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Anesthesiology

Rajamanickam Natarajan, MD

Works at hospitals in Allentown, PA · Hazleton, PA · Sayre, PA · Pennsylvania

Summary

Dr. Rajamanickam Natarajan, MD is an anesthesiologist at 1 Guthrie Sq, Sayre, PA 18840. Phone: (570) 888-5858. Accepts Medicare assignment. In 2024, Rajamanickam Natarajan had 559 Original Medicare patients and 1,049 services. NPI 1609878479. 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 Rajamanickam Natarajan, 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 Rajamanickam Natarajan accept Medicare assignment?
Yes. Medicare's clinician data says Rajamanickam Natarajan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Rajamanickam Natarajan see?
In 2024, CMS data shows 559 Original Medicare patients and 1,049 services for Rajamanickam Natarajan. This counts Original Medicare only and measures volume, not quality.
What is Rajamanickam Natarajan's NPI number?
1609878479. 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 Rajamanickam Natarajan, 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 patients559
Services billed to Medicare1,049
Different services or procedures95
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)121 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)105 services
  3. Anesthesia for other procedure on large bowel using an endoscope (00811)74 services
  4. Anesthesia for procedure for total knee joint replacement (01402)47 services
  5. Anesthesia for other procedure on upper abdomen (00790)32 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 blood pressure75%
  • High cholesterol75%
  • Arthritis60%
  • Diabetes40%
  • Ischemic heart disease40%
  • Anxiety37%

Hospitals where Rajamanickam Natarajan works

Medicare's Facility Affiliation Data lists Rajamanickam Natarajan 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.

  • Lehigh Valley HospitalAllentown, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390133
  • Lehigh Valley Hospital - HazletonHazleton, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390185
  • Robert Packer HospitalSayre, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390079

Practice locations

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

Group practices

Medicare enrollment lists Rajamanickam Natarajan as a member of these groups (CMS data updated October 2, 2026).

  • Guthrie Medical Group PC795 clinicians in the group
  • Hazleton Anesthesia Services PC32 clinicians in the group

Specialties

Find other Anesthesiology doctors in Pennsylvania →

Other anesthesiologists in Sayre

Clinicians with the same Medicare primary specialty in Sayre, PA — not a recommendation.

All anesthesiologists in Sayre →

Other clinicians in Guthrie Medical Group PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolState University Of New York At Stony Brook, School Of Medicine
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609878479
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