Najmuddin Karimjee, M.D.
NPI 1285660241 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Najmuddin Karimjee, M.D. is a Internal Medicine Physician provider in Houston, TX (NPI 1285660241).
Provider details
- NPI number
- 1285660241
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- J2631 (TX)
Specialties & taxonomies
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
20,394 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 3,428 | $16 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 2,964 | $63 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 2,666 | $88 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 2,403 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,203 | $124 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 438 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 5,551 | 1,908 |
| Amlodipine Besylate | 3,936 | 1,343 |
| Levothyroxine Sodium | 3,399 | 1,009 |
| Rosuvastatin Calcium | 3,260 | 1,152 |
| Lisinopril | 2,729 | 951 |
| Metformin Hcl | 2,658 | 938 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,132 across 121 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
- 2006-06-23
- Last updated
- 2012-05-31
Frequently asked questions
- What is Najmuddin Karimjee's NPI number?
- Najmuddin Karimjee's National Provider Identifier (NPI) is 1285660241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Najmuddin Karimjee's specialty?
- Najmuddin Karimjee is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Najmuddin Karimjee located?
- Najmuddin Karimjee's practice location on file with NPPES is 12015 Louetta Rd, Houston, TX 77070-1148.
- What is Najmuddin Karimjee's phone number?
- The practice phone number listed in the NPPES registry for Najmuddin Karimjee is (281) 370-7272.
- Does Najmuddin Karimjee accept Medicare?
- Najmuddin Karimjee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Najmuddin Karimjee's NPI active?
- Yes — Najmuddin Karimjee's NPI (1285660241) is active in the NPPES registry as of the last update on 2012-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.