DR. JENNIFER HARTZELL CALNAN (OD) – Pediatric Optometrist, NPI 1508076027

DR. JENNIFER HARTZELL CALNAN (OD) is a healthcare provider. based in Chelmsford, Massachusetts. specializing in OPTOMETRY. They hold the professional credentials OD. They hold a License No. 4594 (MA). The NPI Number for DR. JENNIFER HARTZELL CALNAN (OD) is 1508076027

Main info

Female
20 Years Of Experience
Accepts Medicare Assignment
Name
DR. JENNIFER HARTZELL CALNAN (OD)
NPI
1508076027
Phone
(978) 703-0250
Address
19 VILLAGE SQ
Enumeration Date
23 May 2007
Last Update Date
11 February 2020

Doctor Profile

Medical School Name
NEW ENGLAND COLLEGE OF OPTOMETRY
Secondary Phone
9782565600
Graduation Year
2006 (20 years ago)
PAC ID
4587754239
Group Practice PAC ID
3476512625
Professional Enrollment ID
I20080121000086
Address ID
MA018242712CH19XXXSQXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,116 OPTOMETRY in MA

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Provider Addresses for DR. JENNIFER HARTZELL CALNAN (OD)

  • 13;15;17;19;21;23, Village Square, Chelmsford, Middlesex County, Massachusetts, 01824, United States

    CHELMSFORD, MA 018242712

    Phone: (978) 703-0250

    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)

CMS reports 12 Open Payments records for all available years, with a total value of $559.

Total Amount is formed as General ($559) + Research ($0) + Ownership ($0) = $559.

Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($276).

Total Amount

$559

General + Research + Ownership

Payments

12

Total payment records

General Amount

$559

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-11

Latest reported date

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: 2008-01-21

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
I20080121000086IOptometryMATBD

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 system238238$0
92133Imaging of optic nerve5045$0
99213Established patient office or other outpatient visit, 20-29 minutes3633$0
92004New patient complete exam of visual system3434$0
92083Exam of visual field with extended testing2725$0
View full utilization report →

Insurance plans in this area (ZIP 01824)

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Provider's Procedures

DR. JENNIFER HARTZELL CALNAN (OD) performs procedures in OPTOMETRY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPTOMETRYMA92083Measurement of field of vision during daylight conditions1313

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: 3476512625View full group profile
NameSpecialtyState
O P H T H A L M O L O G YMA
-MA
O P H T H A L M O L O G YMA
O P T O M E T R YMA
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
O P T O M E T R YMA
O P T O M E T R YMA
-MA
O P T O M E T R YMA

Reviews

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Frequently asked questions

What federal number belongs to DR. JENNIFER HARTZELL CALNAN (OD)?
The federal identifier for DR. JENNIFER HARTZELL CALNAN (OD) is NPI 1508076027.
Is DR. JENNIFER HARTZELL CALNAN (OD) currently active in the NPI registry?
CMS-published data lists DR. JENNIFER HARTZELL CALNAN (OD) as an active registrant.
What kind of provider is DR. JENNIFER HARTZELL CALNAN (OD)?
The page reflects Pediatric Optometrist for DR. JENNIFER HARTZELL CALNAN (OD). Clinical services aligned with this taxonomy classification.
Where does public data place DR. JENNIFER HARTZELL CALNAN (OD)?
The snapshot lists Chelmsford, Massachusetts for DR. JENNIFER HARTZELL CALNAN (OD); download NPPES for the complete set.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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