ZACHARY BERK (OD) – Optometrist, NPI 1063205243

ZACHARY BERK (OD) is a healthcare provider. based in Bellingham, Massachusetts. specializing in OPTOMETRY. They hold the professional credentials OD. They hold a License No. 003700 (NY). The NPI Number for ZACHARY BERK (OD) is 1063205243

Main info

Male
52 Years Of Experience
Accepts Medicare Assignment
Name
ZACHARY BERK (OD)
NPI
1063205243
Phone
(978) 208-2390
Address
249 HARTFORD AVE
Enumeration Date
28 May 2025
Last Update Date
28 May 2025

Doctor Profile

Medical School Name
PACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Secondary Phone
6469211738
Graduation Year
1974 (52 years ago)
PAC ID
4385145861
Group Practice PAC ID
2365848165
Professional Enrollment ID
I20250827002744
Address ID
NY132032503SY918XXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience26
Completeness75
Years active:1State licenses:1Digital endpointsOther names

530 OPTOMETRY in CT

Provider Addresses for ZACHARY BERK (OD)

  • 249 HARTFORD AVE

    BELLINGHAM, MA 020193007

    Phone: (978) 208-2390

    Type: Mailing

  • 850 WASHINGTON ST

    MIDDLETOWN, CT 064572912

    Phone: (978) 208-2390

    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: 2025-09-30

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
I20250827002744IOptometryNYTBD
I20250930001285IOptometryCTTBD

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.

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

Insurance plans in this area (ZIP 02019)

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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: 2365848165View full group profile
NameSpecialtyState
O P T O M E T R YNY
O P T O M E T R YNY
O P T O M E T R YNY
O P T O M E T R YNY
O P T O M E T R YNY
O P T O M E T R YNY
O P T O M E T R YNY
O P T O M E T R YNY
O P T O M E T R YAK
O P T O M E T R YNY

Reviews

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Frequently asked questions

Is there an official ID for ZACHARY BERK (OD) in U.S. healthcare records?
The official identifier for ZACHARY BERK (OD) is NPI 1063205243.
Would ZACHARY BERK (OD) appear as active to a payer?
You can treat ZACHARY BERK (OD) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe ZACHARY BERK (OD)'s focus?
For ZACHARY BERK (OD), the primary taxonomy reads as Optometrist. Clinical services aligned with this taxonomy classification.
What practice footprint exists for ZACHARY BERK (OD)?
Travel planning: use Bellingham, Massachusetts as the reference point for ZACHARY BERK (OD), then confirm.
Does ZACHARY BERK (OD) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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