ROBERT MICHAEL TIERI (OD) – Optometrist, NPI 1427038835

ROBERT MICHAEL TIERI (OD) is a healthcare provider. based in Acton, Massachusetts. specializing in OPTOMETRY. They hold the professional credentials OD. They hold a License No. 3015 (MA). The NPI Number for ROBERT MICHAEL TIERI (OD) is 1427038835

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
ROBERT MICHAEL TIERI (OD)
NPI
1427038835
Phone
(978) 266-0017
Address
465 GREAT RD
Enumeration Date
20 January 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
NEW ENGLAND COLLEGE OF OPTOMETRY
Secondary Phone
9787724000
Graduation Year
1982 (44 years ago)
PAC ID
3577695907
Group Practice PAC ID
2466433032
Professional Enrollment ID
I20100720000551
Address ID
MA014321191AY190XXRDXX301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,116 OPTOMETRY in MA

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Provider Addresses for ROBERT MICHAEL TIERI (OD)

  • 465, Great Road, Avalon Acton, Acton, Middlesex County, Massachusetts, 01720, United States

    ACTON, MA 01720

    Phone: (978) 266-0017

    Fax: (978) 263-5700

    Type: Location

  • PO BOX 301

    MAYNARD, MA 01754

    Phone: (978) 266-0017

    Fax: (978) 263-5700

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $25.

Total Amount is formed as General ($25) + Research ($0) + Ownership ($0) = $25.

Last reported payment date: 2024-10-07 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($25).

Total Amount

$25

General + Research + Ownership

Payments

1

Total payment records

General Amount

$25

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-07

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2010-07-20

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
I20100720000551IOptometryMATBD

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 system7878$0
92004New patient complete exam of visual system3737$0
View full utilization report →

Insurance plans in this area (ZIP 01720)

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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: 2466433032View full group profile
NameSpecialtyState
O P H T H A L M O L O G YMA
O P H T H A L M O L O G YMA

Reviews

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Frequently asked questions

Is ROBERT MICHAEL TIERI (OD) listed with a National Provider Identifier?
Yes — ROBERT MICHAEL TIERI (OD) has NPI 1427038835 on file in the registry.
Is there an active status for ROBERT MICHAEL TIERI (OD)?
For scheduling context, ROBERT MICHAEL TIERI (OD) is shown as active in the registry.
What kind of doctor is ROBERT MICHAEL TIERI (OD)?
ROBERT MICHAEL TIERI (OD) is associated with Optometrist in the directory — Clinical services aligned with this taxonomy classification.
What locale is associated with ROBERT MICHAEL TIERI (OD)?
Directory geography for ROBERT MICHAEL TIERI (OD) centers on Acton, Massachusetts.
Can I trust this NPI listing for ROBERT MICHAEL TIERI (OD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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