GLYNIS A WALSH (MD) – Specialist, NPI 1477505188

GLYNIS A WALSH (MD) is a healthcare provider. based in Old greenwich, Connecticut. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. MD34706 (TN). The NPI Number for GLYNIS A WALSH (MD) is 1477505188

Main info

Female
28 Years Of Experience
Accepts Medicare Assignment
Name
GLYNIS A WALSH (MD)
NPI
1477505188
Phone
(203) 344-1982
Address
18 W END AVE
Enumeration Date
17 May 2006
Last Update Date
6 November 2007

Doctor Profile

Medical School Name
GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
6152845555
Graduation Year
1998 (28 years ago)
PAC ID
8921179144
Group Practice PAC ID
3678464526
Professional Enrollment ID
I20150727000877
Address ID
TN372360002NA2000XSTXX300
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

839 EMERGENCY MEDICINE in CT

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Provider Addresses for GLYNIS A WALSH (MD)

  • 18, West End Avenue, Old Greenwich, Greenwich, Western Connecticut Planning Region, Connecticut, 06870, United States

    OLD GREENWICH, CT 068701605

    Phone: (203) 344-1982

    Type: Mailing

  • Norwalk Hospital, 34, Maple Street, Clarmont, Norwalk, Fairfield County, Connecticut, 06856, United States

    NORWALK HOSPITAL EMERGENCY DEPARTMENT

    NORWALK, CT 06852

    Phone: (203) 852-2281

    Fax: (203) 855-3705

    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: 2015-07-27

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
I20150727000877IEmergency MedicineTNTBD

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
99285Emergency department visit with high level of medical decision making183178$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only151150$0
99284Emergency department visit with moderate level of medical decision making3734$0
99291Critical care, first 30-74 minutes2121$0
View full utilization report →

Insurance plans in this area (ZIP 06870)

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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: 3678464526View full group profile

Reviews

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Frequently asked questions

How do payers reference GLYNIS A WALSH (MD)?
For GLYNIS A WALSH (MD), use NPI 1477505188 as the unique 10-digit identifier.
Is GLYNIS A WALSH (MD) still an active registrant?
GLYNIS A WALSH (MD) carries an active NPI according to the public dataset.
What area of care is associated with GLYNIS A WALSH (MD)?
GLYNIS A WALSH (MD)'s record emphasizes Other Service Providers. Clinical services aligned with this taxonomy classification.
What locale is associated with GLYNIS A WALSH (MD)?
Directory geography for GLYNIS A WALSH (MD) centers on Old Greenwich, Connecticut.
Can I trust this NPI listing for GLYNIS A WALSH (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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