DR. WILLIAM HOWARD ANDERSON M.D.
NPI 1629031752
Allergy & Immunology in Bellingham, WA

Active since April 10, 2006PECOS EnrolledAccepts Medicare Assignment
3130 ELLIS ST, BELLINGHAM, WA 98225(425) 339-5412(360) 363-4750 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Howard Anderson M.d. NPPES

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

DR. WILLIAM HOWARD ANDERSON M.D. (NPI 1629031752) is an individual allergy & immunology provider in Bellingham, Washington, licensed in Washington (MD00031780) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Oregon Health Sciences University School Of Medicine (1988).

NPPES Registry Identity

NPI1629031752
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. WILLIAM HOWARD ANDERSONCredential: M.D.
Location Address3130 ELLIS STBellingham, WA 98225-1904
Mailing AddressPo Box 5127Everett, WA 98206-5127 · (206) 860-5414 · Fax (206) 720-8462
Fax(360) 363-4750
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1988
Enumeration DateApril 10, 2006
Last NPPES UpdateJuly 14, 2025
NPPES CertifiedJuly 14, 2025
NPI 1629031752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License Licensed in WA · MD00031780
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.
3130 ELLIS ST, Bellingham, WA 98225

Secondary Practice Locations 2

Location 19709 3rd Ave NESeattle, WA 98115-2062 · Phone (206) 329-1760
Location 24545 Cordata Pkwy Ste 1CBellingham, WA 98226 · Phone (360) 738-2200 · Fax (360) 752-5689

Other Identifiers 1

Medicaid2069048WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. William Howard Anderson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951340421
PECOS Enrollment IDI20050502000310
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.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
274 services20 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
76 services45 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
61 services61 patients
Gammaglobulin (immune system protein) measurement 82784
Gammaglobulin measurement is a blood test that checks the levels of certain proteins (gammaglobulins) that the body uses to fight infections. High or low levels can indicate various health conditions. It's a simple, quick procedure with minimal discomfort.
41 services12 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
23 services17 patients
Test to measure rate of airflow 94375
This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.
18 services15 patients

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
2 suppliers13 claims1,290 services$0.09 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
3 suppliers12 claims12 services$26.07 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Nurse Practitioner (Family)
3130 ELLIS ST
BELLINGHAM, WA 98225
Physician Assistant
3130 ELLIS ST
BELLINGHAM, WA 98225
Family Medicine
3130 ELLIS ST
BELLINGHAM, WA 98225
Allergy & Immunology
3130 ELLIS ST
BELLINGHAM, WA 98225
Family Medicine
3130 ELLIS ST
BELLINGHAM, WA 98225
Family Medicine
3130 ELLIS ST
BELLINGHAM, WA 98225
Nurse Practitioner (Family)
3130 ELLIS ST
BELLINGHAM, WA 98225
Family Medicine
3130 ELLIS ST
BELLINGHAM, WA 98225

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 William Anderson's NPI number?

The NPI number for William Anderson is 1629031752. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is William Anderson located?

William Anderson practices at 3130 Ellis St, Bellingham, WA 98225. The listed phone number is (425) 339-5412.

What is William Anderson's specialty?

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

Is William Anderson enrolled in Medicare?

Yes. William Anderson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Anderson accept?

Health plans from PacificSource Health Plans list William Anderson 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 William Anderson was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.