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Pulmonary Disease

Siva Rama Krishna Marri, MD

Works at hospitals in Cedar Park, TX · Austin, TX · Round Rock, TX … · Texas, Oregon, Illinois

Summary

Dr. Siva Rama Krishna Marri, MD is a pulmonologist at 1111 Crater Lake Ave, Medford, OR 97504. Phone: (541) 732-5000. May accept Medicare assignment. In 2024, Siva Rama Krishna Marri had 294 Original Medicare patients and 765 services. NPI 1366755126. 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 Siva Rama Krishna Marri, 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 Siva Rama Krishna Marri accept Medicare assignment?
Medicare's clinician data says Siva Rama Krishna Marri may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Siva Rama Krishna Marri see?
In 2024, CMS data shows 294 Original Medicare patients and 765 services for Siva Rama Krishna Marri. This counts Original Medicare only and measures volume, not quality.
What is Siva Rama Krishna Marri's NPI number?
1366755126. 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 Siva Rama Krishna Marri, 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 patients294
Services billed to Medicare765
Different services or procedures26
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Critical care, first 30-74 minutes (99291)403 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)208 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)22 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)13 services
  5. Emergent insertion of breathing tube into windpipe using an endoscope (31500)12 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%
  • Heart failure60%
  • Anxiety52%
  • Arthritis51%
  • Diabetes50%

Hospitals where Siva Rama Krishna Marri works

Medicare's Facility Affiliation Data lists Siva Rama Krishna Marri 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 Siva Rama Krishna Marri is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.

Group practices

Medicare enrollment lists Siva Rama Krishna Marri as a member of these groups (CMS data updated October 2, 2026).

  • Seton Family of Doctors792 clinicians in the group
  • Central Texas Community Health Centers173 clinicians in the group
  • Providence Health and Services Oregon170 clinicians in the group
  • Sound Physicians Intensivists of Washington PLLC84 clinicians in the group
  • Usacs Critical Care Medicine Services of Texas PLLC75 clinicians in the group
  • Waukegan Clinic Corp56 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Oregon →

Other pulmonologists in Medford

Clinicians with the same Medicare primary specialty in Medford, OR — not a recommendation.

All pulmonologists in Medford →

Other clinicians in Seton Family of Doctors

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1366755126
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