DR. WILLIAM H. ISACOFF M.D.
NPI 1891773123
Internal Medicine - Hematology & Oncology in Santa Monica, CA

Q: What is William Isacoff's NPI number?

The NPI number for William Isacoff is 1891773123. It was assigned to this individual provider in the NPPES registry on January 6, 2006.

Q: What is William Isacoff's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Isacoff was last updated on May 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since January 06, 2006PECOS Enrolled

2811 WILSHIRE BLVD STE 414, SANTA MONICA, CA 90403(310) 824-4133(310) 201-6685 Get Directions Write a Review

NPPES record last updated: May 3, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. William H. Isacoff M.d. NPPES

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

DR. WILLIAM H. ISACOFF M.D. (NPI 1891773123) is an individual hematology & oncology provider in Santa Monica, California, licensed in California (G24596) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891773123

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. WILLIAM H. ISACOFFCredential: M.D.

Location Address2811 WILSHIRE BLVD STE 414Santa Monica, CA 90403-4804

Mailing Address2811 Wilshire Blvd Ste 414Santa Monica, CA 90403-4804 · (310) 824-4133 · Fax (310) 201-6685

Phone(310) 824-4133

Fax(310) 201-6685

Sole ProprietorYes

Enumeration DateJanuary 6, 2006

Last NPPES UpdateMay 3, 2021

NPPES CertifiedMay 3, 2021

✔ NPI 1891773123 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · G24596

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.

2811 WILSHIRE BLVD STE 414, Santa Monica, CA 90403

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Other Identifiers 4

OtherZZZ 66561 ZCA · Blue Shield Of Ca Dme

Other953490494CA · Commerical Prov Id

Medicaid00G245960CA

Other90024B002CA · Tricare Prov Id

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William H. Isacoff M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 90403 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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

6 suppliers38 claims2,058 services$0.72 avg. paid by Medicare

Temozolomide, oral, 5 mg J8700

Treatment-Treatment - Miscellaneous · category RX000N

4 suppliers23 claims5,750 services$0.21 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

3 suppliers14 claims14 services$19.02 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

6 suppliers41 claims47 services$12.63 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

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

TED KIM

Physician Assistant