NPPES file of Aug 9, 2026

Caitlin Ruth Klein, NP

Adult Health Nurse Practitioner · Ann Arbor, MI

Caitlin Ruth Klein, NP is an adult health nurse practitioner with a practice address in Ann Arbor, Michigan, and NPI 1659263978, issued on Jul 21, 2025. Check the license (Michigan 4704242813, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659263978
Name
Caitlin Ruth Klein
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
4704242813 MI
Self-reported in NPPES; status is on the state search
Practice location
4673 Washtenaw Ave, Ann Arbor, MI 48108
Phone
(734) 547-5009
Enumerated
Jul 21, 2025
Record last updated
Jul 21, 2025
Fax
(734) 215-1231
Medicare enrollment
Enrolled (PECOS I20260320002842); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest adult health nurse practitioner records → All 831 in Michigan → Look up another NPI →

Also registered at 4673 Washtenaw Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

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  2. Mikayla Brooks, BA, CADC-DPAddiction (Substance Use Disorder) Counselor1053182832
  3. Terrance Byrd, LPNLicensed Practical Nurse1609745256
  4. Christopher ChaneyAddiction (Substance Use Disorder) Counselor1891674545
  5. Danielle Chaparro-Yonkin, LPCAddiction (Substance Use Disorder) Counselor1326408584
  6. Rebecca CorbettAddiction (Substance Use Disorder) Counselor1831949452

Verify Caitlin Ruth Klein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704242813    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Caitlin Ruth Klein among 831 adult health nurse practitioner records in Michigan

Caitlin Ruth Klein, NP is one of 831 adult health nurse practitioner records with a practice address in Michigan. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 97% of them.

  • NPI issued2025 · 97% of these records are older, 1% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2024 · median 2014 among the 406 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Michigan

There are 831 adult health nurse practitioner records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 831 in Michigan → Every provider in Ann Arbor → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Kari Bail, NP-CAnn Arbor, MI 481081700137528
  2. Lillian Henry, ANPAnn Arbor, MI 481081043390529
  3. Sally Bernbeck, MSN, APRN-BCAnn Arbor, MI 481091083790992
  4. Margaret Jacobs, APRN, BCAnn Arbor, MI 481091467563346
  5. Debra Jeffries, NPAnn Arbor, MI 481091225219017
  6. Marilyn KellumAnn Arbor, MI 481091659472702
  7. Janis Miller, NPAnn Arbor, MI 481091699891887
  8. Christine Pionk, NPAnn Arbor, MI 481091669687042

Common questions

What is Caitlin Ruth Klein, NP's NPI number?

Caitlin Ruth Klein, NP's National Provider Identifier (NPI) is 1659263978, issued on Jul 21, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Caitlin Ruth Klein, NP located?

The NPPES record lists a practice address at 4673 Washtenaw Ave, Ann Arbor, MI, 48108. Phone: (734) 547-5009. Providers update this record themselves, so call before visiting.

How can I verify Caitlin Ruth Klein, NP's license?

NPPES lists Michigan license number 4704242813, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.