DR. MATTHEW LEE WESTERMEYER M.D.
NPI 1811941958
Emergency Medicine in Portland, OR

Q: What is Matthew Westermeyer's NPI number?

The NPI number for Matthew Westermeyer is 1811941958. It was assigned to this individual provider in the NPPES registry on May 22, 2006.

Q: What is Matthew Westermeyer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Active since May 22, 2006PECOS Enrolled

10123 SE MARKET ST, PORTLAND, OR 97216(503) 252-2004 Get Directions Write a Review

NPPES record last updated: April 2, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Matthew Lee Westermeyer M.d. NPPES

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

DR. MATTHEW LEE WESTERMEYER M.D. (NPI 1811941958) is an individual emergency medicine provider in Portland, Oregon, licensed in Oregon (266550) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811941958

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. MATTHEW LEE WESTERMEYERCredential: M.D.

Location Address10123 SE MARKET STPortland, OR 97216-2532

Mailing AddressPo Box 5275Portland, OR 97208-5275 · (888) 828-3196

Phone(503) 252-2004

Sole ProprietorYes

Enumeration DateMay 22, 2006

Last NPPES UpdateApril 2, 2009

✔ NPI 1811941958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in OR · 266550

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

10123 SE MARKET ST, Portland, OR 97216

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Other Identifiers 2

Medicare PINP00329996OR

Medicare PIN134657OR

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Matthew Lee Westermeyer M.d. 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 Matthew Westermeyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwest Acute Care Specialists PC

5.7 mi

Emergency Medicine

101 SW MAIN ST STE 940
Portland, OR 97204

Reassigned Medicare billing, Washington enrollment
108 clinicians in this Medicare group

NPI 1215983200 (503) 464-9034

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

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

246 services240 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

200 services176 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

47 services45 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

39 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97216 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

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

Established Patient

$103.51 typical visit price

range $19.32 – $144.79

Typical copayment $25.87 (range $4.83 – $36.19)

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 20

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

MELISSA CHRISTINE HOSEY RN

Student in an Organized Health Care Education/Training Program