Quick answers
- Does Zainal Hussain accept Medicare assignment?
- Yes. Medicare's clinician data says Zainal Hussain 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 Zainal Hussain see?
- In 2024, CMS data shows 1,064 Original Medicare patients and 3,371 services for Zainal Hussain. This counts Original Medicare only and measures volume, not quality.
- What is Zainal Hussain's NPI number?
- 1992995146. 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 Zainal Hussain, 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 | 1,064 |
|---|---|
| Services billed to Medicare | 3,371 |
| Different services or procedures | 90 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)676 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)603 services
- 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's (G2211)544 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)257 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)149 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%
- Ischemic heart disease59%
- Arthritis48%
- Heart failure46%
- Chronic kidney disease42%
Hospitals where Zainal Hussain works
Medicare's Facility Affiliation Data lists Zainal Hussain 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.
- Ascension St John Broken ArrowBroken Arrow, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370235
- Ascension St John Medical CenterTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370114
- Ascension St John SapulpaSapulpa, OK · Critical Access Hospital · Emergency services: listed by Medicare · CCN 371312
- Saint Francis Hospital, IncTulsa, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370091
- St John OwassoOwasso, OK · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 370227
Practice locations
Addresses where Zainal Hussain is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 W Boise Circle, Emergency RoomBroken Arrow, OK 74012 (918) 994‑8000
- 1705 E 19th StTulsa, OK 74104
- 1923 S Utica AveTulsa, OK 74104 (918) 744‑2071
- 1923 S Utica Ave, Medical Staff OfficeTulsa, OK 74104
Group practices
Medicare enrollment lists Zainal Hussain as a member of this group (CMS data updated October 2, 2026).
- St. John Physicians, Inc.259 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Oklahoma →
Other cardiologists in Broken Arrow
Clinicians with the same Medicare primary specialty in Broken Arrow, OK — not a recommendation.
Other clinicians in St. John Physicians, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992995146 |
| 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