THOMAS B KNOWLES MD
NPI 1114337466
Surgery in Portland, OR

Q: What is Thomas Knowles's NPI number?

The NPI number for Thomas Knowles is 1114337466. It was assigned to this individual provider in the NPPES registry on May 7, 2014.

Q: What is Thomas Knowles's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Knowles was last updated on August 27, 2020. 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.

Active since May 07, 2014PECOS EnrolledAccepts Medicare Assignment

86.03/100

CMS Quality Rating

1130 NW 22ND AVE STE 500, PORTLAND, OR 97210(503) 413-5725 Get Directions Write a Review

NPPES record last updated: August 27, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 27, 2020, Aug 15, 2019, May 22, 2019 (3 updates tracked since 2019).

On this page

About Thomas B Knowles Md NPPES

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

THOMAS B KNOWLES MD (NPI 1114337466) is an individual surgery provider in Portland, Oregon, licensed in Washington (MD60946286) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1114337466

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameTHOMAS B KNOWLESCredential: MD

Location Address1130 NW 22ND AVE STE 500Portland, OR 97210-2976

Mailing Address1130 Nw 22nd Ave Ste 500Portland, OR 97210-2976 · (503) 413-5725 · Fax (503) 413-5726

Phone(503) 413-5725

Sole ProprietorNo

Medical School CMSCreighton University School Of MedicineGraduated 2014

Enumeration DateMay 7, 2014

Last NPPES UpdateAugust 27, 20203 updates tracked since enumeration

NPPES CertifiedAugust 27, 2020

✔ NPI 1114337466 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in WA · MD60946286✔ Licensed in OR · MD198666

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

1130 NW 22ND AVE STE 500, Portland, OR 97210

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Secondary Practice Location 1

Location 11101 Madison St, Ste 900Seattle, WA 98104-1347 · Phone (206) 215-6800 · Fax (206) 215-6801

Other Identifiers 1

Medicaid1114337466WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.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

Thomas B Knowles 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 ID3678790425

PECOS Enrollment IDI20200706002661

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 6

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.

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.

58 services58 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

51 services21 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.

42 services37 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

31 services31 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

20 services18 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

19 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Legacy Emanuel Medical Center

Acute Care Hospitals · Portland, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380007

Location2801 N Gantenbein AvenuePortland, OR 97227 · Multnomah County

Emergency services Birthing friendly

Legacy Good Samaritan Medical Center

Acute Care Hospitals · Portland, OR

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380017

Location1015 NW 22nd Avenue, W121Portland, OR 97210 · Multnomah County

Emergency services Birthing friendly

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

Legacy Meridian Park Medical Center

Acute Care Hospitals · Tualatin, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380089

Location19300 SW 65th AvenueTualatin, OR 97062 · Washington County

Emergency services Birthing friendly

Legacy Salmon Creek Medical Center

Acute Care Hospitals · Vancouver, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500150

Location2211 NE 139th StreetVancouver, WA 98686 · Clark County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97210 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.

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.

86.03/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

77.8

Promoting Interoperability

Improvement Activities

Cost

74.15

Other Providers at the Same Location NPPES 2

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

WAN XING HONG

Surgery

1130 NW 22ND AVE STE 500
PORTLAND, OR 97210

Multnomah County (503) 413-5725

YEN-YI JUO M.D.

Surgery

1130 NW 22ND AVE STE 500
PORTLAND, OR 97210

Multnomah County (503) 413-5725

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 Thomas Knowles's NPI number?

The NPI number for Thomas Knowles is 1114337466. It was assigned to this individual provider in the NPPES registry on May 7, 2014.

Where is Thomas Knowles located?

Thomas Knowles practices at 1130 NW 22nd Ave Ste 500, Portland, OR 97210. The listed phone number is (503) 413-5725.

What is Thomas Knowles's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Thomas Knowles enrolled in Medicare?

Yes. Thomas Knowles 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 Thomas Knowles accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Thomas Knowles 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 Thomas Knowles affiliated with any hospitals?

According to CMS data, Thomas Knowles is affiliated with Legacy Emanuel Medical Center, Legacy Good Samaritan Medical Center, Legacy Mount Hood Medical Center, Legacy Meridian Park Medical Center and Legacy Salmon Creek Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Knowles was last updated on August 27, 2020. 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.