NPPES file of Aug 9, 2026

Crystal Gayle Holbrook, N.P.

Family Nurse Practitioner · Placentia, CA

Crystal Gayle Holbrook, N.P. is a family nurse practitioner with a practice address in Placentia, California, and NPI 1235595729, issued on Jan 13, 2016. Check the license (California 730376, 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
1235595729
Name
Crystal Gayle Holbrook
Credential
N.P.
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
730376 CA
Self-reported in NPPES; status is on the state search
Practice location
151 N Kraemer Blvd, Placentia, CA 92870
Phone
(714) 577-2271
Enumerated
Jan 13, 2016
Record last updated
Jan 13, 2016 (not updated in 10 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 151 N Kraemer Blvd

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

  1. Sheryl Baumann, MSMarriage & Family Therapist1114118650
  2. Ingrid Budd, L.C.S.W.Clinical Social Worker1568631752
  3. Julie Dohrman, NPFamily Nurse Practitioner1568974855
  4. Christopher Mortensen, D.C.Chiropractor1518998897
  5. Rosalia Palomares, MS, LMFTMarriage & Family Therapist1346544046
  6. Richard Puls, LMFTMarriage & Family Therapist1790075455

Verify Crystal Gayle Holbrook 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 730376
    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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97% fewer Medicare Part D claims than the average family nurse practitioner in 2024

44 Medicare Part D claims for 28 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Crystal Holbrook44
  2. Specialty average1,305

Most prescribed

  1. Ondansetron Odt17 claims
  2. Naloxone Hcl12 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.

Industry payments in 2024: $92.83

1 payment: food and beverage; the largest payer was Eagle Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Crystal Holbrook$92.83
  2. Specialty average$650.95

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

Crystal Gayle Holbrook among 16,966 family nurse practitioner records in California

Crystal Gayle Holbrook, N.P. is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 35% of them.

  • NPI issued2016 · 35% of these records are older, 60% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2016 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 family nurse practitioner records list a practice address in Placentia

They are 15 of the 1,002 NPPES records with a practice address in Placentia, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Andrew Aguirre, FNP-CPlacentia, CA 928701215644232
  2. Frances Chi, FNP-CPlacentia, CA 928701982404273
  3. Julie Dohrman, NPPlacentia, CA 928701568974855
  4. Zohra Ebrahimi, NPPlacentia, CA 928701235972134
  5. Ann GibsonPlacentia, CA 928701194319236
  6. Yasmin Khalil, FNPPlacentia, CA 928701942187885
  7. Jenny Lu, N.P.Placentia, CA 928701417142183
  8. Donna McKenzie, NPPlacentia, CA 928701003906280

Common questions

What is Crystal Gayle Holbrook, N.P.'s NPI number?

Crystal Gayle Holbrook, N.P.'s National Provider Identifier (NPI) is 1235595729, issued on Jan 13, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Crystal Gayle Holbrook, N.P. located?

The NPPES record lists a practice address at 151 N Kraemer Blvd, Placentia, CA, 92870. Phone: (714) 577-2271. Providers update this record themselves, so call before visiting.

How can I verify Crystal Gayle Holbrook, N.P.'s license?

NPPES lists California license number 730376, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Crystal Gayle Holbrook, N.P. prescribe under Medicare Part D?

In 2024, Crystal Gayle Holbrook, N.P. had 44 Medicare Part D claims for 28 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

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.