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DR. RAMYA RAMRAJ M.D
NPI 1770731671
Pediatrics - Pediatric Gastroenterology in Portland, OR

Active since September 04, 2008PECOS Enrolled
3550 N INTERSTATE AVE, PORTLAND, OR 97227(800) 813-2000 Get Directions Write a Review

NPPES record last updated: November 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Ramya Ramraj M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RAMYA RAMRAJ M.D (NPI 1770731671) is an individual pediatric gastroenterology provider in Portland, Oregon, licensed in Oregon (MD157868) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1770731671
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameDR. RAMYA RAMRAJCredential: M.D
Location Address3550 N INTERSTATE AVEPortland, OR 97227-1196
Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2031
Phone(800) 813-2000
Sole ProprietorYes
Enumeration DateSeptember 4, 2008
Last NPPES UpdateNovember 21, 2025
NPPES CertifiedNovember 21, 2025
✔ NPI 1770731671 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in OR · MD157868
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
Also ListedPediatricsTaxonomy 208000000X · License N1093 (TX)
3550 N INTERSTATE AVE, Portland, OR 97227
Open in Google Maps ↗

Secondary Practice Location 1

Location 12619 Cheshire Oaks DrHouston, TX 77054-6005 · Phone (713) 669-1077

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente, Providence Health Plan.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. Ramya Ramraj M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Ramya Ramraj reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kaiser Foundation Health Plan Of The Northwest
0.1 mi
Oncology, Radiation
3620 N INTERSTATE AVE
Portland, OR 97227
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Also billed through NPI 1184786527 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1093043424 (503) 280-2931
University Professional Services
3.0 mi
Mental Health (Including Community Mental Health Center)
2525 SW FIRST AVE STE 1215
Portland, OR 97201
  • Reassigned Medicare billing, Oregon enrollment
  • 2,212 clinicians in this Medicare group
NPI 1316354970 (503) 494-4745

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97227 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAMES PAUL BRYANT LCSW, CADC 3
Counselor
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 964-0000
ALISON D. ARMOUR PSYD
Psychologist (Clinical)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 813-2000
MS. JESSICA A DUDLEY FNP
Nurse Practitioner (Family)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (503) 746-1575
DANAYA LEE HALL SWHNP
Nurse Practitioner
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (800) 813-2000
MS. JANET LEE MUCKRIDGE RD LD
Dietitian, Registered
3550 N INTERSTATE AVE, NUTRITION DEPARTMENT EAST INTERSTATE
PORTLAND, OR 97227
Multnomah County (503) 286-6871
KAISER FOUNDATION HEALTH PLAN OF THE NORTHWEST
Pharmacy (Managed Care Organization Pharmacy)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (866) 279-6122
COURTNEY JOHNSON LCSW
Social Worker (Clinical)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (800) 813-2000
CHIA NENG VANG RPH
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Multnomah County (866) 279-6122

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 Ramya Ramraj's NPI number?

The NPI number for Ramya Ramraj is 1770731671. It was assigned to this individual provider in the NPPES registry on September 4, 2008.

Where is Ramya Ramraj located?

Ramya Ramraj practices at 3550 N Interstate Ave, Portland, OR 97227. The listed phone number is (800) 813-2000.

What is Ramya Ramraj's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Ramya Ramraj enrolled in Medicare?

Yes. Ramya Ramraj is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ramya Ramraj's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ramya Ramraj reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Northwest (Portland, OR) and University Professional Services (Portland, OR). 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 Ramya Ramraj's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ramya Ramraj accept?

Health plans from Kaiser Permanente and Providence Health Plan list Ramya Ramraj 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.

When was this NPI record last updated?

The NPPES record for Ramya Ramraj was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.