NPPES file of Aug 9, 2026

Christopher A. Chigbolu, R.N

Psychiatric/Mental Health Registered Nurse · Granada Hills, CA

Christopher A. Chigbolu, R.N is a psychiatric/mental health registered nurse with a practice address in Granada Hills, California, and NPI 1841372463, issued on Oct 20, 2006. Check the license (California 625185, 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
1841372463
Name
Christopher A. Chigbolu
Credential
R.N
Primary taxonomy
Psychiatric/Mental Health Registered Nurse 163WP0808X
License number
625185 CA
Self-reported in NPPES; status is on the state search
Practice location
10605 Balboa Blvd Ste 100, Granada Hills, CA 91344
Phone
(818) 832-2410
Enumerated
Oct 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 10605 Balboa Blvd Ste 100

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

  1. Armenuhi ArabajyanCase Manager/Care Coordinator1205363652
  2. Luiza ArzumanianClinical Social Worker1336558485
  3. Brandy Bailey, MCW IIRehabilitation Practitioner1225100233
  4. Diana CanenguezClinical Social Worker1952843419
  5. Sonia Carrasco, MEDICAL CASE WORKERCommunity Health Worker1689833022
  6. Christine Chakarian, LCSWSocial Worker1427209139

Verify Christopher A. Chigbolu 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 625185    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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6.1 times the Medicare Part D claims of the average psychiatric/mental health registered nurse in 2024

5,414 Medicare Part D claims for 580 beneficiaries, against an average of 888 among the 242 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Christopher Chigbolu5,414
  2. Specialty average888

Most prescribed

  1. Alprazolam363 claims
  2. Mirtazapine363 claims
  3. Fluoxetine Hcl333 claims
  4. Quetiapine Fumarate293 claims
  5. Clonazepam267 claims
  6. Lorazepam260 claims

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.

13 psychiatric/mental health registered nurse records list a practice address in Granada Hills

They are 13 of the 671 NPPES records with a practice address in Granada Hills, and 2,568 psychiatric/mental health registered nurse records in California.

All 13 in Granada Hills → All 2,568 in California → Every provider in Granada Hills →

Other psychiatric/mental health registered nurse records in California

  1. Immaculata AbaekobeCulver City, CA1336871136
  2. Laura AbalozFresno, CA1699439265
  3. Annabelle AbayaCulver City, CA1972291904
  4. John AbayaLos Angeles, CA1093115792
  5. Cailin AbbottVentura, CA1205504032
  6. Colony Abbott, RNLos Angeles, CA1710153416
  7. Verneva AbbottEureka, CA1659823672
  8. Rey Abejar, R.N.Los Angeles, CA1194977819
  9. Wynn AbelardeValencia, CA1548071566
  10. Agnes AbongwaCulver City, CA1154837912

Common questions

What is Christopher A. Chigbolu, R.N's NPI number?

Christopher A. Chigbolu, R.N's National Provider Identifier (NPI) is 1841372463, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher A. Chigbolu, R.N located?

The NPPES record lists a practice address at 10605 Balboa Blvd Ste 100, Granada Hills, CA, 91344. Phone: (818) 832-2410. Providers update this record themselves, so call before visiting.

How can I verify Christopher A. Chigbolu, R.N's license?

NPPES lists California license number 625185, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Christopher A. Chigbolu, R.N prescribe under Medicare Part D?

In 2024, Christopher A. Chigbolu, R.N had 5,414 Medicare Part D claims for 580 beneficiaries; the average among psychiatric/mental health registered nurse prescribers was 888. 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.