GREGORY WILLIAM JOHNSON (MD) – Family Medicine Physician, NPI 1124016134

GREGORY WILLIAM JOHNSON (MD) is a healthcare provider. based in Iron mountain, Michigan. specializing in Family Medicine Physician. They hold the professional credentials MD. They hold a License No. 32895-020 (WI). The NPI Number for GREGORY WILLIAM JOHNSON (MD) is 1124016134

Main info

Male
Name
GREGORY WILLIAM JOHNSON (MD)
NPI
1124016134
Phone
(906) 774-3300
Address
325 E H ST
Enumeration Date
12 October 2005
Last Update Date
9 January 2019
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for GREGORY WILLIAM JOHNSON (MD)

  • Oscar G. Johnson Veterans Affairs Medical Center, 325, East H Street, Iron Mountain, Dickinson County, Michigan, 49801, United States

    IRON MOUNTAIN, MI 498014760

    Phone: (906) 774-3300

    Mailing address matches the actual address.

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: 2011-07-12

PECOS data refreshed: 2026-06-15

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
I20110712000407IFamily PracticeTNTBD

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 49801)

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Reviews

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Frequently asked questions

Is GREGORY WILLIAM JOHNSON (MD) listed with a National Provider Identifier?
Yes — GREGORY WILLIAM JOHNSON (MD) has NPI 1124016134 on file in the registry.
Would GREGORY WILLIAM JOHNSON (MD) appear as active to a payer?
You can treat GREGORY WILLIAM JOHNSON (MD) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe GREGORY WILLIAM JOHNSON (MD)'s focus?
For GREGORY WILLIAM JOHNSON (MD), the primary taxonomy reads as Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Is GREGORY WILLIAM JOHNSON (MD) located near Iron Mountain?
GREGORY WILLIAM JOHNSON (MD) currently maps to Iron Mountain, Michigan in this extract.
When was this NPI issued?
Enumeration for GREGORY WILLIAM JOHNSON (MD) is noted as October 12, 2005 where the registry provides it.

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