Dr. John D Chapman , DC
Chiropractor β’ Riverside, CA
3511 W La Cadena Dr Unit 111
Riverside, CA 92501
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
3511 W La Cadena Dr Unit 111
Riverside, CA 92501
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)
Fewer than 11 payment records totaling $31.74 in 2023
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2023.
NPI first issued
2013
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 Riverside and California
79 active clinicians are listed under Chiropractor with a practice address in Riverside, CA (11,501 in California).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Riverside
0% of these 79 clinicians have the CMS telehealth indicator.
7.6% of these 79 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Industry payments (Open Payments)
Industry payments (Open Payments) went from $36.60 in 2022 to $31.74 in 2023.
- 2022: $36.60
- 2023: $31.74
Sources: CMS Open Payments (2023), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2023 (payments made January 1 β December 31, 2023): fewer than 11 records totaling $31.74.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| INTERNATIONAL REHABILITATIVE SCIENCES, INC |
Food and Beverage
Cash or cash equivalent
|
RS 4i Plus Sequential Stimulator | General | $31.74 |
Source: CMS Open Payments, program year 2023, released June 30, 2026.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-11-22NUCC 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.
NUCC 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.
NUCC 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.
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 3511 W LA CADENA DR UNIT 111, RIVERSIDE, CA 92501 (Tel: 9512662511)
Registered at PO BOX 53047, RIVERSIDE, CA 925174047 (Tel: 9512662511)
NPI status registered as active in NPPES database
Registered at 217 EL CAMINO REAL, TUSTIN, CA 927803603 (Tel: 9492367255)
Registered at 217 EL CAMINO REAL, TUSTIN, CA 927803603 (Tel: 9492367255)
Recorded as JOHN CHAPMAN, D.C.
Chiropractor (license number reported to NPPES: CA 32752)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Chiropractors in Riverside
- Dr. Mary Scecina, DC
- Dr. Ian Harris, DC
- Dr. Douglas Herbert, DC
- Dr. John Tanner, DC
- Dr. Michael Rodriguez, DC
- Dr. Gregory Conrad, DC
Mailing Address
Po Box 53047
Riverside, CA 925174047
Phone: 9512662511