MR. CLARK IRVIN GROTHE (LCSW) – Clinical Social Worker, NPI 1225478951

MR. CLARK IRVIN GROTHE (LCSW) is a healthcare provider. based in Oklahoma city, Oklahoma. specializing in Clinical Social Worker. They hold the professional credentials LCSW. The NPI Number for MR. CLARK IRVIN GROTHE (LCSW) is 1225478951

Main info

Male
36 Years Of Experience
Accepts Medicare Assignment
Name
MR. CLARK IRVIN GROTHE (LCSW)
NPI
1225478951
Phone
(405) 858-2826
Address
4436 NW 50TH ST
Enumeration Date
26 June 2013
Last Update Date
26 June 2013

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9186893333
Graduation Year
1990 (36 years ago)
PAC ID
2769734805
Group Practice PAC ID
8022061373
Professional Enrollment ID
I20181017003284
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience29
Completeness75
Years active:12State licenses:0Digital endpointsOther names

Provider Addresses for MR. CLARK IRVIN GROTHE (LCSW)

  • 4436 NW 50TH ST

    OKLAHOMA CITY, OK 731122212

    Phone: (405) 858-2826

    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: 2018-10-17

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
I20181017003284IClinical Social WorkerOKTBD

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 73112)

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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: 8022061373View full group profile
NameSpecialtyState
P S Y C H I A T R YOK
Nurse PractitionerOK
-OK
O P T O M E T R YOK
Nurse PractitionerOK
Nurse PractitionerOK
-OK
Clinical Social WorkerOK
Nurse PractitionerOK
Physician AssistantCA

Reviews

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Frequently asked questions

Is there an official ID for MR. CLARK IRVIN GROTHE (LCSW) in U.S. healthcare records?
The official identifier for MR. CLARK IRVIN GROTHE (LCSW) is NPI 1225478951.
Is MR. CLARK IRVIN GROTHE (LCSW) shown as active in public data?
Registry records indicate MR. CLARK IRVIN GROTHE (LCSW) maintains an active NPI.
What area of care is associated with MR. CLARK IRVIN GROTHE (LCSW)?
MR. CLARK IRVIN GROTHE (LCSW)'s record emphasizes Clinical Social Worker. Clinical services aligned with this taxonomy classification.
Where in Oklahoma is MR. CLARK IRVIN GROTHE (LCSW) registered?
Use Oklahoma City, Oklahoma as the headline location for MR. CLARK IRVIN GROTHE (LCSW) here.
Can I trust this NPI listing for MR. CLARK IRVIN GROTHE (LCSW)?
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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