Ziyad Ayyoub, M.D.
NPI 1356451579 · Physical Medicine & Rehabilitation Physician · Paramount, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ziyad Ayyoub, M.D. is a Physical Medicine & Rehabilitation Physician provider in Paramount, CA (NPI 1356451579).
Provider details
- NPI number
- 1356451579
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A53397 (CA)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,870 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 35 Minutes99232 | 6,146 | $81 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 292 | $179 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 186 | $138 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 89 | $123 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 83 | $51 |
| Injection of Chemical for Paralysis of Nerve Muscles on Arm Or Leg, 5 Or More Muscles, First Extremity |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 123 | 18 |
| Onabotulinumtoxinabrand: Botox | 73 | 22 |
| Gabapentin | 50 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 36 | — |
| Ibuprofen | 22 | — |
| Baclofen | 19 | — |
| Oxycodone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37,561 across 65 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
Additional practice locations (1)
- 7601 Imperial HwyDowney, CA 90242-3456Phone: (562) 803-0124Fax: (562) 803-5569
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2023-04-12
- Certified
- 2023-04-12
Frequently asked questions
- What is Ziyad Ayyoub's NPI number?
- Ziyad Ayyoub's National Provider Identifier (NPI) is 1356451579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ziyad Ayyoub's specialty?
- Ziyad Ayyoub is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Ziyad Ayyoub located?
- Ziyad Ayyoub's practice location on file with NPPES is 16660 Paramount Blvd Ste 101, Paramount, CA 90723-5457.
- What is Ziyad Ayyoub's phone number?
- The practice phone number listed in the NPPES registry for Ziyad Ayyoub is (562) 633-0976.
- Does Ziyad Ayyoub accept Medicare?
- Ziyad Ayyoub is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ziyad Ayyoub's NPI active?
- Yes — Ziyad Ayyoub's NPI (1356451579) is active in the NPPES registry as of the last update on 2023-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.