NPPES file of Aug 9, 2026

Steven Lee Katz, D.C.

Orthopedic Chiropractor · Mill Valley, CA

Steven Lee Katz, D.C. is an orthopedic chiropractor with a practice address in Mill Valley, California, and NPI 1821167610, issued on Nov 7, 2006. Check the license (California 12725, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821167610
Name
Steven Lee Katz
Credential
D.C.
Primary taxonomy
Orthopedic Chiropractor 111NX0800X
License number
12725 CA
Self-reported in NPPES; status is on the state search
Practice location
655 Redwood Hwy Frontage RD, Mill Valley, CA 94941
Phone
(415) 381-3838
Enumerated
Nov 7, 2006
Record last updated
Jun 14, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(415) 381-9366
Medicare enrollment
Enrolled (PECOS I20190624002723); accepts Medicare assignment
Medical or professional school
Western States College Of Chiropractic, 1978
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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Also registered at 655 Redwood Hwy Frontage RD

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

  1. Lisa Brent, N.D.Naturopath1730374224
  2. Sareena Chopra, M.D.Pediatrics Physician1487670832
  3. Suzanne Christie, M.D.Pediatrics Physician1629002985
  4. Uta Kerl, M.D.Pediatrics Physician1558494328
  5. Sangitapriya Pedro, N.D.Naturopath1043653074
  6. Anika Sanda, M.D.Pediatrics Physician1457364234

Verify Steven Lee Katz 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 12725
    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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Bills Medicare through one group practice

  1. Slavin ChiropracticVineyard Haven, MA

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

Steven Lee Katz among 160 orthopedic chiropractor records in California

Steven Lee Katz, D.C. is one of 160 orthopedic chiropractor records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 42% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated1978 · median 1983 among the 28 with a school on file
  • Record last updated2019 · 83% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111NX0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopedic Chiropractor providers in California

There are 160 orthopedic chiropractor records in California.

The 8 orthopedic chiropractor records with the nearest ZIP codes

  1. Douglas Kyle, D.C.Corte Madera, CA 949251083605141
  2. Carol Koch, D.C.San Rafael, CA 949031699900381
  3. Keith Sanders, D.C.Cupertino, CA 950141659342996
  4. Loree Pinnavaia, D.C.Los Gatos, CA 950321699071563
  5. Catherine Sy, DCSanta Cruz, CA 950601295399244
  6. Edward Mendenhall, D.C.Santa Cruz, CA 950621447360904
  7. Greg McNabb, DCScotts Valley, CA 950661629130711
  8. Gail PennimanSoquel, CA 950731447786074

Common questions

What is Steven Lee Katz, D.C.'s NPI number?

Steven Lee Katz, D.C.'s National Provider Identifier (NPI) is 1821167610, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven Lee Katz, D.C. located?

The NPPES record lists a practice address at 655 Redwood Hwy Frontage RD, Mill Valley, CA, 94941. Phone: (415) 381-3838. Providers update this record themselves, so call before visiting.

How can I verify Steven Lee Katz, D.C.'s license?

NPPES lists California license number 12725, 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. 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.