Rajasekaran Annamalai, MD
Internal Medicine Physician · Tomball, TX
Rajasekaran Annamalai, MD is an internal medicine physician with a practice address in Tomball, Texas, and NPI 1932210234, issued on Aug 31, 2006. Check the license (Texas N0611, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Rajasekaran Annamalai
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- N0611 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11011 Northpointe Blvd Ste C, Tomball, TX 77375
- Phone
- (281) 246-1100
- Enumerated
- Aug 31, 2006
- Record last updated
- Apr 10, 2024
- Fax
- (281) 430-1100
- Medicare enrollment
- Enrolled (PECOS I20101123000835); 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 11011 Northpointe Blvd Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nalina Chandrasekharan, MDPediatrics Physician1104967025
Verify Rajasekaran Annamalai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N0611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average internal medicine physician in 2024
5,855 Medicare Part D claims for 236 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 157 claims were for opioids.
Most prescribed
- Atorvastatin Calcium271 claims
- Levothyroxine Sodium228 claims
- Montelukast Sodium164 claims
- Rosuvastatin Calcium148 claims
- Gabapentin133 claims
- Amlodipine Besylate111 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: $476.05
18 payments; by number, the most common kind was food and beverage; the largest payer was Phathom 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.
Rajasekaran Annamalai among 9,175 internal medicine physician records in Texas
Rajasekaran Annamalai, 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 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
- Graduated1998 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 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).
25 internal medicine physician records list a practice address in Tomball
They are 25 of the 1,068 NPPES records with a practice address in Tomball, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Tomball → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Asiya Ahmed, M.D.Tomball, TX 773751013966316
- Shamaila Aslam, MDTomball, TX 773751992748545
- Balbir Chahal, M.D.Tomball, TX 773751508850066
- Muhammad Irfan, M.D.Tomball, TX 773751972570489
- Adnan Jafri, M.D.Tomball, TX 773751699782417
- Mark Le, M.D.Tomball, TX 773751033153002
- David Le, M.D., P.A.Tomball, TX 773751861438525
- Hang Le, D.O.Tomball, TX 773751982618310
Common questions
What is Rajasekaran Annamalai, MD's NPI number?
Rajasekaran Annamalai, MD's National Provider Identifier (NPI) is 1932210234, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rajasekaran Annamalai, MD located?
The NPPES record lists a practice address at 11011 Northpointe Blvd Ste C, Tomball, TX, 77375. Phone: (281) 246-1100. Providers update this record themselves, so call before visiting.
How can I verify Rajasekaran Annamalai, MD's license?
NPPES lists Texas license number N0611, 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 Rajasekaran Annamalai, MD prescribe under Medicare Part D?
In 2024, Rajasekaran Annamalai, MD had 5,855 Medicare Part D claims for 236 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.