DR. SIVA RAMA KRISHNA MARRI M.D.
NPI 1366755126
Internal Medicine - Pulmonary Disease in Medford, OR
About Dr. Siva Rama Krishna Marri M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIVA RAMA KRISHNA MARRI M.D. (NPI 1366755126) is an individual pulmonary disease provider in Medford, Oregon, licensed in Oregon (MD180848) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Vista Medical Center East, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Siva Rama Krishna Marri M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
9Medicare enrollment records show Siva Marri reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Medford, OR 97504
- Reassigned Medicare billing, Oregon enrollment
- 181 clinicians in this Medicare group
Spokane, WA 99204
- Reassigned Medicare billing, Oregon enrollment
- 82 clinicians in this Medicare group
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 123 clinicians in this Medicare group
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 104 clinicians in this Medicare group
Round Rock, TX 78665
- Reassigned Medicare billing, Texas enrollment
- 89 clinicians in this Medicare group
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- 1,188 clinicians in this Medicare group
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- 240 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 clinicians in this Medicare group
Waukegan, IL 60085
- Reassigned Medicare billing, Illinois enrollment
- 166 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Vista Medical Center East
Acute Care Hospitals · Waukegan, ILProvidence Medford Medical Center
Acute Care Hospitals · Medford, ORAscension Seton Northwest
Acute Care Hospitals · Austin, TXAscension Seton Williamson
Acute Care Hospitals · Round Rock, TXCedar Park Regional Medical Center
Acute Care Hospitals · Cedar Park, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MEDFORD, OR 97504
MEDFORD, OR 97504
MEDFORD, OR 97504
MEDFORD, OR 97504
MEDFORD, OR 97504
MEDFORD, OR 97504
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Siva Marri's NPI number?
The NPI number for Siva Marri is 1366755126. It was assigned to this individual provider in the NPPES registry on July 22, 2010.
Where is Siva Marri located?
Siva Marri practices at 1698 E Mcandrews Rd Ste 400, Medford, OR 97504. The listed phone number is (541) 732-7960.
What is Siva Marri's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Siva Marri enrolled in Medicare?
Yes. Siva Marri is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Siva Marri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Siva Marri reassigns Medicare benefits to 9 organizations: Providence Health & Services Oregon (Medford, OR), Sound Physicians Intensivists Of Washington PLLC (Spokane, WA), Timberland Medical Group (Cedar Park, TX), Usacs Critical Care Medicine Services Of Texas, PLLC (Cedar Park, TX), Austin Critical Care Specialists PA (Round Rock, TX) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Siva Marri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Siva Marri accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 10 other insurers list Siva Marri as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Siva Marri affiliated with any hospitals?
According to CMS data, Siva Marri is affiliated with Vista Medical Center East, Providence Medford Medical Center, Ascension Seton Northwest, Ascension Seton Williamson and Cedar Park Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Siva Marri was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Siva Rama Krishna Marri, M.D. · NPI 1366755126
Pulmonary Disease physician in Medford, Oregon. Individual provider, active in the CMS NPPES registry since July 22, 2010.
## Identity
- **NPI:** 1366755126 (Entity type: Individual)
- **Enumerated:** July 22, 2010
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** MD180848 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 1698 E MCANDREWS RD STE 400, Medford, OR 97504-5590
- **Phone:** (541) 732-7960
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Providence Health & Services Oregon (NPI 1093894511, Medford, OR); Sound Physicians Intensivists Of Washington PLLC (NPI 1528582699, Spokane, WA); Timberland Medical Group (NPI 1528061157, Cedar Park, TX); Usacs Critical Care Medicine Services Of Texas, PLLC (NPI 1023522554, Cedar Park, TX); Austin Critical Care Specialists PA (NPI 1548445596, Round Rock, TX); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** October 20, 2020
- **Other identifiers:** Medicaid 500721239 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1366755126) · Data from the CMS NPPES public registry.