MR. WILLIAM A. GELINAS (PA-C) – Physician Assistant, NPI 1790770774

MR. WILLIAM A. GELINAS (PA-C) is a healthcare provider. based in South portland, Maine. specializing in Physician Assistant. They hold the professional credentials PA-C. They hold a License No. PA667 (ME). The NPI Number for MR. WILLIAM A. GELINAS (PA-C) is 1790770774

Main info

Male
Name
MR. WILLIAM A. GELINAS (PA-C)
NPI
1790770774
Phone
(207) 661-6654
Address
78 ATLANTIC PL
Enumeration Date
15 September 2005
Last Update Date
25 October 2016
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 MR. WILLIAM A. GELINAS (PA-C)

  • 78, Atlantic Place, South Portland, Cumberland County, Maine, 04106, United States

    SOUTH PORTLAND, ME 041062316

    Phone: (207) 661-6654

    Fax: (207) 842-7773

    Type: Mailing

  • Spring Harbor Hospital, 123, Andover Road, Westbrook, Cumberland County, Maine, 04092, United States

    WESTBROOK, ME 040923848

    Phone: (207) 761-2200

    Fax: (207) 761-2108

    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: 2008-12-15

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
I20081215000132IPhysician AssistantMETBD

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
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes16242$0
View full utilization report →

Insurance plans in this area (ZIP 04106)

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Reviews

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Frequently asked questions

Where can patients find MR. WILLIAM A. GELINAS (PA-C)'s NPI?
You can confirm MR. WILLIAM A. GELINAS (PA-C) with NPI 1790770774; it appears in the national provider directory.
Is MR. WILLIAM A. GELINAS (PA-C)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Does MR. WILLIAM A. GELINAS (PA-C) list a primary specialty?
If you are matching referrals, note Physician Assistant for MR. WILLIAM A. GELINAS (PA-C). Clinical services aligned with this taxonomy classification.
Does MR. WILLIAM A. GELINAS (PA-C) practice in Maine?
You will see South Portland, Maine on file for MR. WILLIAM A. GELINAS (PA-C) alongside any extra practice locations.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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