DANIEL ALEXANDER CASTELLANOS M.D.
NPI 1003298126
Pediatrics - Pediatric Cardiology in Boston, MA

Active since June 25, 2015PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: March 11, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 11, 2021, Aug 2, 2020, Jul 15, 2020 and 1 more (4 updates tracked since 2016).

About Daniel Alexander Castellanos M.d. NPPES

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

DANIEL ALEXANDER CASTELLANOS M.D. (NPI 1003298126) is an individual pediatric cardiology provider in Boston, Massachusetts, licensed in Massachusetts (283956) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Boston Children's Hospital, and is a graduate of Florida International Univ, College Of Medicine (2013).

NPPES Registry Identity

NPI1003298126
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameDANIEL ALEXANDER CASTELLANOSCredential: M.D.
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorYes
Medical School CMSFlorida International Univ, College Of MedicineGraduated 2013
Enumeration DateJune 25, 2015
Last NPPES UpdateMarch 11, 20214 updates tracked since enumeration
NPPES CertifiedMarch 11, 2021
NPI 1003298126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
Licenses Licensed in MA · 283956 Licensed in MA · ETL5309 Licensed in TX · Q8849
Definition

A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.

300 LONGWOOD AVE, Boston, MA 02115

Accepted Insurance

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

Daniel Alexander Castellanos 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 ID8527487354
PECOS Enrollment IDI20200929001213
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boston Children's Hospital

Childrens · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number223302
Location300 Longwood AvenueBoston, MA 02115 · Suffolk County
Emergency services

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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Daniel Castellanos's NPI number?

The NPI number for Daniel Castellanos is 1003298126. It was assigned to this individual provider in the NPPES registry on June 25, 2015.

Where is Daniel Castellanos located?

Daniel Castellanos practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Daniel Castellanos's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Daniel Castellanos enrolled in Medicare?

Yes. Daniel Castellanos 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.

What insurance does Daniel Castellanos accept?

Health plans from Anthem Blue Cross and Blue Shield list Daniel Castellanos 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.

Is Daniel Castellanos affiliated with any hospitals?

According to CMS data, Daniel Castellanos is affiliated with Boston Children's Hospital.

When was this NPI record last updated?

The NPPES record for Daniel Castellanos was last updated on March 11, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.