MICHAEL J GREGSON (MD) – Undersea and Hyperbaric Medicine (Emergency Medicine) Physician, NPI 1659370443

MICHAEL J GREGSON (MD) is a healthcare provider. based in Pocatello, Idaho. specializing in PHYSICAL MEDICINE AND REHABILITATION. They hold the professional credentials MD. They hold a License No. M3289 (ID). The NPI Number for MICHAEL J GREGSON (MD) is 1659370443

Main info

Male
58 Years Of Experience
Accepts Medicare Assignment
Name
MICHAEL J GREGSON (MD)
NPI
1659370443
Phone
(208) 237-1151
Address
1125 W ALAMEDA RD
Enumeration Date
14 July 2005
Last Update Date
13 July 2007

Doctor Profile

Medical School Name
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Secondary Phone
2082371151
Graduation Year
1968 (58 years ago)
PAC ID
3274667944
Group Practice PAC ID
0547164923
Professional Enrollment ID
I20100817000548
Address ID
ID832056143PO1125XRDXX400
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

64 PHYSICAL MEDICINE AND REHABILITATION in ID

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Provider Addresses for MICHAEL J GREGSON (MD)

  • 1125, West Alameda Road, Pocatello, Bannock County, Idaho, 83201, United States

    POCATELLO, ID 832016143

    Phone: (208) 237-1151

    Fax: (208) 237-9721

    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: 2010-08-17

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
I20100817000548IPhysical Medicine And RehabilitationIDTBD

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 83201)

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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: 0547164923View full group profile
NameSpecialtyState
Family Practice, Physical Medicine And RehabilitationID

Reviews

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Frequently asked questions

Where can patients find MICHAEL J GREGSON (MD)'s NPI?
You can confirm MICHAEL J GREGSON (MD) with NPI 1659370443; it appears in the national provider directory.
Does this profile mean MICHAEL J GREGSON (MD) is currently active?
Yes — MICHAEL J GREGSON (MD) appears active in the national provider directory.
Can you summarize MICHAEL J GREGSON (MD)'s specialty in plain language?
Clinically, the directory lists MICHAEL J GREGSON (MD) with Undersea and Hyperbaric Medicine (Emergency Medicine) Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for MICHAEL J GREGSON (MD)?
The page summarizes Pocatello, Idaho for MICHAEL J GREGSON (MD); expand the address list for detail.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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