Quick answers
- Does Zayd A. Razouki accept Medicare assignment?
- Yes. Medicare's clinician data says Zayd A. Razouki accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zayd A. Razouki see?
- In 2024, CMS data shows 220 Original Medicare patients and 393 services for Zayd A. Razouki. This counts Original Medicare only and measures volume, not quality.
- What is Zayd A. Razouki's NPI number?
- 1316270697. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zayd A. Razouki, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 220 |
|---|---|
| Services billed to Medicare | 393 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)165 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)51 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)35 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)34 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)24 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)61%
- Arthritis46%
- Diabetes44%
- Anxiety37%
Practice locations
Addresses where Zayd A. Razouki is enrolled with Medicare (CMS data updated October 2, 2026).
- 1515 Holcombe BlvdHouston, TX 77030 (713) 792‑2121
Group practices
Medicare enrollment lists Zayd A. Razouki as a member of this group (CMS data updated October 2, 2026).
- Physicians Referral Service2,765 clinicians in the group
Specialties
- Internal Medicineprimary
- Preventive Medicinealso
Other internal medicine doctors in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Physicians Referral Service
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316270697 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians