GREGORY ARMSTRONG (PAC) – Physician Assistant, NPI 1275594129

GREGORY ARMSTRONG (PAC) is a healthcare provider. based in Willoughby, Ohio. specializing in Physician Assistant. They hold the professional credentials PAC. They hold a License No. 50000324 (OH). The NPI Number for GREGORY ARMSTRONG (PAC) is 1275594129

Main info

Male
Name
GREGORY ARMSTRONG (PAC)
NPI
1275594129
Phone
(440) 953-6203
Address
36000 EUCLID AVE
Enumeration Date
30 March 2006
Last Update Date
5 July 2011
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

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Provider Addresses for GREGORY ARMSTRONG (PAC)

  • Lake County Memorial Hospital West, 36000, Euclid Avenue, Willoughby, Lake County, Ohio, 44094, United States

    WILLOUGHBY, OH 44094

    Phone: (440) 953-6203

    Fax: (440) 953-6202

    Type: Location

  • 24701, Euclid Avenue, Euclid, Cuyahoga County, Ohio, 44117, United States

    3RD FLOOR

    EUCLID, OH 441171714

    Phone:

    Type: Mailing

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: 2011-01-13

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
I20110113001154IPhysician AssistantOHTBD

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
99284Emergency department visit with moderate level of medical decision making3232$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only1615$0
99285Emergency department visit with high level of medical decision making1212$0
View full utilization report →

Insurance plans in this area (ZIP 44094)

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Reviews

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Frequently asked questions

What is GREGORY ARMSTRONG (PAC)'s NPI number?
GREGORY ARMSTRONG (PAC)'s NPI is 1275594129 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to GREGORY ARMSTRONG (PAC)?
You should see GREGORY ARMSTRONG (PAC) as active in CMS-hosted NPPES data.
What expertise is attributed to GREGORY ARMSTRONG (PAC)?
GREGORY ARMSTRONG (PAC)'s specialty line reads Physician Assistant. Clinical services aligned with this taxonomy classification.
What locale is associated with GREGORY ARMSTRONG (PAC)?
Directory geography for GREGORY ARMSTRONG (PAC) centers on Willoughby, Ohio.
Can I trust this NPI listing for GREGORY ARMSTRONG (PAC)?
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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