GREGORY JOHN MOHRENWEISER (CRNA) – Certified Registered Nurse Anesthetist, NPI 1386797512

GREGORY JOHN MOHRENWEISER (CRNA) is a healthcare provider. based in Onamia, Minnesota. specializing in CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA). They hold the professional credentials CRNA. They hold a License No. R0870803 (MN). The NPI Number for GREGORY JOHN MOHRENWEISER (CRNA) is 1386797512

Main info

Male
45 Years Of Experience
Accepts Medicare Assignment
Name
GREGORY JOHN MOHRENWEISER (CRNA)
NPI
1386797512
Phone
Not provided
Address
8489 STATE HIGHWAY 27
Enumeration Date
19 January 2007
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6128104738
Graduation Year
1981 (45 years ago)
PAC ID
8224001094
Group Practice PAC ID
0648250548
Professional Enrollment ID
I20040818001363
Address ID
MN55305XXXXMIXXXXXXXXXX00
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

2,131 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in MN

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Provider Addresses for GREGORY JOHN MOHRENWEISER (CRNA)

  • 8489 STATE HIGHWAY 27

    ONAMIA, MN 563597848

    Phone:

    Type: Mailing

  • Arne Wellness Center, 13911, Ridgedale Drive, Minnetonka, Hennepin County, Minnesota, 55305, United States

    SUITE 350

    MINNETONKA, MN 553051771

    Phone: (952) 932-9012

    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: 2004-08-18

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
I20040818001363ICertified Registered Nurse Anesthetist (Crna)MNTBD

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
00142Anesthesia for lens surgery10790$0
View full utilization report →

Insurance plans in this area (ZIP 56359)

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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: 0648250548View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)MN
A N E S T H E S I O L O G YMN
A N E S T H E S I O L O G YMN
-MN
-MN
-MN
A N E S T H E S I O L O G YMN
A N E S T H E S I O L O G YMN

Reviews

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Frequently asked questions

Can I cross-check GREGORY JOHN MOHRENWEISER (CRNA) using NPI 1386797512?
NPI 1386797512 belongs to GREGORY JOHN MOHRENWEISER (CRNA); compare other details if you need extra assurance.
Would GREGORY JOHN MOHRENWEISER (CRNA) appear as active to a payer?
You can treat GREGORY JOHN MOHRENWEISER (CRNA) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe GREGORY JOHN MOHRENWEISER (CRNA)'s focus?
For GREGORY JOHN MOHRENWEISER (CRNA), the primary taxonomy reads as Certified Registered Nurse Anesthetist. Clinical services aligned with this taxonomy classification.
Is GREGORY JOHN MOHRENWEISER (CRNA) associated with Onamia?
Public fields place GREGORY JOHN MOHRENWEISER (CRNA) around Onamia, Minnesota. Always confirm the exact site before visiting.
Does GREGORY JOHN MOHRENWEISER (CRNA) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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