare Part D claims of the average internal medicine physician in 2024
20,451 Medicare Part D claims for 845 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 264 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,458 claims
- Losartan Potassium1,279 claims
- Amlodipine Besylate951 claims
- Levothyroxine Sodium748 claims
- Metoprolol Succinate675 claims
- Gabapentin668 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $508.42
27 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sudheer R. Karnati among 9,175 internal medicine physician records in Texas
Sudheer R. Karnati, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1998 · median 2004 among the 6,088 with a school on file
- Record last updated2007 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Lufkin
They are 36 of the 964 NPPES records with a practice address in Lufkin, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Lufkin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pratibha Deshpande, M.D.Lufkin, TX 759041164511408
- Jack Halter, M.D.Lufkin, TX 759041225001084
- Sondra Khalil, M.D.Lufkin, TX 759041598878175
- Wasim Khan, MDLufkin, TX 759041992717201
- Karl Krohn, M.D.Lufkin, TX 759041194798686
- Kyle Krohn, M.D.Lufkin, TX 759041124091277
- Anita Kuruvilla, M.D.Lufkin, TX 759041851377477
- Prasad Peddu, M.D.Lufkin, TX 759041487656468
Common questions
What is Sudheer R. Karnati, MD's NPI number?
Sudheer R. Karnati, MD's National Provider Identifier (NPI) is 1811186596, issued on Oct 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sudheer R. Karnati, MD located?
The NPPES record lists a practice address at 5 Medical Center Blvd, Lufkin, TX, 75904. Phone: (936) 634-1003. Providers update this record themselves, so call before visiting.
How can I verify Sudheer R. Karnati, MD's license?
NPPES lists Texas license number K6619, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sudheer R. Karnati, MD prescribe under Medicare Part D?
In 2024, Sudheer R. Karnati, MD had 20,451 Medicare Part D claims for 845 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.