NPPES file of Aug 9, 2026

Darwin Stanley Leek, D.C.

Chiropractor · Grass Valley, CA

Darwin Stanley Leek, D.C. is a chiropractor with a practice address in Grass Valley, California, and NPI 1568408110, issued on Jun 21, 2006. Check the license (California 15624DC, 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
1568408110
Name
Darwin Stanley Leek
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
License number
15624DC CA
Self-reported in NPPES; status is on the state search
Practice location
605 S Auburn St, Grass Valley, CA 95945
Phone
(530) 273-8082
Enumerated
Jun 21, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(530) 273-1057
Medicare enrollment
Enrolled (PECOS I20070406000378); may accept Medicare assignment
Medical or professional school
Palmer College Chiropractic - Davenport, 1982
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 Darwin Stanley Leek 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 15624DC
    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
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Darwin Stanley Leek among 11,498 chiropractor records in California

Darwin Stanley Leek, D.C. is one of 11,498 chiropractor records with a practice address in California. 7% 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 65% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated1982 · median 1999 among the 2,907 with a school on file
  • Record last updated2007 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 chiropractor records list a practice address in Grass Valley

They are 26 of the 1,540 NPPES records with a practice address in Grass Valley, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 chiropractor records with the nearest ZIP codes

  1. William Fernandez, D. C.Grass Valley, CA 959451093896672
  2. Pamela Hall, M.A., D.C.Grass Valley, CA 959451023186046
  3. Peter Harrington, D.C.Grass Valley, CA 959451750384442
  4. Kebby Margaretich, D.C.Grass Valley, CA 959451407949118
  5. John Mayfield, DOCTOR OF CHIROPRACTGrass Valley, CA 959451255366381
  6. John Mitchell, DCGrass Valley, CA 959451043371560
  7. Robert Morgan, DCGrass Valley, CA 959451033120829
  8. Wayne Palmer, D.C.Grass Valley, CA 959451457434995

Common questions

What is Darwin Stanley Leek, D.C.'s NPI number?

Darwin Stanley Leek, D.C.'s National Provider Identifier (NPI) is 1568408110, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Darwin Stanley Leek, D.C. located?

The NPPES record lists a practice address at 605 S Auburn St, Grass Valley, CA, 95945. Phone: (530) 273-8082. Providers update this record themselves, so call before visiting.

How can I verify Darwin Stanley Leek, D.C.'s license?

NPPES lists California license number 15624DC, 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.