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DR. DAVID P MASIELLO M.D.
NPI 1427277573
Internal Medicine - Hematology & Oncology in Los Angeles, CA

Active since April 25, 2007PECOS EnrolledAccepts Medicare Assignment
1700 CEASER E CHAVEZ AVE, SUITE 3600, LOS ANGELES, CA 90033(617) 320-9510 Get Directions Write a Review

NPPES record last updated: December 22, 2014. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Dr. David P Masiello M.d. NPPES

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

DR. DAVID P MASIELLO M.D. (NPI 1427277573) is an individual hematology & oncology provider in Los Angeles, California, licensed in California (A94680) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (2003).

NPPES Registry Identity

NPI1427277573
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. DAVID P MASIELLOCredential: M.D.
Location Address1700 CEASER E CHAVEZ AVE, SUITE 3600Los Angeles, CA 90033
Mailing Address1700 E Cesar E Chavez Ave, Suite 3500Los Angeles, CA 90033-2424 · (323) 264-0430
Phone(617) 320-9510
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 2003
Enumeration DateApril 25, 2007
Last NPPES UpdateDecember 22, 2014
✔ NPI 1427277573 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 · A94680
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 ListedInternal MedicineTaxonomy 207R00000X · License A94680 (CA)
1700 CEASER E CHAVEZ AVE, Los Angeles, CA 90033
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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

Dr. David P Masiello M.d. 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 ID7719032523
PECOS Enrollment IDI20090831000526
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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
51 services29 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
43 services24 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
25 services17 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
23 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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.

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 David Masiello's NPI number?

The NPI number for David Masiello is 1427277573. It was assigned to this individual provider in the NPPES registry on April 25, 2007.

Where is David Masiello located?

David Masiello practices at 1700 Ceaser E Chavez Ave Suite 3600, Los Angeles, CA 90033. The listed phone number is (617) 320-9510.

What is David Masiello's specialty?

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

Is David Masiello enrolled in Medicare?

Yes. David Masiello 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 David Masiello was last updated on December 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.