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CAITLIN RUTH KLEIN NP
NPI 1659263978
Nurse Practitioner - Adult Health in Ann Arbor, MI

Active since July 21, 2025PECOS Enrolled
4673 WASHTENAW AVE, ANN ARBOR, MI 48108(734) 547-5009(734) 215-1231 Get Directions Write a Review

NPPES record last updated: July 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Caitlin Ruth Klein Np NPPES

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

CAITLIN RUTH KLEIN NP (NPI 1659263978) is an individual adult health provider in Ann Arbor, Michigan, licensed in Michigan (4704242813) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1659263978
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameCAITLIN RUTH KLEINCredential: NP
Location Address4673 WASHTENAW AVEAnn Arbor, MI 48108-1301
Mailing Address1516 Morton AveAnn Arbor, MI 48104-4439 · (734) 717-9388
Phone(734) 547-5009
Fax(734) 215-1231
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJuly 21, 2025
NPPES CertifiedJuly 20, 2025
✔ NPI 1659263978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MI · 4704242813
4673 WASHTENAW AVE, Ann Arbor, MI 48108
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Caitlin Ruth Klein Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9335623990
PECOS Enrollment IDI20260320002842
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 Reassignment

Medicare enrollment records show Caitlin Klein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Packard Health, Inc.
0.5 mi
Clinic/Center
2650 CARPENTER RD
Ann Arbor, MI 48108
  • Reassigned Medicare billing, Michigan enrollment
  • 31 clinicians in this Medicare group
NPI 1609988245 (734) 971-1073

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 48108 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MIKAYLA BROOKS BA, CADC-DP
Counselor (Addiction (Substance Use Disorder))
4673 WASHTENAW AVE
ANN ARBOR, MI 48108
Washtenaw County (734) 547-5009
DANIELLE CHAPARRO-YONKIN LPC
Counselor (Addiction (Substance Use Disorder))
4673 WASHTENAW AVE
ANN ARBOR, MI 48108
Washtenaw County (734) 544-1523
ALEXANDER STONE ROBERTSON
Counselor (Addiction (Substance Use Disorder))
4673 WASHTENAW AVE
ANN ARBOR, MI 48108
Washtenaw County (734) 547-5009
EARLENE EASTER CRAIG II CCAR
Peer Specialist
4673 WASHTENAW AVE
ANN ARBOR, MI 48108
Washtenaw County (734) 547-5009
MISS MCKENNA MARIE BAUSMAN
Counselor (Addiction (Substance Use Disorder))
4673 WASHTENAW AVE
ANN ARBOR, MI 48108
Washtenaw County (734) 547-5009
MR. TERRANCE JEROME BYRD LPN
Licensed Practical Nurse
4673 WASHTENAW AVE
ANN ARBOR, MI 48108
Washtenaw County (734) 547-5009
AYESHA KHAN
Case Manager/Care Coordinator
4673 WASHTENAW AVE
ANN ARBOR, MI 48108
Washtenaw County (734) 547-5009
ANN ARBOR TREATMENT SERVICES, LLC
Clinic/Center (Methadone)
4673 WASHTENAW AVE
ANN ARBOR, MI 48108
Washtenaw County (734) 544-1523

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 Caitlin Klein's NPI number?

The NPI number for Caitlin Klein is 1659263978. It was assigned to this individual provider in the NPPES registry on July 21, 2025.

Where is Caitlin Klein located?

Caitlin Klein practices at 4673 Washtenaw Ave, Ann Arbor, MI 48108. The listed phone number is (734) 547-5009.

What is Caitlin Klein's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Caitlin Klein enrolled in Medicare?

Yes. Caitlin Klein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Caitlin Klein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caitlin Klein reassigns Medicare benefits to Packard Health, Inc. (Ann Arbor, MI). The 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 Caitlin Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caitlin Klein accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Caitlin Klein 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 Caitlin Klein was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.