Koushik Nag, DO
NPI 1699892059 · Interventional Cardiology Physician · Avondale, AZ
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Koushik Nag, DO is a Interventional Cardiology Physician provider in Avondale, AZ (NPI 1699892059).
Provider details
- NPI number
- 1699892059
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 005149 (AZ)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,955 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,375 | $122 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 532 | $187 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 482 | $8 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 282 | $14 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 188 | $178 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 659 | 234 |
| Metoprolol Succinate | 578 | 187 |
| Amlodipine Besylate | 391 | 130 |
| Apixabanbrand: Eliquis | 382 | 105 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 366 | 125 |
| Metoprolol Tartrate | 326 | 125 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$609 across 31 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
Registry dates
- Enumerated
- 2007-03-23
- Last updated
- 2024-08-05
- Certified
- 2024-08-05
Frequently asked questions
- What is Koushik Nag's NPI number?
- Koushik Nag's National Provider Identifier (NPI) is 1699892059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Koushik Nag's specialty?
- Koushik Nag is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Koushik Nag located?
- Koushik Nag's practice location on file with NPPES is 10815 W Mcdowell Rd, Avondale, AZ 85392-5007.
- What is Koushik Nag's phone number?
- The practice phone number listed in the NPPES registry for Koushik Nag is (623) 433-0202.
- Does Koushik Nag accept Medicare?
- Koushik Nag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Koushik Nag's NPI active?
- Yes — Koushik Nag's NPI (1699892059) is active in the NPPES registry as of the last update on 2024-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.