KATHERINE R MAYER MD
NPI 1124354030
Family Medicine in Bellingham, WA

Active since October 28, 2009PECOS EnrolledAccepts Medicare Assignment
220 UNITY ST, BELLINGHAM, WA 98225(360) 676-6177(360) 671-3574 Get Directions Write a Review

NPPES record last updated: August 5, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 5, 2021, Feb 19, 2021 (2 updates tracked since 2021).

About Katherine R Mayer Md NPPES

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

KATHERINE R MAYER MD (NPI 1124354030) is an individual family medicine provider in Bellingham, Washington, licensed in Washington (MD60233372) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1124354030
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameKATHERINE R MAYERCredential: MD
Location Address220 UNITY STBellingham, WA 98225-4420
Mailing Address1616 Cornwall Ave Ste 205Bellingham, WA 98225-4642 · (360) 676-6177 · Fax (360) 671-3574
Fax(360) 671-3574
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2009
Enumeration DateOctober 28, 2009
Last NPPES UpdateAugust 5, 20212 updates tracked since enumeration
NPPES CertifiedAugust 5, 2021
NPI 1124354030 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses Licensed in WA · MD60233372 Licensed in WA · ML 60106813
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
220 UNITY ST, Bellingham, WA 98225

Secondary Practice Location 1

Location 1500 19th Ave ESeattle, WA 98112-4007 · Phone (206) 299-1600 · Fax (206) 299-1608

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

Katherine R Mayer Md 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 ID3870746548
PECOS Enrollment IDI20130104000452
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

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.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
26 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joseph Hospital

Acute Care Hospitals · Bellingham, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number500030
Location2901 Squalicum ParkwayBellingham, WA 98225 · Whatcom County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98225 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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.

Referred Medical Equipment & Supplies CMS DME claims

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

Wheelchair accessory, manual swingaway, retractable or removable mounting hardware for joystick, other control interface or positioning accessory E1028
DME-Wheelchairs · category DD021N
1 supplier23 claims33 services$12.86 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.

Dentist (General Practice)
220 UNITY ST
BELLINGHAM, WA 98225
Counselor (Mental Health)
220 UNITY ST
BELLINGHAM, WA 98225
Physician Assistant
220 UNITY ST
BELLINGHAM, WA 98225
Dietitian, Registered
220 UNITY ST
BELLINGHAM, WA 98225
Family Medicine
220 UNITY ST
BELLINGHAM, WA 98225
Counselor (Mental Health)
220 UNITY ST
BELLINGHAM, WA 98225
Counselor (Mental Health)
220 UNITY ST
BELLINGHAM, WA 98225
Family Medicine
220 UNITY 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 Katherine Mayer's NPI number?

The NPI number for Katherine Mayer is 1124354030. It was assigned to this individual provider in the NPPES registry on October 28, 2009.

Where is Katherine Mayer located?

Katherine Mayer practices at 220 Unity St, Bellingham, WA 98225. The listed phone number is (360) 676-6177.

What is Katherine Mayer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Katherine Mayer enrolled in Medicare?

Yes. Katherine Mayer 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 Katherine Mayer accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Katherine Mayer 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.

Is Katherine Mayer affiliated with any hospitals?

According to CMS data, Katherine Mayer is affiliated with St Joseph Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Mayer was last updated on August 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.