Karl L. Krohn, M.D.
Internal Medicine Physician · Lufkin, TX
Karl L. Krohn, M.D. is an internal medicine physician with a practice address in Lufkin, Texas, and NPI 1194798686, issued on Feb 7, 2006. Check the license (Texas H8185, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karl L. Krohn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- H8185 TX
Self-reported in NPPES; status is on the state search - Practice location
- 10 Medical Center Blvd, Lufkin, TX 75904
- Phone
- (936) 632-8220
- Enumerated
- Feb 7, 2006
- Record last updated
- Jul 5, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (936) 632-8230
- Medicaid ID
- 098954102 TX
- Medicare enrollment
- Enrolled (PECOS I20120419000094); accepts Medicare assignment
- Medical or professional school
- Southern Methodist University Medical Department, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 10 Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kyle Krohn, M.D.Internal Medicine Physician1124091277
- Carlton Lewis, D.O.Family Medicine Physician1902893928
- John Merritt, FNP-CFamily Nurse Practitioner1942885777
- Dickson Odero, MDInfectious Disease Physician1972655652
- David Sees, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1740269505
- Lance Sloan, MDEndocrinology, Diabetes & Metabolism Physician1588665228
Verify Karl L. Krohn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H8185Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average internal medicine physician in 2024
5,107 Medicare Part D claims for 232 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 282 claims were for opioids.
Most prescribed
- Losartan Potassium210 claims
- Levothyroxine Sodium168 claims
- Omeprazole160 claims
- Atorvastatin Calcium139 claims
- Amlodipine Besylate133 claims
- Hydrocodone-Acetaminophen120 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: $354.99
7 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Bills Medicare through one group practice
- Krohn Internal Medicine AssociationLufkin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karl L. Krohn among 9,175 internal medicine physician records in Texas
Karl L. Krohn, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1989 · median 2004 among the 6,088 with a school on file
- Record last updated2010 · 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
- Kyle Krohn, M.D.Lufkin, TX 759041124091277
- Anita Kuruvilla, M.D.Lufkin, TX 759041851377477
- Prasad Peddu, M.D.Lufkin, TX 759041487656468
- Richard Roby, MDLufkin, TX 759041518073121
Common questions
What is Karl L. Krohn, M.D.'s NPI number?
Karl L. Krohn, M.D.'s National Provider Identifier (NPI) is 1194798686, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karl L. Krohn, M.D. located?
The NPPES record lists a practice address at 10 Medical Center Blvd, Lufkin, TX, 75904. Phone: (936) 632-8220. Providers update this record themselves, so call before visiting.
How can I verify Karl L. Krohn, M.D.'s license?
NPPES lists Texas license number H8185, 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 Karl L. Krohn, M.D. prescribe under Medicare Part D?
In 2024, Karl L. Krohn, M.D. had 5,107 Medicare Part D claims for 232 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.