NPPES file of Aug 9, 2026

Deborah Du, RPA-C

Psychiatric/Mental Health Clinical Nurse Specialist · Costa Mesa, CA

Deborah Du, RPA-C is a psychiatric/mental health clinical nurse specialist with a practice address in Costa Mesa, California, and NPI 1992054456, issued on Aug 30, 2012. Check the license (California PA64170, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992054456
Name
Deborah Du
Credential
RPA-C
Primary taxonomy
Psychiatric/Mental Health Clinical Nurse Specialist 364SP0808X
License numbers
PA64170 CA
64170 CA
Self-reported in NPPES; status is on the state search
Practice location
3151 Airway Ave Ste G1, Costa Mesa, CA 92626
Phone
(714) 545-5550
Enumerated
Aug 30, 2012
Record last updated
Aug 29, 2025
Medicare enrollment
Enrolled (PECOS I20241115003764); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 psychiatric/mental health clinical nurse specialist records → All 60 in California → Look up another NPI →

Also registered at 3151 Airway Ave Ste G1

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

  1. Shiva Ahmadi, FNPPsychiatric/Mental Health Nurse Practitioner1356873715
  2. Alejandro Alva, M.D.Psychiatry Physician1801816764
  3. Tyler Burns, PA-C, CAQ-PSYCHPhysician Assistant1609654755
  4. Borhan DarmalPsychiatry Physician1679065536
  5. Thomas Grayden, MDPsychiatry Physician1700942117
  6. Victoria Heglar, PA-CPhysician Assistant1407468515

Verify Deborah Du in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA64170    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 California license search

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97% fewer Medicare Part D claims than the average psychiatric/mental health clinical nurse specialist in 2024

30 Medicare Part D claims, against an average of 1,054 among the 390 providers of this specialty who prescribed in Part D.

  1. Deborah Du30
  2. Specialty average1,054

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: $24.51

1 payment: food and beverage; the largest payer was Lundbeck LLC. The 285 providers of this specialty with any payment received $924.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Deborah Du$24.51
  2. Specialty average$924.95

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

Bills Medicare through one group practice

  1. Pacific Neuropsychiatric Specialists IncMurrieta, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Deborah Du among 60 psychiatric/mental health clinical nurse specialist records in California

Deborah Du, RPA-C is one of 60 psychiatric/mental health clinical nurse specialist records with a practice address in California. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 40% of them.

  • NPI issued2012 · 40% of these records are older, 55% newer
  • In a Medicare fileYes · 47% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2024 · median 2021 among the 24 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 364SP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Clinical Nurse Specialist providers in California

There are 60 psychiatric/mental health clinical nurse specialist records in California.

All 60 in California → Every provider in Costa Mesa → Psychiatric/Mental Health Clinical Nurse Specialist nationwide →

The 8 psychiatric/mental health clinical nurse specialist records with the nearest ZIP codes

  1. Lauren JufiarCosta Mesa, CA 926261588461867
  2. Tiffany BrettHuntington Beach, CA 926471225890122
  3. Taniya Badwal, PA-CHuntington Beach, CA 926481720863319
  4. Mary Offenheiser, CNSSan Juan Capistrano, CA 926751053406025
  5. Shahrzad Arjomandi, PHYSICIAN ASSISTANTMission Viejo, CA 926911124746318
  6. Madeleine Fajilan, PA-CMission Viejo, CA 926911548810591
  7. Krista Fendrick, PA-CMission Viejo, CA 926911316297286
  8. Sarah Kantelis, PAMission Viejo, CA 926911881047892

Common questions

What is Deborah Du, RPA-C's NPI number?

Deborah Du, RPA-C's National Provider Identifier (NPI) is 1992054456, issued on Aug 30, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Deborah Du, RPA-C located?

The NPPES record lists a practice address at 3151 Airway Ave Ste G1, Costa Mesa, CA, 92626. Phone: (714) 545-5550. Providers update this record themselves, so call before visiting.

How can I verify Deborah Du, RPA-C's license?

NPPES lists California license number PA64170, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Deborah Du, RPA-C prescribe under Medicare Part D?

In 2024, Deborah Du, RPA-C had 30 Medicare Part D claims; the average among psychiatric/mental health clinical nurse specialist prescribers was 1,054. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.