JOAN S. HIER (MD) – Obstetrics & Gynecology Physician, NPI 1336302918

JOAN S. HIER (MD) is a healthcare provider. based in Brookline, Massachusetts. specializing in OBSTETRICS/GYNECOLOGY. They hold the professional credentials MD. They hold a License No. L-237220 (MA). The NPI Number for JOAN S. HIER (MD) is 1336302918

Main info

Female
18 Years Of Experience
Name
JOAN S. HIER (MD)
NPI
1336302918
Phone
(617) 735-8800
Address
1 BROOKLINE PL
Enumeration Date
3 July 2008
Last Update Date
26 February 2013

Doctor Profile

Medical School Name
GEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Secondary Phone
6177358800
Graduation Year
2008 (18 years ago)
PAC ID
8729245162
Group Practice PAC ID
4284671173
Professional Enrollment ID
I20121022000525
Address ID
MA024457296BR1XXXXPLXX304
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience48
Completeness75
Years active:17State licenses:1Digital endpointsOther names

1,231 OBSTETRICS/GYNECOLOGY in MA

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Provider Addresses for JOAN S. HIER (MD)

  • 1, Brookline Place, Brookline, Norfolk County, Massachusetts, 02130-4803, United States

    SUITE 521

    BROOKLINE, MA 024457224

    Phone: (617) 735-8800

    Fax: (617) 278-9358

    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 1 Open Payments records for all available years, with a total value of $31.

Total Amount is formed as General ($31) + Research ($0) + Ownership ($0) = $31.

Last reported payment date: 2024-12-12 • Largest payer in this snapshot: CooperSurgical, Inc. ($31).

Total Amount

$31

General + Research + Ownership

Payments

1

Total payment records

General Amount

$31

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-12

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
CooperSurgical, Inc.$31
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: 2012-10-22

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
I20121022000525IObstetrics/GynecologyMATBD

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
G0101Cervical or vaginal cancer screening; pelvic and clinical breast examination1313$0
View full utilization report →

Insurance plans in this area (ZIP 02445)

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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: 4284671173View full group profile
NameSpecialtyState
O B S T E T R I C S/ G Y N E C O L O G YMA
O B S T E T R I C S/ G Y N E C O L O G YMA
O B S T E T R I C S/ G Y N E C O L O G YMA
O B S T E T R I C S/ G Y N E C O L O G YMA
O B S T E T R I C S/ G Y N E C O L O G YMA

Reviews

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Frequently asked questions

Can I use this page to confirm JOAN S. HIER (MD)'s NPI?
Yes. JOAN S. HIER (MD) is listed with NPI 1336302918 in the public NPI dataset.
Can I rely on JOAN S. HIER (MD) being an active provider?
As of the registry snapshot, JOAN S. HIER (MD) is marked active.
What taxonomy line describes JOAN S. HIER (MD)?
For research purposes, treat JOAN S. HIER (MD) as Obstetrics & Gynecology Physician in this dataset. Clinical services aligned with this taxonomy classification.
Where is JOAN S. HIER (MD) based?
JOAN S. HIER (MD) is tied to Brookline, Massachusetts in the data we show; additional addresses may exist on the full record.
Why does JOAN S. HIER (MD) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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