MICHELLE MARIE WILLIAMS MD
NPI 1407218472
Neurological Surgery in Portland, OR

Active since March 28, 2016PECOS EnrolledAccepts Medicare Assignment
5050 NE HOYT ST STE 359, PORTLAND, OR 97213(503) 935-8501 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 4, 2025, Oct 2, 2024, Mar 28, 2016 (3 updates tracked since 2016).

About Michelle Marie Williams Md NPPES

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

MICHELLE MARIE WILLIAMS MD (NPI 1407218472) is an individual neurological surgery provider in Portland, Oregon, licensed in Oregon (MD225778) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1407218472
Entity TypeIndividualFemale
Primary Taxonomy207T00000X
Provider Legal NameMICHELLE MARIE WILLIAMSCredential: MD
Location Address5050 NE HOYT ST STE 359Portland, OR 97213-2983
Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2016
Enumeration DateMarch 28, 2016
Last NPPES UpdateAugust 4, 20253 updates tracked since enumeration
NPPES CertifiedAugust 4, 2025
NPI 1407218472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Licenses Licensed in OR · MD225778 Licensed in TX · U7775
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
5050 NE HOYT ST STE 359, Portland, OR 97213

Secondary Practice Location 1

Location 19155 SW Barnes Rd Ste 440Portland, OR 97225-6631 · Phone (503) 935-8500

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

Michelle Marie Williams 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 ID2961797535
PECOS Enrollment IDI20250926000343
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.

Hospital Affiliations CMS Care Compare 4

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

Providence St Vincent Medical Center

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380004
Location9205 SW Barnes RoadPortland, OR 97225 · Washington County
Emergency services Birthing friendly

Providence Willamette Falls Medical Center

Acute Care Hospitals · Oregon City, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380038
Location1500 Division StreetOregon City, OR 97045 · Clackamas County
Emergency services Birthing friendly

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380061
Location4805 NE Glisan StreetPortland, OR 97213 · 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 97213 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
$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 4

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

Neurological Surgery
5050 NE HOYT ST STE 359
PORTLAND, OR 97213
Physician Assistant
5050 NE HOYT ST STE 359
PORTLAND, OR 97213
Physician Assistant (Surgical)
5050 NE HOYT ST STE 359
PORTLAND, OR 97213
Nurse Practitioner (Acute Care)
5050 NE HOYT ST STE 359
PORTLAND, OR 97213

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 Michelle Williams's NPI number?

The NPI number for Michelle Williams is 1407218472. It was assigned to this individual provider in the NPPES registry on March 28, 2016.

Where is Michelle Williams located?

Michelle Williams practices at 5050 NE Hoyt St Ste 359, Portland, OR 97213. The listed phone number is (503) 935-8501.

What is Michelle Williams's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Michelle Williams enrolled in Medicare?

Yes. Michelle Williams 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 Michelle Williams accept?

Health plans from BridgeSpan Health Company, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Michelle Williams 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 Michelle Williams affiliated with any hospitals?

According to CMS data, Michelle Williams is affiliated with Providence St Vincent Medical Center, Providence Willamette Falls Medical Center, Providence Portland Medical Center and Providence Milwaukie Hospital.

When was this NPI record last updated?

The NPPES record for Michelle Williams was last updated on August 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.