Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARK FRANCIS MAILHOT MD
NPI 1861534075
Internal Medicine in Portland, OR

Active since February 13, 2007PECOS EnrolledAccepts Medicare Assignment
220 NE WEIDLER ST, PORTLAND, OR 97232(314) 888-5233(619) 984-4301 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 25, 2025, Jun 8, 2022 (2 updates tracked since 2022).

About Mark Francis Mailhot Md NPPES

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

MARK FRANCIS MAILHOT MD (NPI 1861534075) is an individual internal medicine provider in Portland, Oregon, licensed in Oregon (MD194698) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Burien, and is a graduate of University Of Pittsburgh School Of Medicine (1997).

NPPES Registry Identity

NPI1861534075
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK FRANCIS MAILHOTCredential: MD
Location Address220 NE WEIDLER STPortland, OR 97232-1121
Mailing Address220 Ne Weidler StPortland, OR 97232-1121 · (314) 888-5233 · Fax (619) 984-4301
Fax(619) 984-4301
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 1997
Enumeration DateFebruary 13, 2007
Last NPPES UpdateJune 30, 20262 updates tracked since enumeration
NPPES CertifiedJune 30, 2026
NPI 1861534075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in OR · MD194698 Licensed in WA · MD.MD.00047492
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
220 NE WEIDLER ST, Portland, OR 97232

Secondary Practice Location 1

Location 114434 Ambaum Blvd SW Ste 5Burien, WA 98166-1438 · Phone (206) 812-6140 · Fax (206) 812-2466

Other Identifiers 1

Medicaid8473431WA

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

Mark Francis Mailhot 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 ID7113020173
PECOS Enrollment IDI20191218001354
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 7

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.
122 services60 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
79 services51 patients
Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
43 services20 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
28 services28 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
26 services26 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.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97232 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
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
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 3

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

Family Medicine
220 NE WEIDLER ST
PORTLAND, OR 97232
Dentist (General Practice)
220 NE WEIDLER ST
PORTLAND, OR 97232
Family Medicine
220 NE WEIDLER ST
PORTLAND, OR 97232

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 Mark Mailhot's NPI number?

The NPI number for Mark Mailhot is 1861534075. It was assigned to this individual provider in the NPPES registry on February 13, 2007.

Where is Mark Mailhot located?

Mark Mailhot practices at 220 NE Weidler St, Portland, OR 97232. The listed phone number is (314) 888-5233.

What is Mark Mailhot's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Mailhot enrolled in Medicare?

Yes. Mark Mailhot 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 Mark Mailhot accept?

Health plans from BridgeSpan Health Company, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Mark Mailhot 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 Mark Mailhot was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.