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ALICIA MERIDITH AHN MD
NPI 1811109283
Internal Medicine in Tualatin, OR

Active since May 05, 2007PECOS Enrolled
19185 SW 90TH AVE, TUALATIN, OR 97062(503) 885-7300 Get Directions Write a Review

NPPES record last updated: June 23, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Alicia Meridith Ahn Md NPPES

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

ALICIA MERIDITH AHN MD (NPI 1811109283) is an individual internal medicine provider in Tualatin, Oregon, licensed in Oregon (MD27759) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811109283
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameALICIA MERIDITH AHNCredential: MD
Location Address19185 SW 90TH AVETualatin, OR 97062-7558
Mailing Address2047 Sw Sunset BlvdPortland, OR 97239-2681 · (503) 244-7293
Phone(503) 885-7300
Sole ProprietorNo
Enumeration DateMay 5, 2007
Last NPPES UpdateJune 23, 2008
✔ NPI 1811109283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD27759
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
19185 SW 90TH AVE, Tualatin, OR 97062
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alicia Meridith Ahn Md 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 Reassignment

Medicare enrollment records show Alicia Ahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Beaverton Rehab & Specialty Care, LLC
6.7 mi
Skilled Nursing Facility
11850 SW ALLEN BLVD
Beaverton, OR 97005
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
  • Also billed through NPI 1871848457 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1366469330 (503) 646-7164

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 97062 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.

MRS. PAM K COCKRELL RPH
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
19185 SW 90TH AVE
TUALATIN, OR 97062
Washington County (866) 280-8818
NIKKI ALKIRE LCSW
Social Worker (Clinical)
19185 SW 90TH AVE
TUALATIN, OR 97062
Washington County (503) 885-5205
RYAN CATE PA
Physician Assistant (Medical)
19185 SW 90TH AVE
TUALATIN, OR 97062
Washington County (503) 813-2000
MR. RON MICHELLE HUNT MASTER DEGREE
Counselor (Mental Health)
19185 SW 90TH AVE
TUALATIN, OR 97062
Washington County (503) 885-5357
MS. MARY E. MORRISON PA-C
Physician Assistant (Medical)
19185 SW 90TH AVE
TUALATIN, OR 97062
Washington County (503) 885-7300
LY TIEU-PYKA PT
Physical Therapist
19185 SW 90TH AVE
TUALATIN, OR 97062
Washington County (503) 885-5360
SARAH BREEZE CCC-SLP
Speech-Language Pathologist
19185 SW 90TH AVE
TUALATIN, OR 97062
Washington County (800) 813-2000
MR. DONALD WILLIAM WISSUSIK M.A., M.S.
Counselor (Addiction (Substance Use Disorder))
19185 SW 90TH AVE
TUALATIN, OR 97062
Washington County (503) 885-7376

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 Alicia Ahn's NPI number?

The NPI number for Alicia Ahn is 1811109283. It was assigned to this individual provider in the NPPES registry on May 5, 2007.

Where is Alicia Ahn located?

Alicia Ahn practices at 19185 SW 90th Ave, Tualatin, OR 97062. The listed phone number is (503) 885-7300.

What is Alicia Ahn's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alicia Ahn enrolled in Medicare?

Yes. Alicia Ahn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alicia Ahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alicia Ahn reassigns Medicare benefits to Beaverton Rehab & Specialty Care, LLC (Beaverton, OR). The 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 Alicia Ahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alicia Ahn was last updated on June 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.