KATHERINE NAU GRIECO (D.O.) – Addiction Medicine (Family Medicine) Physician, NPI 1396940722

KATHERINE NAU GRIECO (D.O.) is a healthcare provider. based in Hartford, Connecticut. specializing in ADDICTION MEDICINE, FAMILY PRACTICE. They hold the professional credentials D.O.. They hold a License No. 048852 (CT). The NPI Number for KATHERINE NAU GRIECO (D.O.) is 1396940722

Main info

Female
Sole Proprietor
21 Years Of Experience
Accepts Medicare Assignment
Name
KATHERINE NAU GRIECO (D.O.)
NPI
1396940722
Phone
(484) 529-7465
Address
200 RETREAT AVE
Enumeration Date
16 June 2007
Last Update Date
25 September 2020

Doctor Profile

Medical School Name
UNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Secondary Phone
8605457500
Graduation Year
2005 (21 years ago)
PAC ID
3577614197
Group Practice PAC ID
2567366016
Professional Enrollment ID
I20120110000838
Address ID
CT061060000HA200XXAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience65
Completeness75
Years active:18State licenses:1Digital endpointsOther names

70 ADDICTION MEDICINE in CT

Provider Addresses for KATHERINE NAU GRIECO (D.O.)

  • Institute of Living, 200, Retreat Avenue, Hartford, Hartford County, Connecticut, 06106, United States

    HARTFORD, CT 061063309

    Phone: (484) 529-7465

    Type: Mailing

  • 360 State St Apt 709

    New Haven, CT 065103602

    Phone: (484) 529-7465

    Type: Location

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 $129.

Total Amount is formed as General ($129) + Research ($0) + Ownership ($0) = $129.

Last reported payment date: 2024-07-22 • Largest payer in this snapshot: Gilead Sciences, Inc. ($129).

Total Amount

$129

General + Research + Ownership

Payments

1

Total payment records

General Amount

$129

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-07-22

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Gilead Sciences, Inc.$129
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: 2012-01-10

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
I20120110000838IAddiction 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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 06106)

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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: 2567366016View full group profile

Reviews

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Frequently asked questions

Can I verify KATHERINE NAU GRIECO (D.O.) with an NPI only?
You can start verification with NPI 1396940722 for KATHERINE NAU GRIECO (D.O.), then check state licensing separately.
Does CMS list KATHERINE NAU GRIECO (D.O.) as active?
Yes — KATHERINE NAU GRIECO (D.O.) is active in the NPI listing used on this page.
What is KATHERINE NAU GRIECO (D.O.)'s primary classification?
Addiction Medicine (Family Medicine) Physician is the headline specialty for KATHERINE NAU GRIECO (D.O.) here. Clinical services aligned with this taxonomy classification.
Does KATHERINE NAU GRIECO (D.O.) list a practice location?
Patients near Hartford, Connecticut may find KATHERINE NAU GRIECO (D.O.) in results; validate coverage separately.
Is the information about KATHERINE NAU GRIECO (D.O.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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