DR. ETAN DAYAN (M.D.) – Diagnostic Radiology Physician, NPI 1699040790

DR. ETAN DAYAN (M.D.) is a healthcare provider. based in Charlestown, Massachusetts. specializing in DIAGNOSTIC RADIOLOGY. They hold the professional credentials M.D.. They hold a License No. ME157673 (FL). The NPI Number for DR. ETAN DAYAN (M.D.) is 1699040790

Main info

Male
14 Years Of Experience
Accepts Medicare Assignment
Name
DR. ETAN DAYAN (M.D.)
NPI
1699040790
Phone
(617) 726-3884
Address
PO BOX 9142
Enumeration Date
21 March 2012
Last Update Date
27 January 2025

Doctor Profile

Medical School Name
STATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Secondary Phone
3052435302
Graduation Year
2012 (14 years ago)
PAC ID
7618254145
Group Practice PAC ID
3274795109
Professional Enrollment ID
I20240318001343
Address ID
FL331361005MI1611XAVEX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness75
Years active:14State licenses:1Digital endpointsOther names

1,897 DIAGNOSTIC RADIOLOGY in MA

Provider Addresses for DR. ETAN DAYAN (M.D.)

  • PO BOX 9142

    MASS GENERAL PHYSICIAN ORGANIZATION

    CHARLESTOWN, MA 021299142

    Phone: (617) 726-3884

    Type: Mailing

  • 55 FRUIT ST

    BOSTON, MA 021142621

    Phone: (617) 726-7717

    Type: Location

  • 3848 FAU BLVD

    BOCA RATON, FL 334316437

    Phone: (561) 455-3627

    Type: Mailing

  • 50 WEST ST APT B7B

    HARRISON, NY 105284036

    Phone: (914) 484-0158

    Type: Mailing

  • 1176 5TH AVE

    NEW YORK, NY 100296503

    Phone: (212) 241-8047

    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.

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: 2024-03-18

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20180531000360IDiagnostic RadiologyNYTBD
I20240318001343IDiagnostic RadiologyFLTBD

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
A9585Injection, gadobutrol, 0.1 ml1,55021$0
73630X-ray of foot, minimum of 3 views159146$0
71045X-ray of chest, 1 view156128$0
72100X-ray of lower and sacral spine, 2-3 views144142$0
73030X-ray of shoulder, minimum of 2 views126123$0
View full utilization report →

Insurance plans in this area (ZIP 02129)

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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: 3274795109View full group profile

Reviews

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Frequently asked questions

What federal number belongs to DR. ETAN DAYAN (M.D.)?
The federal identifier for DR. ETAN DAYAN (M.D.) is NPI 1699040790.
Is DR. ETAN DAYAN (M.D.) currently active in the NPI registry?
CMS-published data lists DR. ETAN DAYAN (M.D.) as an active registrant.
What field does DR. ETAN DAYAN (M.D.) work in?
You can think of DR. ETAN DAYAN (M.D.) as practicing within Diagnostic Radiology Physician. Clinical services aligned with this taxonomy classification.
Where is DR. ETAN DAYAN (M.D.)'s primary listing?
We display Charlestown, Massachusetts because that is what the record indicates for DR. ETAN DAYAN (M.D.).
How can I contact DR. ETAN DAYAN (M.D.)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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