MRS. CASSANDRA BLAYLOCK NP
NPI 1588043400
Internal Medicine - Hematology & Oncology in Santa Monica, CA

Q: What is Cassandra Blaylock's NPI number?

The NPI number for Cassandra Blaylock is 1588043400. It was assigned to this individual provider in the NPPES registry on May 26, 2015. The provider is also known as Cassandra Yamaguchi.

Q: What is Cassandra Blaylock's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since May 26, 2015PECOS Enrolled

1250 16TH ST, SANTA MONICA, CA 90404(424) 259-9457(424) 259-6823 Get Directions Write a Review

NPPES record last updated: October 1, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mrs. Cassandra Blaylock Np NPPES

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

MRS. CASSANDRA BLAYLOCK NP (NPI 1588043400) is an individual hematology & oncology provider in Santa Monica, California, licensed in California (95003118) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1588043400

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameMRS. CASSANDRA BLAYLOCKCredential: NP

Location Address1250 16TH STSanta Monica, CA 90404-1249

Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631

Phone(424) 259-9457

Fax(424) 259-6823

Sole ProprietorYes

Medical School CMSOtherGraduated 2015

Enumeration DateMay 26, 2015

Last NPPES UpdateOctober 1, 2025

NPPES CertifiedOctober 1, 2025

✔ NPI 1588043400 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · 95003118

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 95003118 (CA)

1250 16TH ST, Santa Monica, CA 90404

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Other Names 1

Former Name (1)Cassandra Yamaguchi

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Cassandra Blaylock Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7416202502

PECOS Enrollment IDI20250923004115

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 90404 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

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

ISABELLA JUSAY NP

Nurse Practitioner