Sudhaker Nayak, M.D.
NPI 1063501021 · Specialist · Whittier, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sudhaker Nayak, M.D. is a Specialist provider in Whittier, CA (NPI 1063501021).
Provider details
- NPI number
- 1063501021
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A42836 (CA)
Specialties & taxonomies
Other Service Providers
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
3,922 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 971 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 775 | $138 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 665 | $71 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 533 | $82 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 164 | $135 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 843 | 227 |
| Carvedilol | 733 | 238 |
| Metoprolol Succinate | 634 | 199 |
| Amlodipine Besylate | 568 | 192 |
| Metoprolol Tartrate | 456 | 154 |
| Atorvastatin Calcium | 380 | 141 |
| Furosemide | 379 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$711 across 25 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
- 2006-10-11
- Last updated
- 2008-03-13
Frequently asked questions
- What is Sudhaker Nayak's NPI number?
- Sudhaker Nayak's National Provider Identifier (NPI) is 1063501021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sudhaker Nayak's specialty?
- Sudhaker Nayak is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Sudhaker Nayak located?
- Sudhaker Nayak's practice location on file with NPPES is 12291 E Washington Blvd, Whittier, CA 90606-2500.
- What is Sudhaker Nayak's phone number?
- The practice phone number listed in the NPPES registry for Sudhaker Nayak is (562) 789-7712.
- Does Sudhaker Nayak accept Medicare?
- Sudhaker Nayak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sudhaker Nayak's NPI active?
- Yes — Sudhaker Nayak's NPI (1063501021) is active in the NPPES registry as of the last update on 2008-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.