NPPES file of Aug 9, 2026

Chockalingam Arun Narayanan, M.D.

Clinical Cardiac Electrophysiology Physician · Galveston, TX

Chockalingam Arun Narayanan, M.D. is a clinical cardiac electrophysiology physician with a practice address in Galveston, Texas, and NPI 1508276296, issued on May 2, 2014. Check the license (Texas 49218, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508276296
Name
Chockalingam Arun Narayanan
Credential
M.D.
Primary taxonomy
Clinical Cardiac Electrophysiology Physician 207RC0001X
License numbers
49218 TX
47721 TX
48808 TX
Self-reported in NPPES; status is on the state search
Practice location
1005 Harborside Dr 6TH FL, Galveston, TX 77555
Phone
(409) 772-2328
Enumerated
May 2, 2014
Record last updated
Aug 5, 2026
Medicare enrollment
Enrolled (PECOS I20220817003756); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1005 Harborside Dr 6TH FL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bashar Al Hemyari, M.D.Cardiovascular Disease Physician1831550730
  2. Lovette Alegado, FNP-CFamily Nurse Practitioner1043817026
  3. Jennifer Brown, PA-CPhysician Assistant1801213632
  4. Eugene Harper, MDInfectious Disease Physician1376046193
  5. Siby SebastianFamily Nurse Practitioner1528757374

Verify Chockalingam Arun Narayanan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license 49218
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

22% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024

1,328 Medicare Part D claims for 267 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Chockalingam Narayanan1,328
  2. Specialty average1,710

Most prescribed

  1. Eliquis409 claims
  2. Metoprolol Succinate145 claims
  3. Metoprolol Tartrate122 claims
  4. Amiodarone Hcl110 claims
  5. Atorvastatin Calcium43 claims
  6. Flecainide Acetate42 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 75 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.8
  2. Costout of 100 · 30%47.8
  3. Promoting interoperabilityout of 100 · 25%94.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $7,789.97

101 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chockalingam Narayanan$7,790
  2. Specialty average$10,651

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Utmb Faculty Group PracticeWebster, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chockalingam Arun Narayanan among 234 clinical cardiac electrophysiology physician records in Texas

Chockalingam Arun Narayanan, M.D. is one of 234 clinical cardiac electrophysiology physician records with a practice address in Texas. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 84% of them.

  • NPI issued2014 · 84% of these records are older, 12% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 91% of these records are
  • Graduated2014 · median 2001 among the 214 with a school on file
  • Record last updated2026 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Cardiac Electrophysiology Physician providers in Texas

There are 234 clinical cardiac electrophysiology physician records in Texas.

The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes

  1. Haider Al Taii, MDGalveston, TX 775551538563036
  2. George Carayannopoulos, M.D.Galveston, TX 775551740349471
  3. Muhie Dean Sabayon, M.D.Galveston, TX 775551962908848
  4. Dustin Staloch, M.DGalveston, TX 775551184011645
  5. Gholamreza Khoshnevis, M.D.Baytown, TX 775211548246168
  6. Jose Cuellar Silva, M.D.Webster, TX 775981578760906
  7. Harsha Ganga, MDWebster, TX 775981184814022
  8. Zaka KhanSugar Land, TX 774791093048969

Common questions

What is Chockalingam Arun Narayanan, M.D.'s NPI number?

Chockalingam Arun Narayanan, M.D.'s National Provider Identifier (NPI) is 1508276296, issued on May 2, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Chockalingam Arun Narayanan, M.D. located?

The NPPES record lists a practice address at 1005 Harborside Dr 6TH FL, Galveston, TX, 77555. Phone: (409) 772-2328. Providers update this record themselves, so call before visiting.

How can I verify Chockalingam Arun Narayanan, M.D.'s license?

NPPES lists Texas license number 49218, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chockalingam Arun Narayanan, M.D. prescribe under Medicare Part D?

In 2024, Chockalingam Arun Narayanan, M.D. had 1,328 Medicare Part D claims for 267 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.

What is Chockalingam Arun Narayanan, M.D.'s MIPS final score?

The 2023 MIPS final score is 75 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.