Dr. Gregory Lew , DC
Chiropractor β’ Concord, CA
3118 Clayton Rd Ste 4
Concord, CA 945192733
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
3118 Clayton Rd Ste 4
Concord, CA 945192733
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Chiropractor: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2022
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Concord and California
37 active clinicians are listed under Chiropractor with a practice address in Concord, CA (11,501 in California).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Concord
0% of these 37 clinicians have the CMS telehealth indicator.
24.3% of these 37 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2026-01-27NUCC Taxonomy Code: 111N00000X
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
Additional State Medicaid & Healthcare Payer Identifiers
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 3118 CLAYTON RD STE 4, CONCORD, CA 945192733 (Tel: 4158233572)
Registered at 3118 CLAYTON RD STE 4, CONCORD, CA 945192733 (Tel: 4158233572)
NPI status registered as active in NPPES database
Registered at 2350 MONUMENT BLVD STE C, PLEASANT HILL, CA 945233954 (Tel: 9256768200)
Registered at 2350 MONUMENT BLVD STE C, PLEASANT HILL, CA 945233954 (Tel: 9256768200)
Recorded as GREGORY LEW, D.C.
Chiropractor (license number reported to NPPES: CA 34958)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Chiropractors in Concord
- Dr. Jonathan Adams, DC
- Dr. Eric Belusa, DC
- Dr. Phillip Runco, DC
- David Barton, D, C
- Dr. Troy Chamberlin, DC
- Dr. Christopher Pedretti, DC
Mailing Address
3118 Clayton Rd Ste 4
Concord, CA 945192733
Phone: 4158233572