ROSEMARY CATHERINE BONTEMPI (M.D.) – Internal Medicine Physician, NPI 1346235462

ROSEMARY CATHERINE BONTEMPI (M.D.) is a healthcare provider. based in Mystic, Connecticut. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 030639 (CT). The NPI Number for ROSEMARY CATHERINE BONTEMPI (M.D.) is 1346235462

Main info

Female
40 Years Of Experience
Accepts Medicare Assignment
Name
ROSEMARY CATHERINE BONTEMPI (M.D.)
NPI
1346235462
Phone
(860) 572-8911
Address
200 SANDY HOLLOW RD
Enumeration Date
14 September 2005
Last Update Date
22 December 2009

Doctor Profile

Medical School Name
ALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
Secondary Phone
8602765144
Graduation Year
1986 (40 years ago)
PAC ID
5799801023
Group Practice PAC ID
1153573902
Professional Enrollment ID
I20100923001542
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

Provider Addresses for ROSEMARY CATHERINE BONTEMPI (M.D.)

  • 200 SANDY HOLLOW RD

    MYSTIC, CT 063551720

    Phone: (860) 572-8911

    Fax: (860) 572-7758

    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 2 Open Payments records for all available years, with a total value of $37.

Total Amount is formed as General ($37) + Research ($0) + Ownership ($0) = $37.

Last reported payment date: 2024-01-24 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($37).

Total Amount

$37

General + Research + Ownership

Payments

2

Total payment records

General Amount

$37

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-01-24

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
GlaxoSmithKline, LLC.$37
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: 2010-09-23

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
I20100923001542IInternal MedicineCTTBD

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
99213Established patient office or other outpatient visit, 20-29 minutes261122$0
99214Established patient office or other outpatient visit, 30-39 minutes11169$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit110110$0
G0008Administration of influenza virus vaccine6564$0
90662Influenza vaccine split virus, preservative free6362$0
View full utilization report →

Insurance plans in this area (ZIP 06355)

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Provider's Procedures

ROSEMARY CATHERINE BONTEMPI (M.D.) performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINECT83036Hemoglobin A1C level5738
INTERNAL MEDICINECT90670Pneumococcal vaccine for injection into muscle1111

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: 1153573902View full group profile

Reviews

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Frequently asked questions

Can I use this page to confirm ROSEMARY CATHERINE BONTEMPI (M.D.)'s NPI?
Yes. ROSEMARY CATHERINE BONTEMPI (M.D.) is listed with NPI 1346235462 in the public NPI dataset.
Does the file indicate ROSEMARY CATHERINE BONTEMPI (M.D.) is practicing under active NPI?
Directory data currently reports ROSEMARY CATHERINE BONTEMPI (M.D.) as active.
What is ROSEMARY CATHERINE BONTEMPI (M.D.) best known for clinically?
Directory data describes ROSEMARY CATHERINE BONTEMPI (M.D.) with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where should I expect ROSEMARY CATHERINE BONTEMPI (M.D.) on a map?
Expect Mystic, Connecticut as a primary anchor for ROSEMARY CATHERINE BONTEMPI (M.D.) unless the record lists multiple sites.
Why does ROSEMARY CATHERINE BONTEMPI (M.D.) 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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