Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AYA MOHAMMED MD
NPI 1487820395
Internal Medicine - Nephrology in Seattle, WA

Q: What is Aya Mohammed's NPI number?

The NPI number for Aya Mohammed is 1487820395. It was assigned to this individual provider in the NPPES registry on May 1, 2008.

Q: What is Aya Mohammed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Aya Mohammed was last updated on October 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.

Active since May 01, 2008PECOS Enrolled

1124 COLUMBIA ST STE 600, SEATTLE, WA 98104(206) 386-3660(206) 386-3644 Get Directions Write a Review

NPPES record last updated: October 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Aya Mohammed Md NPPES

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

AYA MOHAMMED MD (NPI 1487820395) is an individual nephrology provider in Seattle, Washington, licensed in Washington (MD70141290) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487820395

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameAYA MOHAMMEDCredential: MD

Location Address1124 COLUMBIA ST STE 600Seattle, WA 98104-2046

Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476

Phone(206) 386-3660

Fax(206) 386-3644

Sole ProprietorYes

Enumeration DateMay 1, 2008

Last NPPES UpdateOctober 30, 2026

NPPES CertifiedOctober 30, 2026

✔ NPI 1487820395 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in WA · MD70141290

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1124 COLUMBIA ST STE 600, Seattle, WA 98104

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aya Mohammed 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 Aya Mohammed reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Swedish Health Services

0.4 mi

Internal Medicine

800 5TH AVE, STE 600
Seattle, WA 98104

Reassigned Medicare billing, Washington enrollment
1,270 clinicians in this Medicare group

NPI 1689612954 (206) 320-2700

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 98104 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

$143.76 typical visit price

range $63.67 – $189.37

Typical copayment $35.94 (range $15.91 – $47.34)

Most-billed visit code 99204

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

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 17

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

PATRICIA KEMERLEY ARNP

Nurse Practitioner

1124 COLUMBIA ST STE 600
SEATTLE, WA 98104

King County (206) 386-3660

MRS. LAUREN ELIZABETH KENNEY-CROWELL ARNP

Nurse Practitioner

1124 COLUMBIA ST STE 600
SEATTLE, WA 98104

King County (206) 386-3660

ANGELA MARIE JOHNSTON ARNP

Nurse Practitioner

1124 COLUMBIA ST STE 600
SEATTLE, WA 98104

King County (206) 386-3660

ANNA G HAMPTON PHARMD

Pharmacist

1124 COLUMBIA ST STE 600
SEATTLE, WA 98104

King County (206) 215-6238

DR. GLEN ADRIAN LUTCHMAN MD, MHSC

Internal Medicine (Transplant Hepatology)

1124 COLUMBIA ST STE 600
SEATTLE, WA 98104

King County (206) 386-3660

ANDREW F. PRECHT M.D.

Surgery

1124 COLUMBIA ST STE 600, SWEDISH ORGAN TRANSPLANT
SEATTLE, WA 98104

King County (206) 386-2448

ARYN NOEL ROBELIA ARNP

Nurse Practitioner

1124 COLUMBIA ST STE 600
SEATTLE, WA 98104

King County (206) 386-3660

CHANDRASEKAR SANTHANAKRISHNAN MD, MPH

Transplant Surgery

1124 COLUMBIA ST STE 600
SEATTLE, WA 98104

King County (206) 386-3660

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 Aya Mohammed's NPI number?

The NPI number for Aya Mohammed is 1487820395. It was assigned to this individual provider in the NPPES registry on May 1, 2008.

Where is Aya Mohammed located?

Aya Mohammed practices at 1124 Columbia St Ste 600, Seattle, WA 98104. The listed phone number is (206) 386-3660.

What is Aya Mohammed's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Aya Mohammed enrolled in Medicare?

Yes. Aya Mohammed is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Aya Mohammed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aya Mohammed reassigns Medicare benefits to Swedish Health Services (Seattle, WA). 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 Aya Mohammed'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 Aya Mohammed was last updated on October 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.