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HECTOR DIAZ-OTERO MD
NPI 1508500810
Family Medicine in Marysville, WA

Active since April 22, 2022PECOS EnrolledAccepts Medicare Assignment
9710 STATE AVE, MARYSVILLE, WA 98270(606) 531-7423(360) 657-3095 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 28, 2024, Apr 22, 2022 (2 updates tracked since 2022).

About Hector Diaz-otero Md NPPES

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

HECTOR DIAZ-OTERO MD (NPI 1508500810) is an individual family medicine provider in Marysville, Washington, licensed in Washington (MD70027777) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Tacoma, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1508500810
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameHECTOR DIAZ-OTEROCredential: MD
Location Address9710 STATE AVEMarysville, WA 98270-2232
Mailing AddressPo Box 34703Seattle, WA 98124-1703
Phone(606) 531-7423
Fax(360) 657-3095
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 22, 2022
Last NPPES UpdateJuly 31, 20252 updates tracked since enumeration
NPPES CertifiedJuly 31, 2025
✔ NPI 1508500810 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WA · MD70027777
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.
9710 STATE AVE, Marysville, WA 98270
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Secondary Practice Location 1

Location 11202 Martin Luther King Jr WayTacoma, WA 98405-3926 · Phone (253) 441-4742

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

Hector Diaz-otero 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 ID4284006248
PECOS Enrollment IDI20230221001515
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98270 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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.

MRS. DANIELLA V OCHOA-POLENCO
Health Educator
9710 STATE AVE
MARYSVILLE, WA 98270
Snohomish County (360) 653-1742
SHIRLEY CLARK AS, RN
Registered Nurse
9710 STATE AVE
MARYSVILLE, WA 98270
Snohomish County (360) 653-1742
SEA-MAR COMMUNITY HEALTH CENTER
Clinic/Center (Federally Qualified Health Center (FQHC))
9710 STATE AVE
MARYSVILLE, WA 98270
Snohomish County (360) 657-3082
MARTHA CARRIERE BA, RC
Counselor
9710 STATE AVE
MARYSVILLE, WA 98270
Snohomish County (360) 653-1742
DR. JOYCE RAMOS NUESCA MD
Family Medicine
9710 STATE AVE
MARYSVILLE, WA 98270
Snohomish County (360) 653-1742
MISKY KUSII LOPEZ DDS
Dentist
9710 STATE AVE
MARYSVILLE, WA 98270
Snohomish County (360) 657-3091
SIBANI DAS
Family Medicine
9710 STATE AVE
MARYSVILLE, WA 98270
Snohomish County (360) 657-3062
ALEJANDRA EQUIHUA NARANJO
Counselor
9710 STATE AVE
MARYSVILLE, WA 98270
Snohomish County (360) 657-3058

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 Hector Diaz-otero's NPI number?

The NPI number for Hector Diaz-otero is 1508500810. It was assigned to this individual provider in the NPPES registry on April 22, 2022.

Where is Hector Diaz-otero located?

Hector Diaz-otero practices at 9710 State Ave, Marysville, WA 98270. The listed phone number is (606) 531-7423.

What is Hector Diaz-otero's specialty?

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

Is Hector Diaz-otero enrolled in Medicare?

Yes. Hector Diaz-otero 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.

When was this NPI record last updated?

The NPPES record for Hector Diaz-otero was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.