Nallathamby Thayapran, M.D.
NPI 1386740421 · Interventional Cardiology Physician · Porterville, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nallathamby Thayapran, M.D. is a Interventional Cardiology Physician provider in Porterville, CA (NPI 1386740421).
Provider details
- NPI number
- 1386740421
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A66422 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
9,938 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 | 2,397 | $136 |
| Rubidium Rb-82, Diagnostic, Per Study Dose, Up to 60 MillicuriesA9555 | 1,104 | $537 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,014 | $15 |
| Nuclear Medicine Studies of Blood Flow in Heart Muscle at Rest and With Stress78492 | 552 | $1,607 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician93015 | 549 | $78 |
| 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 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 267 | 91 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 215 | 74 |
| Lisinopril | 214 | 78 |
| Apixabanbrand: Eliquis | 203 | 55 |
| Cephalexin | 165 | 124 |
| Hydrochlorothiazide | 130 | 53 |
| Carvedilol | 130 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$62 across 1 record (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
- 2006-09-16
- Last updated
- 2026-02-06
- Certified
- 2026-02-06
Frequently asked questions
- What is Nallathamby Thayapran's NPI number?
- Nallathamby Thayapran's National Provider Identifier (NPI) is 1386740421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nallathamby Thayapran's specialty?
- Nallathamby Thayapran is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nallathamby Thayapran located?
- Nallathamby Thayapran's practice location on file with NPPES is 240 N Porter Rd, Porterville, CA 93257-3140.
- What is Nallathamby Thayapran's phone number?
- The practice phone number listed in the NPPES registry for Nallathamby Thayapran is (559) 793-2677.
- Does Nallathamby Thayapran accept Medicare?
- Nallathamby Thayapran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nallathamby Thayapran's NPI active?
- Yes — Nallathamby Thayapran's NPI (1386740421) is active in the NPPES registry as of the last update on 2026-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.