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MICHAEL BARTH PA-C
NPI 1023416906
Physician Assistant in Portland, OR

Active since December 09, 2014PECOS EnrolledAccepts Medicare Assignment
1111 NE 99TH AVE STE 301, PORTLAND, OR 97220(503) 963-2707(503) 963-2802 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 3, 2025, Jan 10, 2017 (2 updates tracked since 2017).

About Michael Barth Pa-c NPPES

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

MICHAEL BARTH PA-C (NPI 1023416906) is an individual physician assistant in Portland, Oregon, licensed in Oregon (PA173220) and active in the NPI registry since December 2014. He is enrolled in Medicare PECOS, is affiliated with Legacy Mount Hood Medical Center, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1023416906
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMICHAEL BARTHCredential: PA-C
Location Address1111 NE 99TH AVE STE 301Portland, OR 97220-9442
Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825
Phone(503) 963-2707
Fax(503) 963-2802
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateDecember 9, 2014
Last NPPES UpdateSeptember 3, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1023416906 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in OR · PA173220
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1111 NE 99TH AVE STE 301, Portland, OR 97220
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Other Identifiers 1

Medicaid500707500OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Providence Health Plan.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

Michael Barth Pa-c 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 ID8628393147
PECOS Enrollment IDI20160913001866
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 3

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.

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.
27 services16 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
17 services12 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Legacy Mount Hood Medical Center

Acute Care Hospitals · Gresham, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380025
Location24800 SE Stark StreetGresham, OR 97030 · Multnomah County
Emergency services Birthing friendly

Providence Milwaukie Hospital

Acute Care Hospitals · Milwaukie, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380082
Location10150 SE 32nd AvenueMilwaukie, OR 97222 · Clackamas County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97220 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
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
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 16

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

DR. BRANDEN DAVID TARLOW MD
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
IAN HOLMES MD
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
DR. GENNADIY BAKIS M.D.
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
TIFFANY LAMBROU M.D.
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
MEGAN CHRISTINA WEST FNP
Nurse Practitioner (Family)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
JENNIFER YEH MD
Internal Medicine (Gastroenterology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
KATHERINE PAMELA RATHBUN CNP
Nurse Practitioner (Gerontology)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707
AARON STEUART COSMAN FNP
Nurse Practitioner (Family)
1111 NE 99TH AVE STE 301
PORTLAND, OR 97220
Multnomah County (503) 963-2707

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 Michael Barth's NPI number?

The NPI number for Michael Barth is 1023416906. It was assigned to this individual provider in the NPPES registry on December 9, 2014.

Where is Michael Barth located?

Michael Barth practices at 1111 NE 99th Ave Ste 301, Portland, OR 97220. The listed phone number is (503) 963-2707.

What is Michael Barth's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Michael Barth enrolled in Medicare?

Yes. Michael Barth 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 Michael Barth accept?

Health plans from Moda Health Plan, Inc. and Providence Health Plan list Michael Barth 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 Michael Barth affiliated with any hospitals?

According to CMS data, Michael Barth is affiliated with Legacy Mount Hood Medical Center and Providence Milwaukie Hospital.

When was this NPI record last updated?

The NPPES record for Michael Barth was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.