Narayanaiyengar Devaraj, MD
NPI 1639133960 · Cardiovascular Disease Physician · Anaheim, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Narayanaiyengar Devaraj, MD is a Cardiovascular Disease Physician provider in Anaheim, CA (NPI 1639133960).
Provider details
- NPI number
- 1639133960
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A34201 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,725 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 | 918 | $130 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 382 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 234 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 216 | $114 |
| Critical Care, First 30-74 Minutes99291 | 170 | $201 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 417 | 123 |
| Atorvastatin Calcium | 270 | 85 |
| Rosuvastatin Calcium | 241 | 82 |
| Amlodipine Besylate | 232 | 76 |
| Amiodarone Hcl | 169 | 46 |
| Lisinopril | 168 | 57 |
| Sacubitril/Valsartanbrand: Entresto |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$336 across 11 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
- 2006-04-13
- Last updated
- 2020-10-08
- Certified
- 2020-10-08
Frequently asked questions
- What is Narayanaiyengar Devaraj's NPI number?
- Narayanaiyengar Devaraj's National Provider Identifier (NPI) is 1639133960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Narayanaiyengar Devaraj's specialty?
- Narayanaiyengar Devaraj is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Narayanaiyengar Devaraj located?
- Narayanaiyengar Devaraj's practice location on file with NPPES is 3400 W Ball Rd, Anaheim, CA 92804.
- What is Narayanaiyengar Devaraj's phone number?
- The practice phone number listed in the NPPES registry for Narayanaiyengar Devaraj is (714) 952-0958.
- Does Narayanaiyengar Devaraj accept Medicare?
- Narayanaiyengar Devaraj is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Narayanaiyengar Devaraj's NPI active?
- Yes — Narayanaiyengar Devaraj's NPI (1639133960) is active in the NPPES registry as of the last update on 2020-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.