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General Surgery

Ramasamy Seralathan, MD

Works at hospitals in Porterville, CA · California

Summary

Dr. Ramasamy Seralathan, MD is a general surgeon at 560 W Putnam Ave, Porterville, CA 93257. Phone: (559) 781-2000. May accept Medicare assignment. In 2024, Ramasamy Seralathan had 122 Original Medicare patients and 225 services. NPI 1174533319. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Ramasamy Seralathan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ramasamy Seralathan accept Medicare assignment?
Medicare's clinician data says Ramasamy Seralathan may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Ramasamy Seralathan see?
In 2024, CMS data shows 122 Original Medicare patients and 225 services for Ramasamy Seralathan. This counts Original Medicare only and measures volume, not quality.
What is Ramasamy Seralathan's NPI number?
1174533319. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ramasamy Seralathan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients122
Services billed to Medicare225
Different services or procedures47
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)41 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)21 services
  3. Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (G0121)15 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure74%
  • Diabetes49%
  • Arthritis39%
  • Ischemic heart disease34%
  • Chronic kidney disease30%

Hospitals where Ramasamy Seralathan works

Medicare's Facility Affiliation Data lists Ramasamy Seralathan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Ramasamy Seralathan is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Porterville

Clinicians with the same Medicare primary specialty in Porterville, CA — not a recommendation.

All general surgeons in Porterville →

Clinician information

CredentialMD
Graduation year1972 (54 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1174533319
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians