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DR. SILAS CARDWELL III MD
NPI 1891229233
Anesthesiology in Portland, OR

Active since April 12, 2017PECOS EnrolledAccepts Medicare Assignment
86.06/100
CMS Quality Rating
707 SW WASHINGTON ST STE 700, PORTLAND, OR 97205(503) 299-9906(503) 225-9002 Get Directions Write a Review

NPPES record last updated: August 27, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 27, 2021, Apr 12, 2017 (2 updates tracked since 2017).

About Dr. Silas Cardwell Iii Md NPPES

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

DR. SILAS CARDWELL III MD (NPI 1891229233) is an individual anesthesiology provider in Portland, Oregon, licensed in Oregon (MD205792) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Providence Portland Medical Center, and is a graduate of University Of Michigan Medical School (2017).

NPPES Registry Identity

NPI1891229233
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. SILAS CARDWELL IIICredential: MD
Location Address707 SW WASHINGTON ST STE 700Portland, OR 97205-3523
Mailing AddressPo Box 35147Seattle, WA 98124-5147
Phone(503) 299-9906
Fax(503) 225-9002
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2017
Enumeration DateApril 12, 2017
Last NPPES UpdateAugust 27, 20212 updates tracked since enumeration
NPPES CertifiedAugust 27, 2021
✔ NPI 1891229233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in OR · MD205792
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
707 SW WASHINGTON ST STE 700, Portland, OR 97205
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Silas Cardwell Iii 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 ID7416220512
PECOS Enrollment IDI20210819003903
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 Silas Cardwell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hospitalist Medicine Physicians Of Washington - Tcs
3.3 mi
Anesthesiology
4805 NE GLISAN ST
Portland, OR 97213
  • Reassigned Medicare billing, Oregon enrollment
  • 419 clinicians in this Medicare group
NPI 1649816380 (503) 215-1111

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

Hospital Affiliations CMS Care Compare

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

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90
Improvement Activities40
Cost71.87

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.

DR. JUSTIN DAVID RAMOS MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
MICHAEL BERNARD MILLER
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
THOMAS THIEN-AN HOANG MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
WARREN SPITZ MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
ALBARAA HAMID M.D.
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
THOMAS ABBATIELLO
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
DR. JAN-PABLO GEORG LEWIS KOLLMAR MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
SHAUN DISNEY
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906

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 Silas Cardwell's NPI number?

The NPI number for Silas Cardwell is 1891229233. It was assigned to this individual provider in the NPPES registry on April 12, 2017.

Where is Silas Cardwell located?

Silas Cardwell practices at 707 SW Washington St Ste 700, Portland, OR 97205. The listed phone number is (503) 299-9906.

What is Silas Cardwell's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Silas Cardwell enrolled in Medicare?

Yes. Silas Cardwell 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.

Which organization bills Medicare for Silas Cardwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Silas Cardwell reassigns Medicare benefits to Hospitalist Medicine Physicians Of Washington - Tcs (Portland, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Silas Cardwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Silas Cardwell affiliated with any hospitals?

According to CMS data, Silas Cardwell is affiliated with Providence Portland Medical Center.

When was this NPI record last updated?

The NPPES record for Silas Cardwell was last updated on August 27, 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.