CLAYTON JAMES CARNAHAN PA-C
NPI 1700034907
Physician Assistant - Surgical in Portland, OR

Q: What is Clayton Carnahan's NPI number?

The NPI number for Clayton Carnahan is 1700034907. It was assigned to this individual provider in the NPPES registry on September 3, 2008. The provider is also known as Clayton James Briggs-Carnahan Pa-C.

Q: What is Clayton Carnahan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Q: When was this NPI record last updated?

The NPPES record for Clayton Carnahan was last updated on May 23, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since September 03, 2008PECOS EnrolledAccepts Medicare Assignment

52.97/100

CMS Quality Rating

11782 SW BARNES RD, SUITE 300, PORTLAND, OR 97225(503) 214-5200(503) 906-6613 Get Directions Write a Review

NPPES record last updated: May 23, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 23, 2022, Jun 3, 2021, Nov 30, 2015 (3 updates tracked since 2015).

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About Clayton James Carnahan Pa-c NPPES

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

CLAYTON JAMES CARNAHAN PA-C (NPI 1700034907) is an individual surgical provider in Portland, Oregon, licensed in Oregon (PA01387) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and maintains a secondary practice location in Beaverton.

NPPES Registry Identity

NPI1700034907

Entity TypeIndividualMale

Primary Taxonomy363AS0400X

Provider Legal NameCLAYTON JAMES CARNAHANCredential: PA-C

Location Address11782 SW BARNES RD, SUITE 300Portland, OR 97225-5914

Mailing Address11782 Sw Barnes Rd, Suite 300Portland, OR 97225-5914 · (503) 214-5200 · Fax (503) 906-6613

Phone(503) 214-5200

Fax(503) 906-6613

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateSeptember 3, 2008

Last NPPES UpdateMay 23, 20223 updates tracked since enumeration

NPPES CertifiedMay 23, 2022

✔ NPI 1700034907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in OR · PA01387

Also ListedPhysician AssistantTaxonomy 363A00000X · License PA01387 (OR)

11782 SW BARNES RD, Portland, OR 97225

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Other Names 1

Former Name (1)Clayton James Briggs-carnahan Pa-c

Secondary Practice Location 1

Location 114795 SW Murray Scholls Dr Ste 109Beaverton, OR 97007-9230 · Phone (503) 906-4301 · Fax (503) 906-6613

Other Identifiers 2

OtherPA01387OR · Pa License

Medicaid500608548OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Providence Health Plan, Regence BlueCross BlueShield of Oregon.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

Clayton James Carnahan 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 ID1658439898

PECOS Enrollment IDI20081017000330

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 14

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

368 services28 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

125 services83 patients

Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose J7324

Orthovisc is a treatment involving injections of a substance called hyaluronan into your joints. Hyaluronan is a natural substance in your joint fluid that aids in movement and reduces pain. The Orthovisc injections help replenish this substance, relieving joint pain.

117 services59 patients

X-ray of hip, 1 view 73501

An X-ray of the hip, 1 view, is a quick, painless test where a small amount of radiation is used to produce images of the hip joint. This helps in diagnosing conditions like arthritis or fractures. You'll be positioned so that the X-ray machine can capture the best image of your hip.

60 services59 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.

47 services44 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

41 services32 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

35 services35 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

29 services28 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

29 services29 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

22 services17 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

21 services21 patients

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.

20 services18 patients

X-ray of both hips, 2 views 73521

An X-ray of both hips, 2 views, is an imaging test that uses a small amount of radiation to create detailed pictures of your hip joints. This procedure helps to detect fractures, infections, or other abnormalities in the hip area. Two different angles will be captured for a comprehensive assessment.

15 services15 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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 Seaside Hospital

Critical Access Hospitals · Seaside, OR

OwnershipVoluntary non-profit - Church

CMS Certification Number381303

Location725 S Wahanna RoadSeaside, OR 97138 · Clatsop 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.

52.97/100

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

Scored as part of a group practice

Quality

52.3

Promoting Interoperability

Improvement Activities

Cost

86.78

Reported Quality Measures

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

99%673 patients4/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

68%127 patients3/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period

98%347 patients4/55-star benchmark: 99%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

90%20 patients5/55-star benchmark: 88%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

96%464 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

90%701 patients4/55-star benchmark: 99%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

62%348 patients3/55-star benchmark: 90%

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

53%216 patients3/55-star benchmark: 88%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

87%701 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

57%701 patients4/55-star benchmark: 59%

Use of High-Risk Medications in the Elderly

Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.

Lower rates are better for this measure.

Patients 2+: 0% · 348 patients

2%348 patients4/55-star benchmark: 100%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

16%701 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

MR. MICHAEL D MONETA MD

Anesthesiology

11782 SW BARNES RD, BLDG C #200
PORTLAND, OR 97225

Washington County (503) 906-4300

MR. DALE L NUNEZ MD

Anesthesiology

11782 SW BARNES RD, BLDG C #200
PORTLAND, OR 97225

Washington County (503) 906-4300

MICHAEL D MONETA MD PC

Anesthesiology

11782 SW BARNES RD, BLDG C #200
PORTLAND, OR 97225

Washington County (503) 906-4300

DALE L NUNEZ MD PC

Anesthesiology

11782 SW BARNES RD, BLDG C #200
PORTLAND, OR 97225

Washington County (503) 906-4300

THELMA J MAYS MD

Anesthesiology

11782 SW BARNES RD, BLDG C 200
PORTLAND, OR 97225

Washington County (503) 906-4300

KATRINA KELLAR ATC, OTC

Technician, Other

11782 SW BARNES RD
PORTLAND, OR 97225

Washington County (503) 214-5200

THELMA JEAN MAYS MD PC

Anesthesiology

11782 SW BARNES RD, BLDG C 200
PORTLAND, OR 97225

Washington County (503) 906-4300

DR. ILMAR SOOT M.D.

Specialist

11782 SW BARNES RD, STE 300
PORTLAND, OR 97225

Washington County (503) 214-5200

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 Clayton Carnahan's NPI number?

The NPI number for Clayton Carnahan is 1700034907. It was assigned to this individual provider in the NPPES registry on September 3, 2008. The provider is also known as Clayton James Briggs-Carnahan Pa-C.

Where is Clayton Carnahan located?

Clayton Carnahan practices at 11782 SW Barnes Rd Suite 300, Portland, OR 97225. The listed phone number is (503) 214-5200.

What is Clayton Carnahan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Clayton Carnahan enrolled in Medicare?

Yes. Clayton Carnahan 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 Clayton Carnahan accept?

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

According to CMS data, Clayton Carnahan is affiliated with Providence St Vincent Medical Center and Providence Seaside Hospital.

When was this NPI record last updated?

The NPPES record for Clayton Carnahan was last updated on May 23, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.