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

RALPH DAHER
NPI 1295412484
Internal Medicine - Cardiovascular Disease in Boston, MA

Active since June 29, 2023PECOS Enrolled
800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ralph Daher NPPES

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

RALPH DAHER (NPI 1295412484) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (3019872) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1295412484
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameRALPH DAHER
Location Address800 WASHINGTON STBoston, MA 02111-1552
Mailing Address800 Washington StBoston, MA 02111-1552 · (617) 636-5000
Phone(617) 636-5000
Sole ProprietorNo
Enumeration DateJune 29, 2023
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1295412484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in MA · 3019872
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
800 WASHINGTON ST, Boston, MA 02111
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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 (PECOS)

Ralph Daher 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 02111 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

AARON DICKSTEIN M.D.
Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Suffolk County (617) 636-5883
THOMAS E BIGELOW
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
SARAH MERRIMAN PERSING M.D.
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. SHARANYA MOHANTY M.D.
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
AFRAH SADIQ SAIT MOHAMMED M.D.
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (718) 629-7204
ADNAN SALIM QAMAR MD
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5829
ALICIA SIGIA WU MD
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-1619
ZEANAARONEVAN ANDRES LUNA
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-8100

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 Ralph Daher's NPI number?

The NPI number for Ralph Daher is 1295412484. It was assigned to this individual provider in the NPPES registry on June 29, 2023.

Where is Ralph Daher located?

Ralph Daher practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5000.

What is Ralph Daher's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Ralph Daher enrolled in Medicare?

Yes. Ralph Daher is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ralph Daher was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.