Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark Duane Welch, DC

Individual provider Chiropractor · NPI 1942292818

Dr. Mark Duane Welch, DC is a Chiropractor in Modesto, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

1101 Standiford Ave Ste A6
Modesto, CA 95350-0982
Phone: (209) 522-0822
Fax: (209) 522-4563
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence DC22206 (CA)

Record details

NPI number1942292818
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedAugust 17, 2005
Last updated in NPPESFebruary 28, 2023
Certification dateFebruary 28, 2023
Mailing address1101 Standiford Ave, Ste A6, Modesto, CA 95350-0982

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