DEMIAN SZYLD (MD) – Emergency Medicine Physician, NPI 1184785578

DEMIAN SZYLD (MD) is a healthcare provider. based in Boston, Massachusetts. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. 239292 (MA). The NPI Number for DEMIAN SZYLD (MD) is 1184785578

Main info

Male
21 Years Of Experience
Accepts Medicare Assignment
Name
DEMIAN SZYLD (MD)
NPI
1184785578
Phone
(617) 732-5640
Address
75 FRANCIS ST
Enumeration Date
12 December 2006
Last Update Date
18 October 2016

Doctor Profile

Medical School Name
ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Secondary Phone
6174145481
Graduation Year
2005 (21 years ago)
PAC ID
6507910775
Group Practice PAC ID
4981596095
Professional Enrollment ID
I20090822000082
Address ID
MA021182908BO1XXXXPLXX500
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience61
Completeness75
Years active:19State licenses:2Digital endpointsOther names

1,682 EMERGENCY MEDICINE in MA

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Provider Addresses for DEMIAN SZYLD (MD)

  • Brigham and Women's Hospital, 75, Francis Street, Roxbury, Boston, Suffolk County, Massachusetts, 02115, United States

    BOSTON, MA 021156110

    Phone: (617) 732-5640

    Mailing address matches the actual address.

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.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2009-08-22

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20090822000082IEmergency MedicineMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making3433$0
99284Emergency department visit with moderate level of medical decision making3030$0
99283Emergency department visit with low level of medical decision making1414$0
View full utilization report →

Insurance plans in this area (ZIP 02115)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4981596095View full group profile
NameSpecialtyState
Emergency MedicineMA
Physician AssistantME
Physician AssistantMA
Critical Care (Intensivists)MA
Emergency MedicineMA
Physician AssistantMA
Emergency MedicineMA
Emergency MedicineMA
Emergency Medicine, Internal MedicineMA
-MA

Reviews

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Frequently asked questions

Can I use this page to confirm DEMIAN SZYLD (MD)'s NPI?
Yes. DEMIAN SZYLD (MD) is listed with NPI 1184785578 in the public NPI dataset.
Does the file indicate DEMIAN SZYLD (MD) is practicing under active NPI?
Directory data currently reports DEMIAN SZYLD (MD) as active.
What is DEMIAN SZYLD (MD) best known for clinically?
Directory data describes DEMIAN SZYLD (MD) with Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What area does DEMIAN SZYLD (MD) serve?
DEMIAN SZYLD (MD)'s listing highlights Boston, Massachusetts; more addresses can appear in NPPES.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.