Michael John Joyce, DC

  • Gridley, CA
  • Chiropractor
NPI1194899690PAC ID9335547975
Industry payments
$14
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2006
Practice address
520 Kentucky St, Gridley, CA 95948
Practice phone
Call (916) 846-6231
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ampla Health Gridley Medical

FQHC - Main Site · Gridley, California

See all 2 affiliations

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Michael John Joyce is a chiropractor in Gridley, California

Michael Joyce practices at Ampla Health Gridley Medical in Gridley, California.

Michael Joyce's NPI, 1194899690, was assigned on November 17, 2006. Michael Joyce holds California license 21016.

NPI and contact details
Medicare PAC ID
9335547975
NPI enumeration date
November 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(916) 846-6231
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Michael John Joyce practices at Ampla Health Gridley Medical in Gridley, California

Michael Joyce's primary practice is Ampla Health Gridley Medical, at 520 Kentucky St, Gridley, CA 95948 in Butte County. The practice phone is (916) 846-6231.

  • Ampla Health Gridley Medical
    520 Kentucky St, Gridley, CA 95948 · Butte CountyPhone(916) 846-6231

Source: Dmand AI Affiliation Data

Michael John Joyce is affiliated with 1 site of care and 1 medical group

Michael Joyce's primary practice is Ampla Health Gridley Medical in Gridley, California. The medical group on file is Ampla Health Oroville Medical & Dental. Michael Joyce's employer is on file too: a community health center (fqhc).

See all 2 affiliations for Michael Joyce

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Michael John Joyce's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Joyce practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ampla Health Gridley MedicalAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael John Joyce is one of 4,365 chiropractors in California

Chiropractor is Michael Joyce's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Michael Joyce is licensed in California.

Specialties and state licenses

  • Chiropractor, CaliforniaPrimaryLicense 21016 · taxonomy 111N00000X

Chiropractors near Michael Joyce

Counts of chiropractors with a Dmand AI profile, by place and practice. Each opens the list.

4,365chiropractors in California
3chiropractors in Gridley

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Michael John Joyce's patients have a median age of 49

Across all payers, Dmand AI patient panel data puts Michael Joyce's median patient age at 49, with 64% women.

Michael Joyce's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women64%
  • Men36%

Source: Dmand AI Patient Panel Data

How Michael John Joyce takes part in Medicare

Michael Joyce accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Michael John Joyce received $14 in industry payments in 2025

CMS Open Payments shows 1 general payment to Michael Joyce from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Cranial Technologies, Inc paid the most, $14.

Companies that paid Michael Joyce the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Joyce

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Michael John Joyce's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Michael John Joyce

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Michael John Joyce's NPI number?

Michael John Joyce's NPI number is 1194899690. It was assigned on November 17, 2006, and it is active in the NPI Registry.

What does Michael John Joyce specialize in?

Michael John Joyce is a chiropractor in Gridley, California. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does Michael John Joyce practice?

Michael Joyce practices at 520 Kentucky St, Gridley, CA 95948. Michael Joyce's primary practice is Ampla Health Gridley Medical in Gridley, California.

What is Michael John Joyce's office phone number?

The practice phone on file for Michael Joyce is (916) 846-6231. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Michael John Joyce's email address?

Dmand AI checks professional and personal email addresses for Michael Joyce through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Michael John Joyce's medical license number?

Michael Joyce holds California license 21016.

What medical group is Michael John Joyce part of?

Michael Joyce is linked to Ampla Health Oroville Medical & Dental.

Who employs Michael John Joyce?

Dmand AI has Michael Joyce's employer on file: a community health center (fqhc). The organization's name is available with a free Dmand AI account.

Who does Michael John Joyce practice with?

Dmand AI links 159 HCPs to Michael Joyce's primary medical group, 9 of them chiropractors. A free account lists them, with verified contacts.

Does Michael John Joyce accept Medicare?

Yes. CMS lists Michael Joyce as accepting Medicare assignment.

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Has Michael John Joyce received payments from drug or device companies?

CMS Open Payments shows $14 in general payments to Michael Joyce from 1 company from 2025 to 2025. The largest total came from Cranial Technologies, Inc.

How long has Michael John Joyce been practicing?

Michael Joyce graduated from medical school in 1989, 37 years ago.

What EHR does Michael John Joyce's practice use?

Dmand AI tracks the EHR system at Ampla Health Gridley Medical. The vendor and product are available with a free Dmand AI account.

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