NPPES file of Aug 9, 2026

Christine Master, N.P.

Adult Health Nurse Practitioner · Orange, CA

Christine Master, N.P. is an adult health nurse practitioner with a practice address in Orange, California, and NPI 1144424904, issued on Jun 13, 2007. Check the license (California 8921, as entered in NPPES) with the California 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
1144424904
Name
Christine Master
Credential
N.P.
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
8921 CA
264187 CA
Self-reported in NPPES; status is on the state search
Practice location
230 S Main St Ste 100, Orange, CA 92868
Phone
(714) 541-9355
Enumerated
Jun 13, 2007
Record last updated
Jul 19, 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 230 S Main St Ste 100

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

  1. Delaney LeducRegistered Nurse1841013695
  2. Bhavana Pathak, M.D.Hematology & Oncology Physician1154610319
  3. Iryna Singh, FNPNurse Practitioner1831659408
  4. Shawndeep Tung, MDSurgery Physician1992077473

Verify Christine Master 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 8921
    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

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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Adult Health Nurse Practitioner providers in California

There are 1,405 adult health nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other adult health nurse practitioner records in California

  1. Joel Aandahl, NPVallejo, CA1891423653
  2. Corey Abbott, N.P.Claremont, CA1457766107
  3. Melanie Abbott, RNSan Diego, CA1124812730
  4. Michael Abney, FNPPleasanton, CA1336336833
  5. Ilona Abramova, NPWest Hills, CA1588066179
  6. Angela Acfalle, NP CNSLa Jolla, CA1013983857
  7. Mary Ackerman, NPRichmond, CA1154406155
  8. Marie Acorda Reece, NPLos Angeles, CA1528331485
  9. Judith Adams, C-ANPSanta Clarita, CA1831109297
  10. James AgatepSanta Ana, CA1578939153

Common questions

What is Christine Master, N.P.'s NPI number?

Christine Master, N.P.'s National Provider Identifier (NPI) is 1144424904, issued on Jun 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christine Master, N.P. located?

The NPPES record lists a practice address at 230 S Main St Ste 100, Orange, CA, 92868. Phone: (714) 541-9355. Providers update this record themselves, so call before visiting.

How can I verify Christine Master, N.P.'s license?

NPPES lists California license number 8921, as entered by the provider. Search the California 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.

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.