Dr. John Pierce Gunderson, MD

  • Concord, CA
  • Occupational medicine physician
NPI1215074794
Part D claims, 2024
13
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2007
Practice address
2231 Galaxy Ct, Concord, CA 94520-4933
Practice phone
Call (925) 685-7744
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Muir Diablo Occupational Medicine Medical Group

Primary care practice · Concord, California

See all 2 affiliations

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Dr. John Pierce Gunderson is an occupational medicine physician in Concord, California

Dr. Gunderson practices at Muir Diablo Occupational Medicine Medical Group in Concord, California.

Dr. Gunderson's NPI, 1215074794, was assigned on January 31, 2007. Dr. Gunderson graduated from Carver College of Medicine in 1969. Dr. Gunderson's California license number on file is C032589.

NPI and contact details
NPI enumeration date
January 31, 2007
NPI status
Active
Practice phone
(925) 685-7744
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Medical school graduation
1969

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

Dr. John Pierce Gunderson practices at Muir Diablo Occupational Medicine Medical Group in Concord, California

Dr. Gunderson's primary practice is Muir Diablo Occupational Medicine Medical Group, at 2231 Galaxy Ct, Concord, CA 94520-4933. The practice phone is (925) 685-7744.

  • Muir Diablo Occupational Medicine Medical Group
    2231 Galaxy Ct, Concord, CA 94520-4933Phone(925) 685-7744

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Pierce Gunderson is affiliated with 1 site of care and 1 medical group

Dr. Gunderson's primary practice is Muir Diablo Occupational Medicine Medical Group in Concord, California. Dmand AI also links Dr. Gunderson to 1 medical group, named with a free account.

Muir Diablo Occupational Medicine Medical GroupPrimary care practice · Concord, CaliforniaPrimary
1 medical groupName with a free account
See all 2 affiliations for Dr. Gunderson

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. John Pierce Gunderson's practice

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

EHR by site
SiteEHR vendor and product
Muir Diablo Occupational Medicine Medical GroupAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Pierce Gunderson is one of 252 occupational medicine physicians in California

Occupational medicine is Dr. Gunderson's primary specialty in the NPI Registry, under taxonomy code 2083X0100X. Dr. Gunderson has a license on file in California.

Specialties and state licenses

  • Occupational medicine, CaliforniaPrimaryLicense C032589 · 1970 to 2025 · taxonomy 2083X0100X

Occupational medicine physicians near Dr. Gunderson

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

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

Dr. John Pierce Gunderson's patients have a median age of 44

Across all payers, Dmand AI patient panel data puts Dr. Gunderson's median patient age at 44, with 100% women.

Dr. Gunderson's patients across all payers

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

Patient panel by age, all payers

Median age 44

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. John Pierce Gunderson wrote 13 Medicare Part D claims in 2024

In 2024, Dr. Gunderson wrote 13 Medicare Part D claims. 100% of them were for generic drugs.

Part D claims, 202413

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. John Pierce Gunderson graduated from Carver College of Medicine

Dr. Gunderson graduated from Carver College of Medicine in 1969.

  1. Medical schoolCarver College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Pierce Gunderson'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. John Pierce Gunderson

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

What is Dr. John Pierce Gunderson's NPI number?

Dr. John Pierce Gunderson's NPI number is 1215074794. It was assigned on January 31, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. John Pierce Gunderson?

Dr. John Pierce Gunderson is an occupational medicine physician in Concord, California. The primary specialty in the NPI Registry is Occupational Medicine Physician (taxonomy code 2083X0100X).

Where does Dr. John Pierce Gunderson practice?

Dr. Gunderson practices at 2231 Galaxy Ct, Concord, CA 94520-4933. Dr. Gunderson's primary practice is Muir Diablo Occupational Medicine Medical Group in Concord, California. Dmand AI also links Dr. Gunderson to 1 medical group.

What is Dr. John Pierce Gunderson's office phone number?

The practice phone on file for Dr. Gunderson is (925) 685-7744.

What is Dr. John Pierce Gunderson's medical license number?

Dr. Gunderson's California license number on file is C032589.

Where did Dr. John Pierce Gunderson go to medical school?

Dr. Gunderson graduated from Carver College of Medicine in 1969.

How long has Dr. John Pierce Gunderson been practicing?

Dr. Gunderson graduated from medical school in 1969, 57 years ago.

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