Lakshmi Karthik, M.D.
Internal Medicine Physician · Plano, TX
Lakshmi Karthik, M.D. is an internal medicine physician with a practice address in Plano, Texas, and NPI 1932302544, issued on Jun 9, 2007. Check the license (Texas P1882, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lakshmi Karthik
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P1882 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3901 W 15TH St, Plano, TX 75075
- Phone
- (214) 908-1138
- Enumerated
- Jun 9, 2007
- Record last updated
- Nov 1, 2023
- Medicaid ID
- 1022197110001 PA
- Medicare enrollment
- Enrolled (PECOS I20120821000610); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 3901 W 15TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lakshmi Karthik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P1882Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
173 Medicare Part D claims for 89 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 22 claims were for opioids.
Most prescribed
- Tramadol Hcl14 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.
Bills Medicare through one group practice
- Questcare Hospitalists PLLCPlano, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lakshmi Karthik among 9,175 internal medicine physician records in Texas
Lakshmi Karthik, 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 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
- Graduated2008 · median 2004 among the 6,088 with a school on file
- Record last updated2023 · 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).
205 internal medicine physician records list a practice address in Plano
They are 205 of the 7,271 NPPES records with a practice address in Plano, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Plano → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sunanda Cherukuri, M.D.Plano, TX 750751477552511
- Kheim Chu, DOPlano, TX 750751932143898
- George Hewell, M.D.Plano, TX 750751972554467
- Chung-Wei Hsu, DOPlano, TX 750751174600381
- Robert Johnson, M.D., MBA, FACPPlano, TX 750751184686073
- Mahmood Khan, M.D.Plano, TX 750751891741120
- Jianhuan Meng, MDPlano, TX 750751265540769
- Joseph Miller, M.D.Plano, TX 750751124194758
Common questions
What is Lakshmi Karthik, M.D.'s NPI number?
Lakshmi Karthik, M.D.'s National Provider Identifier (NPI) is 1932302544, issued on Jun 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lakshmi Karthik, M.D. located?
The NPPES record lists a practice address at 3901 W 15TH St, Plano, TX, 75075. Phone: (214) 908-1138. Providers update this record themselves, so call before visiting.
How can I verify Lakshmi Karthik, M.D.'s license?
NPPES lists Texas license number P1882, 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 Lakshmi Karthik, M.D. prescribe under Medicare Part D?
In 2024, Lakshmi Karthik, M.D. had 173 Medicare Part D claims for 89 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.