Karthik Diwakar Mekala, M.D.
Interventional Cardiology Physician · Longview, TX
Karthik Diwakar Mekala, M.D. is an interventional cardiology physician with a practice address in Longview, Texas, and NPI 1669739942, issued on Apr 11, 2012. Check the license (Texas R9814, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karthik Diwakar Mekala
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- R9814 TX
Self-reported in NPPES; status is on the state search - Practice location
- 700 E Marshall Ave, Longview, TX 75601
- Phone
- (903) 315-2000
- Enumerated
- Apr 11, 2012
- Record last updated
- Jul 23, 2024
- Medicaid ID
- 399470901 TX
- Medicare enrollment
- Enrolled (PECOS I20190611000253); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 724 in Texas → Look up another NPI →
Also registered at 700 E Marshall Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kwame Agyeman, M.D.Internal Medicine Physician1285863753
- Courtney Alford-Portley, FNP-CFamily Nurse Practitioner1255793451
- Krishan AminInternal Medicine Physician1710398615
- Jeremiah Andrews, CRNACertified Registered Nurse Anesthetist1548030885
- Jessica AparicioRegistered Nurse1316868532
- Nadeen Audisho, MDInternal Medicine Physician1962956896
Verify Karthik Diwakar Mekala in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R9814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
2,765 Medicare Part D claims for 704 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Clopidogrel318 claims
- Atorvastatin Calcium294 claims
- Carvedilol218 claims
- Rosuvastatin Calcium191 claims
- Furosemide166 claims
- Metoprolol Succinate157 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: $4,038.85
47 payments; by number, the most common kind was food and beverage; the largest payer was Chiesi USA, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 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
- Christus Trinity ClinicHenderson, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karthik Diwakar Mekala among 724 interventional cardiology physician records in Texas
Karthik Diwakar Mekala, M.D. is one of 724 interventional cardiology physician records with a practice address in Texas. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 19% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 90% of these records are
- Graduated2012 · median 2003 among the 653 with a school on file
- Record last updated2024 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Texas
There are 724 interventional cardiology physician records in Texas.
All 724 in Texas → Every provider in Longview → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Shafik Hanna-Moussa, MDLongview, TX 756011306850227
- Charles Crumpler, M.D.Longview, TX 756051609986165
- Ranjan Dahal, MDLongview, TX 756051194070482
- Rodney Henry, M.D.Longview, TX 756051083724520
- George Leatherman, M.D.Longview, TX 756051639289119
- Krishna Nayini, M.D.Longview, TX 756051326158890
- Charles Newkirk, M.D.Longview, TX 756051861502304
- Ronald Scott, M.D.Longview, TX 756051922118470
Common questions
What is Karthik Diwakar Mekala, M.D.'s NPI number?
Karthik Diwakar Mekala, M.D.'s National Provider Identifier (NPI) is 1669739942, issued on Apr 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Karthik Diwakar Mekala, M.D. located?
The NPPES record lists a practice address at 700 E Marshall Ave, Longview, TX, 75601. Phone: (903) 315-2000. Providers update this record themselves, so call before visiting.
How can I verify Karthik Diwakar Mekala, M.D.'s license?
NPPES lists Texas license number R9814, 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 Karthik Diwakar Mekala, M.D. prescribe under Medicare Part D?
In 2024, Karthik Diwakar Mekala, M.D. had 2,765 Medicare Part D claims for 704 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.