Rajesh Rethnam, MD., FCCP.
Critical Care Medicine (Internal Medicine) Physician · Houston, TX
Rajesh Rethnam, MD., FCCP. is a critical care medicine (internal medicine) physician with a practice address in Houston, Texas, and NPI 1275634289, issued on Sep 25, 2006. Check the license (Texas N4033, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Rajesh Rethnam
- Credential
- MD., FCCP.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- N4033 TX
N 4033 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1800 W 26TH St Ste 200, Houston, TX 77008
- Phone
- (888) 958-6463
- Enumerated
- Sep 25, 2006
- Record last updated
- Dec 16, 2023
- Fax
- (832) 529-6463
- Medicare enrollment
- Enrolled (PECOS I20110520000057); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 413 in Texas → Look up another NPI →
Also registered at 1800 W 26TH St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ni ZhangFamily Nurse Practitioner1730049727
Verify Rajesh Rethnam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N4033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
900 Medicare Part D claims for 144 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa66 claims
- Metformin Hcl Er57 claims
- Trelegy Ellipta53 claims
- Topiramate39 claims
- Mounjaro38 claims
- Levocetirizine Dihydrochloride31 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: $805.34
33 payments; by number, the most common kind was food and beverage; the largest payer was Mylan Specialty L.P. The 2,708 providers of this specialty with any payment received $2,958.68 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.
Rajesh Rethnam among 413 critical care medicine (internal medicine) physician records in Texas
Rajesh Rethnam, MD., FCCP. is one of 413 critical care medicine (internal medicine) physician records with a practice address in Texas. 90% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 70% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1998 · median 2007 among the 346 with a school on file
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Texas
There are 413 critical care medicine (internal medicine) physician records in Texas.
All 413 in Texas → Every provider in Houston → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Suhayb Ranjha, MDHouston, TX 770041548754542
- Ananya YalamanchiHouston, TX 770041053818401
- Rahul Chilappa, M.D.Houston, TX 770241407117609
- Haala Rokadia, MDHouston, TX 770241376787333
- Jennifer Cunningham-Farbstein, M.D.Houston, TX 770251396850798
- Bindu Akkanti, M.DHouston, TX 770301982663514
- Donna Calabrese, M.D.Houston, TX 770301538144845
- Christopher Cortes, M.D.Houston, TX 770301447258959
Common questions
What is Rajesh Rethnam, MD., FCCP.'s NPI number?
Rajesh Rethnam, MD., FCCP.'s National Provider Identifier (NPI) is 1275634289, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rajesh Rethnam, MD., FCCP. located?
The NPPES record lists a practice address at 1800 W 26TH St Ste 200, Houston, TX, 77008. Phone: (888) 958-6463. Providers update this record themselves, so call before visiting.
How can I verify Rajesh Rethnam, MD., FCCP.'s license?
NPPES lists Texas license number N4033, 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 Rajesh Rethnam, MD., FCCP. prescribe under Medicare Part D?
In 2024, Rajesh Rethnam, MD., FCCP. had 900 Medicare Part D claims for 144 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.