GREENWICH ANESTHESIOLOGY ASSOCIATES, PC – Anesthesiology Physician, NPI 1972557486

GREENWICH ANESTHESIOLOGY ASSOCIATES, PC is a healthcare provider. based in Jackson, Michigan. specializing in Anesthesiology Physician. The NPI Number for GREENWICH ANESTHESIOLOGY ASSOCIATES, PC is 1972557486

Main info

Organization
Name
GREENWICH ANESTHESIOLOGY ASSOCIATES, PC
NPI
1972557486
Phone
(517) 787-6440
Address
255 W MICHIGAN AVE
Authorized Official
DR. PAUL SYGALL DELEGATED OFFICIAL MD
Enumeration Date
20 May 2006
Last Update Date
13 January 2022
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience65
Completeness75
Years active:20State licenses:0Digital endpointsOther names

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Provider Addresses for GREENWICH ANESTHESIOLOGY ASSOCIATES, PC

  • 255, West Michigan Avenue, Jackson, Jackson County, Michigan, 49201, United States

    JACKSON, MI 492012218

    Phone: (517) 787-6440

    Fax: (517) 787-4146

    Type: Mailing

  • Greenwich Hospital, 5, Perryridge Road, Greenwich, Fairfield County, Connecticut, 06830, United States

    GREENWICH, CT 068304608

    Phone: (203) 579-9464

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2004-02-03

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
O20040203000088OClinic/Group PracticeCTTBD

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 49201)

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Reviews

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Frequently asked questions

Can I use this page to confirm GREENWICH ANESTHESIOLOGY ASSOCIATES, PC's NPI?
Yes. GREENWICH ANESTHESIOLOGY ASSOCIATES, PC is listed with NPI 1972557486 in the public NPI dataset.
Is GREENWICH ANESTHESIOLOGY ASSOCIATES, PC still practicing?
GREENWICH ANESTHESIOLOGY ASSOCIATES, PC is currently listed as active in the public NPI registry.
What is GREENWICH ANESTHESIOLOGY ASSOCIATES, PC's specialty?
The listing groups GREENWICH ANESTHESIOLOGY ASSOCIATES, PC with Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
Does GREENWICH ANESTHESIOLOGY ASSOCIATES, PC list a practice location?
Patients near Jackson, Michigan may find GREENWICH ANESTHESIOLOGY ASSOCIATES, PC in results; validate coverage separately.
Why does GREENWICH ANESTHESIOLOGY ASSOCIATES, PC 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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