CYRIL SAHYOUN (M.D.) – Pediatric Emergency Medicine (Emergency Medicine) Physician, NPI 1104065531

CYRIL SAHYOUN (M.D.) is a healthcare provider. based in Boston, Massachusetts. specializing in Pediatric Emergency Medicine (Emergency Medicine) Physician. They hold the professional credentials M.D.. They hold a License No. 238833 (MA). The NPI Number for CYRIL SAHYOUN (M.D.) is 1104065531

Main info

Male
Name
CYRIL SAHYOUN (M.D.)
NPI
1104065531
Phone
(617) 355-6624
Address
229 NEWBURY ST
Enumeration Date
9 February 2009
Last Update Date
4 February 2011
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience53
Completeness75
Years active:17State licenses:1Digital endpointsOther names

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Provider Addresses for CYRIL SAHYOUN (M.D.)

  • Lucky Brand, 229, Newbury Street, Back Bay, Boston, Suffolk County, Massachusetts, 02116, United States

    APT 3

    BOSTON, MA 021162524

    Phone: (617) 355-6624

    Type: Mailing

  • Children's Hospital Library, 300, Longwood Avenue, Roxbury, Boston, Suffolk County, Massachusetts, 02120, United States

    BOSTON, MA 021155724

    Phone: (617) 355-6624

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02116)

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Reviews

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Frequently asked questions

Can I use this page to confirm CYRIL SAHYOUN (M.D.)'s NPI?
Yes. CYRIL SAHYOUN (M.D.) is listed with NPI 1104065531 in the public NPI dataset.
Does CMS list CYRIL SAHYOUN (M.D.) as active?
Yes — CYRIL SAHYOUN (M.D.) is active in the NPI listing used on this page.
What healthcare role does CYRIL SAHYOUN (M.D.) hold?
Scheduling teams often label CYRIL SAHYOUN (M.D.) under Pediatric Emergency Medicine (Emergency Medicine) Physician. Clinical services aligned with this taxonomy classification.
Where should I expect CYRIL SAHYOUN (M.D.) on a map?
Expect Boston, Massachusetts as a primary anchor for CYRIL SAHYOUN (M.D.) unless the record lists multiple sites.
Is the information about CYRIL SAHYOUN (M.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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