DR. AARON ISAMU KARLEN M.D., J.D.
NPI 1104184415
Orthopaedic Surgery - Hand Surgery in Salem, OR

Q: What is Aaron Karlen's NPI number?

The NPI number for Aaron Karlen is 1104184415. It was assigned to this individual provider in the NPPES registry on April 25, 2012.

Q: What is Aaron Karlen's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.

Q: When was this NPI record last updated?

The NPPES record for Aaron Karlen was last updated on June 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 April 25, 2012PECOS EnrolledAccepts Medicare Assignment

66.78/100

CMS Quality Rating

1600 STATE ST, SALEM, OR 97301(503) 540-6300 Get Directions Write a Review

NPPES record last updated: June 10, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 10, 2019, Apr 25, 2019, Aug 15, 2018 (3 updates tracked since 2018).

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About Dr. Aaron Isamu Karlen M.d., J.d. NPPES

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

DR. AARON ISAMU KARLEN M.D., J.D. (NPI 1104184415) is an individual hand surgery provider in Salem, Oregon, licensed in Oregon (MD187069) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Salem Hospital, and maintains a secondary practice location in Keizer.

NPPES Registry Identity

NPI1104184415

Entity TypeIndividualMale

Primary Taxonomy207XS0106X

Provider Legal NameDR. AARON ISAMU KARLENCredential: M.D., J.D.

Location Address1600 STATE STSalem, OR 97301

Mailing Address1600 State StSalem, OR 97301-4257 · (503) 540-6300 · Fax (503) 540-6404

Phone(503) 540-6300

Sole ProprietorYes

Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2012

Enumeration DateApril 25, 2012

Last NPPES UpdateJune 10, 20193 updates tracked since enumeration

✔ NPI 1104184415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Hand SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XS0106X

License✔ Licensed in OR · MD187069

Definition

An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1600 STATE ST, Salem, OR 97301

Open in Google Maps ↗

Secondary Practice Location 1

Location 15825 Shoreview Ln NKeizer, OR 97303-3978 · Phone (503) 540-6471 · Fax (503) 540-6404

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente, Moda Health Plan, Inc., Providence Health Plan.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

Dr. Aaron Isamu Karlen M.d., J.d. 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 ID6305140120

PECOS Enrollment IDI20180815000417

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 10

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, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

100 services44 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.

92 services92 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.

79 services66 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.

71 services60 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

45 services31 patients

Injection into tendon or ligament 20550

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

31 services30 patients

Hospital Affiliations CMS Care Compare

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

Salem Hospital

Acute Care Hospitals · Salem, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number380051

Location890 Oak Street, SESalem, OR 97301 · Marion County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97301 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

$84.82 typical visit price

range $54.96 – $166.64

Typical copayment $21.20 (range $13.74 – $41.66)

Most-billed visit code 99203

Established Patient

$68.64 typical visit price

range $17.68 – $136.19

Typical copayment $17.16 (range $4.42 – $34.04)

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.

66.78/100

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

Individually scored

Quality

60.92

Improvement Activities

Reported Quality Measures

Advance Care Plan

100%374 patients5/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

93%1,697 patients3/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

67%1,004 patients3/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 96% · 710 patients

Patients screened: 100% · 710 patients

69%105 patients3/55-star benchmark: 100%

Tobacco Use and Help with Quitting Among Adolescents

99%70 patients4/55-star benchmark: 100%

Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older

100%239 patients5/55-star benchmark: 100%

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.

ALLISON ROE MITCHELL MD

Orthopaedic Surgery (Hand Surgery)

1600 STATE ST
SALEM, OR 97301

Marion County (503) 540-6300

ANDREW JOSEPH HADEED DO

Orthopaedic Surgery

1600 STATE ST
SALEM, OR 97301

Marion County (503) 540-6300

MR. KEVIN A BELL PA-C

Physician Assistant (Surgical)

1600 STATE ST
SALEM, OR 97301

Marion County (503) 540-6300

MR. CURT CARLTON STILP PA-C

Physician Assistant

1600 STATE ST
SALEM, OR 97301

Marion County (503) 540-6300

CALLEN MARX DPT

Physical Therapist

1600 STATE ST
SALEM, OR 97301

Marion County (503) 540-6300

GREGORY H. TRAEGER OTR

Occupational Therapist

1600 STATE ST
SALEM, OR 97301

Marion County (503) 540-6478

SUDEEP TAKSALI MD

Orthopaedic Surgery

1600 STATE ST
SALEM, OR 97301

Marion County (503) 540-6300

DR. MAGDALENA JANINA BANASIAK MD

Neurological Surgery

1600 STATE ST
SALEM, OR 97301

Marion County (503) 540-6300

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 Aaron Karlen's NPI number?

The NPI number for Aaron Karlen is 1104184415. It was assigned to this individual provider in the NPPES registry on April 25, 2012.

Where is Aaron Karlen located?

Aaron Karlen practices at 1600 State St, Salem, OR 97301. The listed phone number is (503) 540-6300.

What is Aaron Karlen's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.

Is Aaron Karlen enrolled in Medicare?

Yes. Aaron Karlen 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 Aaron Karlen accept?

Health plans from Kaiser Permanente, Moda Health Plan, Inc. and Providence Health Plan list Aaron Karlen 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 Aaron Karlen affiliated with any hospitals?

According to CMS data, Aaron Karlen is affiliated with Salem Hospital.

When was this NPI record last updated?

The NPPES record for Aaron Karlen was last updated on June 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.