DR. RISHI RATTAN MD
NPI 1659507523
Surgery - Surgical Critical Care in Portland, OR
About Dr. Rishi Rattan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RISHI RATTAN MD (NPI 1659507523) is an individual surgical critical care provider in Portland, Oregon, licensed in Oregon (MD213584) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2009).
NPPES Registry Identity
Specialties & Licenses 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Rishi Rattan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Rishi Rattan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97210
- Reassigned Medicare billing, Oregon enrollment
- 1,248 clinicians in this Medicare group
Naples, FL 34103
- Reassigned Medicare billing, Florida enrollment
- 3,639 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Legacy Emanuel Medical Center
Acute Care Hospitals · Portland, ORProvidence Seaside Hospital
Critical Access Hospitals · Seaside, ORMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97227
PORTLAND, OR 97227
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 Rishi Rattan's NPI number?
The NPI number for Rishi Rattan is 1659507523. It was assigned to this individual provider in the NPPES registry on June 5, 2009.
Where is Rishi Rattan located?
Rishi Rattan practices at 300 N Graham St Ste 125, Portland, OR 97227. The listed phone number is (503) 413-3714.
What is Rishi Rattan's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Rishi Rattan enrolled in Medicare?
Yes. Rishi Rattan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Rishi Rattan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rishi Rattan reassigns Medicare benefits to 2 organizations: Legacy Clinics LLC (Portland, OR) and University Of Miami (Naples, FL). 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 Rishi Rattan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rishi Rattan accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Rishi Rattan 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 Rishi Rattan affiliated with any hospitals?
According to CMS data, Rishi Rattan is affiliated with Legacy Emanuel Medical Center and Providence Seaside Hospital.
When was this NPI record last updated?
The NPPES record for Rishi Rattan was last updated on May 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Rishi Rattan, MD · NPI 1659507523
Surgical Critical Care physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since June 5, 2009.
## Identity
- **NPI:** 1659507523 (Entity type: Individual)
- **Enumerated:** June 5, 2009
- **Primary specialty:** Surgery - Surgical Critical Care · taxonomy 2086S0102X
- **State license:** MD213584 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 N GRAHAM ST STE 125, Portland, OR 97227-1683
- **Phone:** (503) 413-3714 · **Fax:** (503) 413-2061
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Legacy Clinics LLC (NPI 1902827272, Portland, OR); University Of Miami (NPI 1295279586, Naples, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2009
## Record status
- **NPPES last updated:** May 9, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1659507523) · Data from the CMS NPPES public registry.