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DR. TIMOTHY STEVEN DUENAS M.D.
NPI 1154525970
Emergency Medicine in Salem, OR

Active since June 14, 2007PECOS EnrolledAccepts Medicare Assignment
890 OAK ST SE BLDG A, SALEM, OR 97301(503) 561-5634(503) 814-1071 Get Directions Write a Review

NPPES record last updated: May 17, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Timothy Steven Duenas M.d. NPPES

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

DR. TIMOTHY STEVEN DUENAS M.D. (NPI 1154525970) is an individual emergency medicine provider in Salem, Oregon, licensed in Oregon (MD151252) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Salem Hospital, and is a graduate of Southern Illinois University School Of Medicine (2007).

NPPES Registry Identity

NPI1154525970
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. TIMOTHY STEVEN DUENASCredential: M.D.
Location Address890 OAK ST SE BLDG ASalem, OR 97301-3905
Mailing Address890 Oak St Se Bldg ASalem, OR 97301-3905 · (503) 561-5634 · Fax (503) 814-1071
Phone(503) 561-5634
Fax(503) 814-1071
Sole ProprietorNo
Medical School CMSSouthern Illinois University School Of MedicineGraduated 2007
Enumeration DateJune 14, 2007
Last NPPES UpdateMay 17, 2013
✔ NPI 1154525970 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in OR · MD151252✔ Licensed in IA · R8251
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
890 OAK ST SE BLDG A, Salem, OR 97301
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Accepted Insurance

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

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. Timothy Steven Duenas M.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 ID7113055534
PECOS Enrollment IDI20100907001045
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 Reassignments

2

Medicare enrollment records show Timothy Duenas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Salem Emergency Physicians Service, PC
Same address
Emergency Medicine
890 OAK STREET, SE BUILDING 'A'
Salem, OR 97301
  • Reassigned Medicare billing, Oregon enrollment
  • 47 clinicians in this Medicare group
NPI 1063454395 (503) 561-5634
Salem Health West Valley
14 mi
Critical Access
525 SE WASHINGTON ST
Dallas, OR 97338
  • Reassigned Medicare billing, Oregon enrollment
  • 254 clinicians in this Medicare group
NPI 1245237486 (503) 623-8301

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

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
145 services145 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
94 services88 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
72 services67 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
27 services26 patients

Hospital Affiliations CMS Care Compare 2

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

West Valley Hospital

Critical Access Hospitals · Dallas, OR
OwnershipVoluntary non-profit - Private
CMS Certification Number381308
Location525 SE Washington StreetDallas, OR 97338 · Polk County
Emergency services

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
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
Most-billed visit code 99214
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 19

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

MR. CHRISTOPHER MICHAEL SIMPSON PA
Physician Assistant
890 OAK ST SE BLDG A
SALEM, OR 97301
Marion County (503) 814-1278
JACOB VANDERSTARRE M.D.
Emergency Medicine
890 OAK ST SE BLDG A
SALEM, OR 97301
Marion County (855) 691-9890
MICHAEL OH M.D.
Emergency Medicine
890 OAK ST SE BLDG A
SALEM, OR 97301
Marion County (503) 814-1278
TYLER O STUTZMAN PA-C
Physician Assistant
890 OAK ST SE BLDG A
SALEM, OR 97301
Marion County (503) 814-1280
DR. STEFANI ANNE SORENSEN D.O.
Emergency Medicine
890 OAK ST SE BLDG A
SALEM, OR 97301
Marion County (503) 561-5200
ELLIE MORROW
Physician Assistant
890 OAK ST SE BLDG A
SALEM, OR 97301
Marion County (855) 691-9890
SCOTT CRUISE DO
Emergency Medicine
890 OAK ST SE BLDG A
SALEM, OR 97301
Marion County (855) 691-9890
DR. RONALD S LOTOC MD
Family Medicine
890 OAK ST SE BLDG A
SALEM, OR 97301
Marion County (800) 813-2000

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 Timothy Duenas's NPI number?

The NPI number for Timothy Duenas is 1154525970. It was assigned to this individual provider in the NPPES registry on June 14, 2007.

Where is Timothy Duenas located?

Timothy Duenas practices at 890 Oak St SE Bldg A, Salem, OR 97301. The listed phone number is (503) 561-5634.

What is Timothy Duenas's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Timothy Duenas enrolled in Medicare?

Yes. Timothy Duenas 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 organizations bill Medicare for Timothy Duenas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Duenas reassigns Medicare benefits to 2 organizations: Salem Emergency Physicians Service, PC (Salem, OR) and Salem Health West Valley (Dallas, OR). Each 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 Timothy Duenas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy Duenas accept?

Health plans from Moda Health Plan, Inc. list Timothy Duenas 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 Timothy Duenas affiliated with any hospitals?

According to CMS data, Timothy Duenas is affiliated with Salem Hospital and West Valley Hospital.

When was this NPI record last updated?

The NPPES record for Timothy Duenas was last updated on May 17, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.