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CAITLYN MARIE WITEK LMSW
NPI 1033547690
Social Worker - Clinical in Southfield, MI

Active since October 17, 2013PECOS EnrolledAccepts Medicare Assignment
22555 GREENFIELD RD STE 550, SOUTHFIELD, MI 48075(844) 576-9226(248) 849-8313 Get Directions Write a Review

NPPES record last updated: April 19, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 19, 2018, Nov 2, 2016, Oct 27, 2016 (3 updates tracked since 2016).

About Caitlyn Marie Witek Lmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAITLYN MARIE WITEK LMSW (NPI 1033547690) is an individual clinical provider in Southfield, Michigan, licensed in Michigan (6801096190) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1033547690
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameCAITLYN MARIE WITEKCredential: LMSW
Location Address22555 GREENFIELD RD STE 550Southfield, MI 48075-3703
Mailing Address13730 Elgin StOak Park, MI 48237-1100 · (248) 974-6565
Phone(844) 576-9226
Fax(248) 849-8313
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateOctober 17, 2013
Last NPPES UpdateApril 19, 20183 updates tracked since enumeration
✔ NPI 1033547690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MI · 6801096190
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
22555 GREENFIELD RD STE 550, Southfield, MI 48075
Open in Google Maps ↗

Other Names 1

Former Name (1)Caitlyn Marie Case Lmsw

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caitlyn Marie Witek Lmsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446513709
PECOS Enrollment IDI20180419000523
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Caitlyn Witek reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Luna Health
3.0 mi
Social Worker
29551 GREENFIELD RD STE 116
Southfield, MI 48076
  • Reassigned Medicare billing, Michigan enrollment
  • 2 clinicians in this Medicare group
NPI 1487256459 (248) 974-6565
Seton Health Corporation Of Southeastern Michigan
16 mi
Family Medicine
15855 19 MILE RD
Clinton Township, MI 48038
  • Reassigned Medicare billing, Michigan enrollment
  • 111 clinicians in this Medicare group
NPI 1598177065 (248) 680-8000
Rmj1
25 mi
Social Worker
5331 PLYMOUTH RD
Ann Arbor, MI 48105
  • Reassigned Medicare billing, Michigan enrollment
  • 16 clinicians in this Medicare group
NPI 1841853850 (734) 412-7300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48075 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $58.04 – $177.36
Typical copayment $0.00 (range $14.51 – $44.34)
Most-billed visit code NA
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Caitlyn Witek's NPI number?

The NPI number for Caitlyn Witek is 1033547690. It was assigned to this individual provider in the NPPES registry on October 17, 2013. The provider is also known as Caitlyn Marie Case Lmsw.

Where is Caitlyn Witek located?

Caitlyn Witek practices at 22555 Greenfield Rd Ste 550, Southfield, MI 48075. The listed phone number is (844) 576-9226.

What is Caitlyn Witek's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Caitlyn Witek enrolled in Medicare?

Yes. Caitlyn Witek is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Caitlyn Witek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caitlyn Witek reassigns Medicare benefits to 3 organizations: Luna Health (Southfield, MI), Seton Health Corporation Of Southeastern Michigan (Clinton Township, MI) and Rmj1 (Ann Arbor, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Caitlyn Witek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caitlyn Witek accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list Caitlyn Witek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Caitlyn Witek was last updated on April 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.