Quick answers
- Does David P. Zarzour accept Medicare assignment?
- Yes. Medicare's clinician data says David P. Zarzour 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 David P. Zarzour see?
- In 2024, CMS data shows 479 Original Medicare patients and 603 services for David P. Zarzour. This counts Original Medicare only and measures volume, not quality.
- What is David P. Zarzour's NPI number?
- 1134446057. 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 David P. Zarzour, 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 | 479 |
|---|---|
| Services billed to Medicare | 603 |
| Different services or procedures | 76 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (64448)53 services
- Insertion of artery tube for blood sampling or infusion through skin (36620)38 services
- Anesthesia for extensive surgery on spine (00670)35 services
- Anesthesia for total hip replacement (01214)29 services
- Anesthesia for procedure for total knee joint replacement (01402)28 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%
- Arthritis68%
- Ischemic heart disease43%
- Diabetes41%
- Atrial fibrillation33%
Hospitals where David P. Zarzour works
Medicare's Facility Affiliation Data lists David P. Zarzour at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Houston Methodist Cypress HospitalCypress, TX · Acute Care Hospital · CCN 670342
- Houston Methodist Willowbrook HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 450844
- Memorial Hermann - Texas Medical CenterHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450068
Practice locations
Addresses where David P. Zarzour is enrolled with Medicare (CMS data updated October 2, 2026).
- 21214 Northwest FwyCypress, TX 77429 (832) 921‑3773
Group practices
Medicare enrollment lists David P. Zarzour as a member of this group (CMS data updated October 2, 2026).
- U S Anesthesia Partners of Texas, PA2,752 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Cypress
Clinicians with the same Medicare primary specialty in Cypress, TX — not a recommendation.
Other clinicians in U S Anesthesia Partners of Texas, PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134446057 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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