What is Cynthia Horak's NPI number?

Cynthia Horak's National Provider Identifier (NPI) is 1457536849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Cynthia Horak's specialty?

Cynthia Horak is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Cynthia Horak located?

Cynthia Horak's practice location on file with NPPES is 10180 Se Sunnyside Rd, Clackamas, OR 97015-8970.

What is Cynthia Horak's phone number?

The practice phone number listed in the NPPES registry for Cynthia Horak is (503) 652-1880.

Does Cynthia Horak accept Medicare?

Cynthia Horak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Cynthia Horak's NPI active?

Yes — Cynthia Horak's NPI (1457536849) is active in the NPPES registry as of the last update on 2022-02-04.

IndividualActiveAccepts Medicare

Cynthia Horak, MD

NPI 1457536849 · Emergency Medicine Physician · Clackamas, OR

Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Cynthia Horak, MD is a Emergency Medicine Physician provider in Clackamas, OR (NPI 1457536849).

Provider details

NPI number: 1457536849
Entity type: Individual
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: MD60437775 (WA)

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000XLicense MD154081 (OR)
Allopathic & Osteopathic Physicians
Emergency Medicine Physician207P00000XLicense MD60437775 (WA)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 046560 (CT)
Allopathic & Osteopathic Physicians
Hospitalist Physician208M00000XLicense 046560 (CT)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Detailed profile(88/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

10180 Se Sunnyside Rd

Kaiser Sunnyside Medical Center

Clackamas, OR 97015-8970

Phone: (503) 652-1880

Street-level locationGet directions

More OR providers

Mailing address

14921 Sw Juliet Ter

Portland, OR 97224-0832

Enumerated: 2008-01-03
Last updated: 2022-02-04

Frequently asked questions

What is Cynthia Horak's NPI number?: Cynthia Horak's National Provider Identifier (NPI) is 1457536849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Cynthia Horak's specialty?: Cynthia Horak is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Cynthia Horak located?: Cynthia Horak's practice location on file with NPPES is 10180 Se Sunnyside Rd, Clackamas, OR 97015-8970.
What is Cynthia Horak's phone number?: The practice phone number listed in the NPPES registry for Cynthia Horak is (503) 652-1880.
Does Cynthia Horak accept Medicare?: Cynthia Horak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Cynthia Horak's NPI active?: Yes — Cynthia Horak's NPI (1457536849) is active in the NPPES registry as of the last update on 2022-02-04.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.