JAMES W BAKER MD LLC
NPI 1225207178
Allergy & Immunology in Portland, OR

Active since February 25, 2008
9495 SW LOCUST ST STE A, PORTLAND, OR 97223(503) 636-9011(503) 636-3952 Get Directions Write a Review

NPPES record last updated: July 28, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About James W Baker Md Llc NPPES

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

JAMES W BAKER MD LLC (NPI 1225207178) is a healthcare organization registered as an allergy & immunology in Portland, Oregon and active in the NPI registry since February 2008. The organization lists Cindy M Madden, Administrator, as its authorized official.

NPPES Registry Identity

NPI1225207178
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameJAMES W BAKER MD LLC
Location Address9495 SW LOCUST ST STE APortland, OR 97223-6683
Mailing Address9495 Sw Locust St Ste APortland, OR 97223-6683 · (503) 636-9011 · Fax (503) 636-3952
Fax(503) 636-3952
Organization SubpartNo
Authorized OfficialCindy M MaddenAdministrator · (503) 505-5937
Enumeration DateFebruary 25, 2008
Last NPPES UpdateJuly 28, 2015
✔ NPI 1225207178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in OR · MD08914
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedSpecialistTaxonomy 174400000X · License MD08914 (OR)
Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License MD08914 (OR)
Also ListedDermatologyTaxonomy 207N00000X · License MD08916 (OR)
9495 SW LOCUST ST STE A, Portland, OR 97223

Other Identifiers 1

Medicare PINR149100OR

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James W Baker Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to James W Baker MD LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Allergy/Immunology
NPI 1710982293
9495 SW LOCUST ST STE A
Portland, OR 97223
(503) 636-9011
✔ PECOS✔ Accepts MedicareSame address
Allergy/Immunology
NPI 1609093871
9495 SW LOCUST ST STE A
Portland, OR 97223
(503) 636-9011
✔ PECOS✔ Accepts MedicareSame address
Allergy/Immunology
NPI 1326364753
19185 SW 90TH AVE
Tualatin, OR 97062
(503) 813-2000
✔ PECOS✔ Accepts Medicare4.5 mi

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

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 James W Baker MD LLC's NPI number?

The NPI number for James W Baker MD LLC is 1225207178. It was assigned to this organization in the NPPES registry on February 25, 2008.

Where is James W Baker MD LLC located?

James W Baker MD LLC is located at 9495 SW Locust St Ste A, Portland, OR 97223. The listed phone number is (503) 636-9011.

What is James W Baker MD LLC's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is James W Baker MD LLC enrolled in Medicare?

Yes. James W Baker MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through James W Baker MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Allergy/Immunology, reassign their Medicare billing to James W Baker MD LLC. A 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 the clinician's services. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does James W Baker MD LLC accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list James W Baker MD LLC 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 James W Baker MD LLC was last updated on July 28, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.