HELEN OSTER CHERNICOFF MD
NPI 1881707925
Family Medicine in Seattle, WA

Active since August 15, 2006PECOS EnrolledAccepts Medicare Assignment
201 16TH AVE E, CHM, SEATTLE, WA 98112(650) 833-8874 Get Directions Write a Review

NPPES record last updated: October 3, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 3, 2023, Aug 31, 2023 (2 updates tracked since 2023).

About Helen Oster Chernicoff Md NPPES

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

HELEN OSTER CHERNICOFF MD (NPI 1881707925) is an individual family medicine provider in Seattle, Washington, licensed in Washington (MD60847693) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center / Cherry Hill, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1881707925
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameHELEN OSTER CHERNICOFFCredential: MD
Location Address201 16TH AVE E, CHMSeattle, WA 98112
Mailing Address4309 Forest Ave SeMercer Island, WA 98040-3911 · (650) 833-8874
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateAugust 15, 2006
Last NPPES UpdateOctober 3, 20232 updates tracked since enumeration
NPPES CertifiedOctober 3, 2023
NPI 1881707925 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses Licensed in WA · MD60847693 Licensed in CA · A64291
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
201 16TH AVE E, Seattle, WA 98112

Other Names 1

Former Name (1)Helen Oster Md

Secondary Practice Location 1

Location 1201 16th Ave ESeattle, WA 98112-5226 · Phone (206) 326-3000 · Fax (877) 515-2975

Other Identifiers 1

Medicaid00A642910CA

Accepted 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

Helen Oster Chernicoff Md 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 ID5597110155
PECOS Enrollment IDI20231017002445
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 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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
104 services37 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
93 services39 patients
Advance care planning, each additional 30 minutes 99498
Advance care planning involves discussing and documenting your future health care preferences in case you're unable to make decisions for yourself. Each additional 30 minutes allows more time to explore your wishes, values, and goals for treatment.
43 services27 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
30 services28 patients

Hospital Affiliations CMS Care Compare

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

Swedish Medical Center / Cherry Hill

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500025
Location500 17th AvenueSeattle, WA 98122 · King County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98112 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
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

Internal Medicine (Rheumatology)
201 16TH AVE E
SEATTLE, WA 98112
Occupational Therapist
201 16TH AVE E
SEATTLE, WA 98112
Student in an Organized Health Care Education/Training Program
201 16TH AVE E
SEATTLE, WA 98112
Clinic/Center (Ambulatory Surgical)
201 16TH AVE E, SUITE CMB-2
SEATTLE, WA 98112
Registered Nurse (Home Health)
201 16TH AVE E
SEATTLE, WA 98112
Home Health Aide
201 16TH AVE E
SEATTLE, WA 98112
Pharmacist
201 16TH AVE E
SEATTLE, WA 98112
Occupational Therapist
201 16TH AVE E
SEATTLE, WA 98112

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 Helen Chernicoff's NPI number?

The NPI number for Helen Chernicoff is 1881707925. It was assigned to this individual provider in the NPPES registry on August 15, 2006. The provider is also known as Helen Oster MD.

Where is Helen Chernicoff located?

Helen Chernicoff practices at 201 16th Ave E Chm, Seattle, WA 98112. The listed phone number is (650) 833-8874.

What is Helen Chernicoff's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Helen Chernicoff enrolled in Medicare?

Yes. Helen Chernicoff 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 Helen Chernicoff accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Helen Chernicoff 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 Helen Chernicoff affiliated with any hospitals?

According to CMS data, Helen Chernicoff is affiliated with Swedish Medical Center / Cherry Hill.

When was this NPI record last updated?

The NPPES record for Helen Chernicoff was last updated on October 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.