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DR. NATHAN ANSBAUGH MD, MPH
NPI 1497140313
Emergency Medicine in Bend, OR

Active since March 30, 2015PECOS EnrolledAccepts Medicare Assignment
2500 NE NEFF RD, BEND, OR 97701(541) 382-4321 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 20, 2021, Jul 8, 2019 (2 updates tracked since 2019).

About Dr. Nathan Ansbaugh Md, Mph NPPES

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

DR. NATHAN ANSBAUGH MD, MPH (NPI 1497140313) is an individual emergency medicine provider in Bend, Oregon, licensed in Oregon (MD192625) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with St Charles Medical Center - Bend, and maintains a secondary practice location in Redmond.

NPPES Registry Identity

NPI1497140313
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. NATHAN ANSBAUGHCredential: MD, MPH
Location Address2500 NE NEFF RDBend, OR 97701-6015
Mailing Address2500 Ne Neff RdBend, OR 97701-6015 · (541) 382-4321
Phone(541) 382-4321
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 30, 2015
Last NPPES UpdateAugust 1, 20252 updates tracked since enumeration
NPPES CertifiedAugust 1, 2025
✔ NPI 1497140313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OR · MD192625
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.
2500 NE NEFF RD, Bend, OR 97701
Open in Google Maps ↗

Secondary Practice Location 1

Location 11253 NW Canal BlvdRedmond, OR 97756-1334 · Phone (541) 548-8131 · Fax (541) 526-6608

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. Nathan Ansbaugh Md, Mph 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 ID3971802505
PECOS Enrollment IDI20190802002215
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

3

Medicare enrollment records show Nathan Ansbaugh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Charles Health System, Inc.
Same address
Family Medicine
2500 NE NEFF RD
Bend, OR 97701
  • Reassigned Medicare billing, Oregon enrollment
  • 348 clinicians in this Medicare group
NPI 1023331303 (541) 382-4321
St. Charles Health System, Inc.
Same address
Rehabilitation Unit
2500 NE NEFF RD
Bend, OR 97701
  • Reassigned Medicare billing, Oregon enrollment
  • Also billed through NPI 1710160445 (Oregon), NPI 1356389894 (Oregon)
  • 307 clinicians in this Medicare group
NPI 1154343150 (541) 382-4321
Central Oregon Emergency Physicians LLC
0.2 mi
Emergency Medical Services
2500 NE NEFF RD
Bend, OR 97701
  • Reassigned Medicare billing, Oregon enrollment
  • 52 clinicians in this Medicare group
NPI 1376714543 (541) 382-4321

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 5

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.
232 services225 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.
159 services143 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.
73 services73 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.
50 services48 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
19 services19 patients

Hospital Affiliations CMS Care Compare

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

St Charles Medical Center - Bend

Acute Care Hospitals · Bend, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380047
Location2500 NE Neff RoadBend, OR 97701 · Deschutes County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97701 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 20

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

ALANNA MOZENA MD
Internal Medicine
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-6892
JAQUELINE L CAMPAGNA PT
Physical Therapist
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 382-4321
ASHLEY MARIE TWYMAN MD
Hospitalist
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-6892
NICOLE KOSMIDER
Anesthesiology
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (888) 333-1095
SAMANTHA MULLIS NNP
Nurse Practitioner (Neonatal, Critical Care)
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 382-4321
JEAN M BROWN PA-C
Physician Assistant
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 388-1636
BENJAMIN BRUNO BARSOTTI MD
Pediatrics
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-6892
DR. NICHOLAS SONG BOEHLING M.D.
Radiology (Radiation Oncology)
2500 NE NEFF RD
BEND, OR 97701
Deschutes County (541) 706-5800

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 Nathan Ansbaugh's NPI number?

The NPI number for Nathan Ansbaugh is 1497140313. It was assigned to this individual provider in the NPPES registry on March 30, 2015.

Where is Nathan Ansbaugh located?

Nathan Ansbaugh practices at 2500 NE Neff Rd, Bend, OR 97701. The listed phone number is (541) 382-4321.

What is Nathan Ansbaugh's specialty?

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

Is Nathan Ansbaugh enrolled in Medicare?

Yes. Nathan Ansbaugh 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 Nathan Ansbaugh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Ansbaugh reassigns Medicare benefits to 3 organizations: St. Charles Health System, Inc. (Bend, OR), St. Charles Health System, Inc. (Bend, OR) and Central Oregon Emergency Physicians LLC (Bend, 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 Nathan Ansbaugh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathan Ansbaugh accept?

Health plans from Moda Health Plan, Inc. list Nathan Ansbaugh 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 Nathan Ansbaugh affiliated with any hospitals?

According to CMS data, Nathan Ansbaugh is affiliated with St Charles Medical Center - Bend.

When was this NPI record last updated?

The NPPES record for Nathan Ansbaugh was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.