Azmi Atiya, MD
NPI 1639109648 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Northridge, CA
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Azmi Atiya, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Northridge, CA (NPI 1639109648).
Provider details
- NPI number
- 1639109648
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G78432 (CA)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
335 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 67 | $179 |
| Harvest of Vein Using an Endoscope33508 | 42 | $15 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 36 | $85 |
| Coronary Artery Bypass Using Artery Graft, 1 Graft33533 | 29 | $1,695 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 21 | $136 |
| Ultrasonic Guidance During Surgery76998 | 20 | $47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,544 across 52 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 (2)
- 1700 N Rose Ave Ste 135Oxnard, CA 93030-7301Phone: (818) 993-4475
- 18133 Ventura Blvd Ste 300Tarzana, CA 91356-3645Phone: (310) 423-8888Fax: (310) 423-8880
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2024-04-08
- Certified
- 2024-04-08
Frequently asked questions
- What is Azmi Atiya's NPI number?
- Azmi Atiya's National Provider Identifier (NPI) is 1639109648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Azmi Atiya's specialty?
- Azmi Atiya is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Azmi Atiya located?
- Azmi Atiya's practice location on file with NPPES is 18350 Roscoe Blvd., Northridge, CA 91325-4148.
- What is Azmi Atiya's phone number?
- The practice phone number listed in the NPPES registry for Azmi Atiya is (818) 993-4471.
- Does Azmi Atiya accept Medicare?
- Azmi Atiya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Azmi Atiya's NPI active?
- Yes — Azmi Atiya's NPI (1639109648) is active in the NPPES registry as of the last update on 2024-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.