HEATHER ELIZABETH ROSS BLACKFORD D.O.
NPI 1821338591
Obstetrics & Gynecology in Longview, WA

Active since February 18, 2013PECOS EnrolledAccepts Medicare Assignment
1660 DELAWARE ST, LONGVIEW, WA 98632(360) 414-2800 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 20, 2025, Jul 21, 2022, Dec 6, 2019 and 2 more (5 updates tracked since 2017).

About Heather Elizabeth Ross Blackford D.o. NPPES

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

HEATHER ELIZABETH ROSS BLACKFORD D.O. (NPI 1821338591) is an individual obstetrics & gynecology provider in Longview, Washington, licensed in Washington (OP60740193) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1821338591
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameHEATHER ELIZABETH ROSS BLACKFORDCredential: D.O.
Location Address1660 DELAWARE STLongview, WA 98632-2310
Mailing Address2213 Cherry StToledo, OH 43608-2603 · (419) 251-6530 · Fax (419) 251-6849
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateFebruary 18, 2013
Last NPPES UpdateNovember 20, 20255 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
✔ NPI 1821338591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WA · OP60740193
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1660 DELAWARE ST, Longview, WA 98632

Secondary Practice Locations 4

Location 14465 Cordata Pkwy Ste 102Bellingham, WA 98226-8037 · Phone (360) 752-5280
Location 28844 Benson RdLynden, WA 98264-9787 · Phone (360) 318-0260
Location 32213 Cherry StToledo, OH 43608-2603 · Phone (419) 251-6530 · Fax (419) 251-6849
Location 43200 Squalicum PkwyBellingham, WA 98225-1932 · Phone (360) 752-5280

Accepted 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

Heather Elizabeth Ross Blackford D.o. 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 ID4486928082
PECOS Enrollment IDI20170920002818
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 Heather Ross Blackford reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
1615 DELAWARE ST
Longview, WA 98632
  • Reassigned Medicare billing, Washington enrollment
  • 308 clinicians in this Medicare group
Internal Medicine
2901 SQUALICUM PKWY
Bellingham, WA 98225
  • Reassigned Medicare billing, Washington enrollment
  • 390 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98632 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
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.

Other Providers at the Same Location NPPES 15

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

Obstetrics & Gynecology
1660 DELAWARE ST
LONGVIEW, WA 98632
Pharmacist
1660 DELAWARE ST
LONGVIEW, WA 98632
Obstetrics & Gynecology
1660 DELAWARE ST
LONGVIEW, WA 98632
Durable Medical Equipment & Medical Supplies
1660 DELAWARE ST
LONGVIEW, WA 98632
Nurse Practitioner (Obstetrics & Gynecology)
1660 DELAWARE ST
LONGVIEW, WA 98632
Obstetrics & Gynecology
1660 DELAWARE ST
LONGVIEW, WA 98632
Nurse Practitioner (Obstetrics & Gynecology)
1660 DELAWARE ST, PEACEHEALTH WOMEN'S HEALTH PAVILION
LONGVIEW, WA 98632
Nurse Practitioner (Women's Health)
1660 DELAWARE ST
LONGVIEW, WA 98632

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 Heather Ross Blackford's NPI number?

The NPI number for Heather Ross Blackford is 1821338591. It was assigned to this individual provider in the NPPES registry on February 18, 2013.

Where is Heather Ross Blackford located?

Heather Ross Blackford practices at 1660 Delaware St, Longview, WA 98632. The listed phone number is (360) 414-2800.

What is Heather Ross Blackford's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Heather Ross Blackford enrolled in Medicare?

Yes. Heather Ross Blackford 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 Heather Ross Blackford's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heather Ross Blackford reassigns Medicare benefits to 2 organizations: Peacehealth (Longview, WA) and Peacehealth (Bellingham, WA). 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 Heather Ross Blackford's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Heather Ross Blackford accept?

Health plans from Ambetter Health, Kaiser Permanente, PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Heather Ross Blackford 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.

When was this NPI record last updated?

The NPPES record for Heather Ross Blackford was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.