DR. MARK S FEDER (O.D.) – Optometrist, NPI 1912097825

DR. MARK S FEDER (O.D.) is a healthcare provider. based in Norwalk, Connecticut. specializing in Optometrist. They hold the professional credentials O.D.. They hold a License No. 1047 (CT). The NPI Number for DR. MARK S FEDER (O.D.) is 1912097825

Main info

Male
Sole Proprietor
43 Years Of Experience
Name
DR. MARK S FEDER (O.D.)
NPI
1912097825
Phone
(203) 853-1010
Address
5 EVERSLEY AVE
Enumeration Date
13 October 2006
Last Update Date
12 March 2010

Doctor Profile

Medical School Name
STATE UNIVERSITY OF NEW YORK - STATE COLLEGE OPTOMETRY
Secondary Phone
2038531010
Graduation Year
1983 (43 years ago)
PAC ID
7113085432
Group Practice PAC ID
3577613587
Professional Enrollment ID
I20081015000250
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. MARK S FEDER (O.D.)

  • 5, Eversley Avenue, East Norwalk, Norwalk, Fairfield County, Connecticut, 06851, United States

    SUITE 104

    NORWALK, CT 068515821

    Phone: (203) 853-1010

    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: 2008-10-15

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
I20081015000250IOptometryCTTBD

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
92014Established patient complete exam of visual system2929$0
View full utilization report →

Insurance plans in this area (ZIP 06851)

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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: 3577613587View full group profile
NameSpecialtyState
O P T O M E T R YCT
O P T O M E T R YNY
O P T O M E T R YCT
O P T O M E T R YCT

Reviews

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Frequently asked questions

What unique ID ties claims to DR. MARK S FEDER (O.D.)?
NPI 1912097825 is assigned to DR. MARK S FEDER (O.D.) under the national enumeration system.
Is DR. MARK S FEDER (O.D.) currently active in the NPI registry?
CMS-published data lists DR. MARK S FEDER (O.D.) as an active registrant.
What does DR. MARK S FEDER (O.D.) treat or focus on?
Patients typically see DR. MARK S FEDER (O.D.) under the specialty Optometrist. Clinical services aligned with this taxonomy classification.
What location shows for DR. MARK S FEDER (O.D.)?
We surface Norwalk, Connecticut for DR. MARK S FEDER (O.D.) based on available NPPES addresses.
Is DR. MARK S FEDER (O.D.) a real provider?
This page reflects official NPPES data for NPI 1912097825. Always confirm identity and privileges with the practice and licensing boards.

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