James W. Baker, MD
Allergy & Immunology Physician · Portland, OR
James W. Baker, MD is an allergy & immunology physician with a practice address in Portland, Oregon, and NPI 1710982293, issued on Jun 20, 2005. Check the license (Oregon MD08914, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- James W. Baker
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- MD08914 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9495 SW Locust St Ste A, Portland, OR 97223
- Phone
- (503) 636-9011
- Enumerated
- Jun 20, 2005
- Record last updated
- Jul 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (503) 636-3952
- Medicare enrollment
- Enrolled (PECOS I20060908000038); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1970
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 43 in Oregon → Look up another NPI →
Also registered at 9495 SW Locust St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janice Chussil, ANPSpecialist1790997898
- Benjamin Ehst, M.D., PH.D.Dermatology Physician1740320068
- Julie Hong, M.D.Allergy & Immunology Physician1609093871
- Michael Noonan, MDAllergy & Immunology Physician1124166244
Verify James W. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD08914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average allergy & immunology physician in 2024
1,626 Medicare Part D claims for 272 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Montelukast Sodium156 claims
- Arnuity Ellipta105 claims
- Azelastine Hcl101 claims
- Albuterol Sulfate Hfa96 claims
- Xolair72 claims
- Fluticasone-Salmeterol71 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $681.55
24 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- James W Baker MD LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James W. Baker among 43 allergy & immunology physician records in Oregon
James W. Baker, MD is one of 43 allergy & immunology physician records with a practice address in Oregon. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1970 · median 2005 among the 23 with a school on file
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Oregon
There are 43 allergy & immunology physician records in Oregon.
All 43 in Oregon → Every provider in Portland → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Michael Barrett, M.D.Tigard, OR 972231497868145
- Julie Hong, M.D.Portland, OR 972231609093871
- Michael Noonan, MDPortland, OR 972231124166244
- Michael Osborne, M.D.Portland, OR 972211225196421
- Kenneth Ettinger, M.D.Portland, OR 972271972617330
- Justin Treat, DOPortland, OR 972271801826516
- Kursteen Price, MDPortland, OR 972101437154226
- Clifford Anderson, MDPortland, OR 972091013913409
Common questions
What is James W. Baker, MD's NPI number?
James W. Baker, MD's National Provider Identifier (NPI) is 1710982293, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James W. Baker, MD located?
The NPPES record lists a practice address at 9495 SW Locust St Ste A, Portland, OR, 97223. Phone: (503) 636-9011. Providers update this record themselves, so call before visiting.
How can I verify James W. Baker, MD's license?
NPPES lists Oregon license number MD08914, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James W. Baker, MD prescribe under Medicare Part D?
In 2024, James W. Baker, MD had 1,626 Medicare Part D claims for 272 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.