Rajesh Rethnam, MD., FCCP.
NPI 1275634289 · Critical Care Medicine (Internal Medicine) Physician · Houston, TX
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rajesh Rethnam, MD., FCCP. is a Critical Care Medicine (Internal Medicine) Physician provider in Houston, TX (NPI 1275634289).
Provider details
- NPI number
- 1275634289
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD., FCCP.
- Sex
- Male
- Sole proprietor
- Yes
- License
- N4033 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
824 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 561 | $119 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 146 | $128 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 21 | $167 |
| Evaluation of Use of Breathing Device94664 | 18 | $18 |
| Collection and Interpretation of Physical Parameters Stored in Computers And/Or Transmitted By the Patient And/Or Caregiver to Qualified Health Care Professional, Requiring 30 Minutes Or More, Per 30 Days99091 | 16 | $54 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 66 | 40 |
| Metformin Hclbrand: Metformin Hcl Er | 57 | 25 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 53 | 28 |
| Topiramate | 39 | 17 |
| Tirzepatidebrand: Mounjaro | 38 | 13 |
| Levocetirizine Dihydrochloride | 31 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$805 across 33 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2023-12-16
- Certified
- 2023-12-16
Frequently asked questions
- What is Rajesh Rethnam's NPI number?
- Rajesh Rethnam's National Provider Identifier (NPI) is 1275634289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rajesh Rethnam's specialty?
- Rajesh Rethnam is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Rajesh Rethnam located?
- Rajesh Rethnam's practice location on file with NPPES is 1800 W 26th St Ste 200, Houston, TX 77008-1452.
- What is Rajesh Rethnam's phone number?
- The practice phone number listed in the NPPES registry for Rajesh Rethnam is (888) 958-6463.
- Does Rajesh Rethnam accept Medicare?
- Rajesh Rethnam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rajesh Rethnam's NPI active?
- Yes — Rajesh Rethnam's NPI (1275634289) is active in the NPPES registry as of the last update on 2023-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.