Registry data as of Aug 27, 2026

Marlowe Klein, NP

Nurse Practitioner · Santa Ana, CA

Marlowe Klein, NP is a nurse practitioner with a practice address in Santa Ana, California, and NPI 1013766427, issued on May 16, 2024. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1013766427
Name
Marlowe Klein
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
Practice location
517 N Main St, Santa Ana, CA 92701
Phone
(714) 647-0401
Enumerated
May 16, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 517 N Main St

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

  1. Robert Balette, M.D.General Practice Physician1922271063
  2. Stacey Berardino, PH.D.Clinical Psychologist1942373949
  3. Sally Dorsey, MFTMarriage & Family Therapist1275607962
  4. Louise Jones, DNP, APRN, FNP, CCRNCritical Care Medicine Registered Nurse1013577550
  5. Tracie Kelly, N.P.Registered Nurse1942639760
  6. Ricardo Limon, PAMedical Physician Assistant1588911598

Verify Marlowe Klein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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 California 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

98% fewer Medicare Part D claims than the average nurse practitioner in 2024

25 Medicare Part D claims, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D.

  1. Marlowe Klein25
  2. Specialty average1,144

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $19.93

1 payment, mostly food and beverage; the largest payer was Abbvie Inc.. The 36,168 providers of this specialty with any payment received $802.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marlowe Klein$19.93
  2. Specialty average$802.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Nurse Practitioner providers in California

There are 7,120 nurse practitioner records in California.

All 7,120 in California → Every provider in Santa Ana →

Other nurse practitioner records in California

  1. Barbara Aaronson, RN/NURSE PRACTITONERLos Angeles, CA1588988182
  2. Albert Aba, AGNPSan Francisco, CA1578353777
  3. Venice AbabatColton, CA1083240881
  4. Martha Ababneh, CNAEl Monte, CA1275118614
  5. Chelsea Abad, CRNP, AGPCNP - BCDuarte, CA1952848137
  6. Shayda Abadi, NPPalo Alto, CA1316745540
  7. Jessika Abarca, NPSan Fernando, CA1972263945
  8. Hangama Abassi, N.P.Walnut Creek, CA1487083655
  9. Elizabeth Abaunza, NPSan Francisco, CA1962044347
  10. Honeylynn Abaya, NPMoreno Valley, CA1528799145

Common questions

What is Marlowe Klein, NP's NPI number?

Marlowe Klein, NP's National Provider Identifier (NPI) is 1013766427, issued on May 16, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Marlowe Klein, NP located?

The NPPES record lists a practice address at 517 N Main St, Santa Ana, CA, 92701. Phone: (714) 647-0401. Providers update this record themselves, so call before visiting.

How can I verify Marlowe Klein, NP's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Marlowe Klein, NP prescribe under Medicare Part D?

In 2024, Marlowe Klein, NP had 25 Medicare Part D claims; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.