NPPES file of Aug 9, 2026

Lionel Herbert Clack

Registered Nurse · Covina, CA

Lionel Herbert Clack is a registered nurse with a practice address in Covina, California, and NPI 1366089377, issued on Dec 9, 2019. Check the license (California 724717, 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
1366089377
Name
Lionel Herbert Clack
Primary taxonomy
Registered Nurse 163W00000X
License number
724717 CA
Self-reported in NPPES; status is on the state search
Practice location
1161 E Covina Blvd, Covina, CA 91724
Phone
(626) 859-5275
Enumerated
Dec 9, 2019
Record last updated
Dec 9, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(626) 608-2645
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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8 nearest registered nurse records → All 13,506 in California → Look up another NPI →

Also registered at 1161 E Covina Blvd

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

  1. Roseline Afolayan, REGISTERED NURSEPsychiatric/Mental Health Registered Nurse1437708229
  2. Veronica Amaya, RNPsychiatric/Mental Health Registered Nurse1194451146
  3. Aldo Andrade Vargas, RNPsychiatric/Mental Health Registered Nurse1699544429
  4. Brian Bischoff, RNRegistered Nurse1356985451
  5. Adib Bitar, M.D.,Psychiatry Physician1922029024
  6. Tracy Bridges, RNPsychiatric/Mental Health Registered Nurse1689212839

Verify Lionel Herbert Clack 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 724717    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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Lionel Herbert Clack among 13,506 registered nurse records in California

Lionel Herbert Clack is one of 13,506 registered nurse records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 44% of them.

  • NPI issued2019 · 44% of these records are older, 52% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2019 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 registered nurse records list a practice address in Covina

They are 34 of the 3,736 NPPES records with a practice address in Covina, and 13,506 registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 13,506 in California → Every provider in Covina → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Brian Bischoff, RNCovina, CA 917241356985451
  2. Jennifer Buchanan, RNCovina, CA 917241710524186
  3. Judith Calma, RNCovina, CA 917241649860669
  4. Nicole Renee Escobar, DNPCovina, CA 917241063189223
  5. Leonardo Gonzalez, RN, BSNCovina, CA 917241740870740
  6. Suzanne Jones, RNCovina, CA 917241679112999
  7. Tyler Macias, RNCovina, CA 917241477290567
  8. Shannon Moody, RNCovina, CA 917241720774342

Common questions

What is Lionel Herbert Clack's NPI number?

Lionel Herbert Clack's National Provider Identifier (NPI) is 1366089377, issued on Dec 9, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Lionel Herbert Clack located?

The NPPES record lists a practice address at 1161 E Covina Blvd, Covina, CA, 91724. Phone: (626) 859-5275. Providers update this record themselves, so call before visiting.

How can I verify Lionel Herbert Clack's license?

NPPES lists California license number 724717, 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.

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.