Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DANIEL ARDELJAN MD, PHD
NPI 1285058321
Internal Medicine - Hematology in Boston, MA

Active since February 10, 2014PECOS Enrolled
450 BROOKLINE AVE, BOSTON, MA 02215(617) 582-8410 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Daniel Ardeljan Md, Phd NPPES

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

DR. DANIEL ARDELJAN MD, PHD (NPI 1285058321) is an individual hematology provider in Boston, Massachusetts, licensed in Massachusetts (1027453) and active in the NPI registry since February 2014. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285058321
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameDR. DANIEL ARDELJANCredential: MD, PHD
Location Address450 BROOKLINE AVEBoston, MA 02215-5450
Mailing Address450 Brookline AveBoston, MA 02215-5450
Sole ProprietorNo
Enumeration DateFebruary 10, 2014
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
NPI 1285058321 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License Licensed in MA · 1027453
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 1027453 (MA)
450 BROOKLINE AVE, Boston, MA 02215

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. Daniel Ardeljan Md, Phd 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 02215 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215

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 Ardeljan's NPI number?

The NPI number for Daniel Ardeljan is 1285058321. It was assigned to this individual provider in the NPPES registry on February 10, 2014.

Where is Daniel Ardeljan located?

Daniel Ardeljan practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 582-8410.

What is Daniel Ardeljan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Daniel Ardeljan enrolled in Medicare?

Yes. Daniel Ardeljan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Daniel Ardeljan was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.