NPPES file of Aug 9, 2026

Crystine L'Heraux, NP-C

Family Nurse Practitioner · Lafayette, CA

Crystine L'Heraux, NP-C is a family nurse practitioner with a practice address in Lafayette, California, and NPI 1255838603, issued on Apr 11, 2018. Check the license (California 95008699, 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
1255838603
Name
Crystine L'Heraux
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95008699 CA
Self-reported in NPPES; status is on the state search
Practice location
3249 Mt Diablo CT Ste 206, Lafayette, CA 94549
Phone
(925) 338-0448
Enumerated
Apr 11, 2018
Record last updated
Nov 6, 2024
Fax
(840) 400-1020
Medicare enrollment
Enrolled (PECOS I20190816003144); accepts Medicare assignment
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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Verify Crystine L'Heraux 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 95008699
    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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76% fewer Medicare Part D claims than the average family nurse practitioner in 2024

310 Medicare Part D claims for 52 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Crystine L'Heraux310
  2. Specialty average1,305

Most prescribed

  1. Progesterone66 claims
  2. Dotti23 claims
  3. Estradiol21 claims
  4. Estradiol (Twice Weekly)16 claims
  5. Levothyroxine Sodium16 claims
  6. Ozempic16 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: $29.69

1 payment: food and beverage; the largest payer was Lilly USA, LLC. 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. Crystine L'Heraux$29.69
  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.

Bills Medicare through one group practice

  1. Adventist Health Clearlake Hospital Inc.Clearlake, CA

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

Crystine L'Heraux among 16,966 family nurse practitioner records in California

Crystine L'Heraux, NP-C 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 2018, is newer than 45% of them.

  • NPI issued2018 · 45% of these records are older, 50% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2017 · median 2019 among the 6,793 with a school on file
  • Record last updated2024 · 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).

7 family nurse practitioner records list a practice address in Lafayette

They are 7 of the 736 NPPES records with a practice address in Lafayette, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Anne Michelle De Leon, NP-CLafayette, CA 945491952695694
  2. Scott Gwilliam, FNP-BCLafayette, CA 945491942892815
  3. Nicole Long, FNPLafayette, CA 945491174634950
  4. Bridget NelsonLafayette, CA 945491447692728
  5. Richard Stoykovich, FNPLafayette, CA 945491447623277
  6. Leah Yurek, MSN FNP-CLafayette, CA 945491649539701
  7. Lisa Banke, NPLivermore, CA 945501275048159
  8. Mikayla GrantLivermore, CA 945501437852985

Common questions

What is Crystine L'Heraux, NP-C's NPI number?

Crystine L'Heraux, NP-C's National Provider Identifier (NPI) is 1255838603, issued on Apr 11, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Crystine L'Heraux, NP-C located?

The NPPES record lists a practice address at 3249 Mt Diablo CT Ste 206, Lafayette, CA, 94549. Phone: (925) 338-0448. Providers update this record themselves, so call before visiting.

How can I verify Crystine L'Heraux, NP-C's license?

NPPES lists California license number 95008699, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Crystine L'Heraux, NP-C prescribe under Medicare Part D?

In 2024, Crystine L'Heraux, NP-C had 310 Medicare Part D claims for 52 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.