Dr. John A. Gansel, MD
- Part D claims, 2024
- 53
- Hospital affiliations
- 1
- Industry payments
- $15
- Medical group
- 1
- State license
- 1
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. Gansel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John A. Gansel is an orthopedic surgeon in Stockton, California
Dr. Gansel practices at Permanente Medical Group Inc in Stockton, California.
Dr. Gansel's NPI, 1992889976, was assigned on October 25, 2006. Dr. Gansel graduated from David Geffen School of Medicine at UCLA in 1986. Dr. Gansel holds California license G61907.
- NPI
- 1992889976NPI Registry (opens in a new tab)
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John A. Gansel practices at Permanente Medical Group Inc in Stockton, California
Dr. Gansel's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John A. Gansel is affiliated with 2 sites of care and 1 medical group
Dr. Gansel's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Gansel is also affiliated with Santa Rosa Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John A. Gansel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gansel practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John A. Gansel is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Gansel's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Gansel is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Gansel is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Orthopedic surgeons near Dr. Gansel
Counts of orthopedic surgeons 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 A. Gansel's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Gansel's median patient age at 70, with 49% women.
Dr. Gansel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. John A. Gansel wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Gansel wrote 53 Medicare Part D claims for 41 patients. 96% of them were for generic drugs. CMS names the drug for 40 of them, across 1 drug with 11 or more claims each, at $385 in total drug cost.
Dr. Gansel's Part D claims by kind of drug, 2024
- Generic51 claims96%
- Brand-name and other2 claims4%
Dr. Gansel's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Gansel's Part D claims, 2024
- Antibiotics81%43 of 53 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. John A. Gansel received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Gansel from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. ConvaTec Inc. paid the most, $15.
Companies that paid Dr. Gansel the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John A. Gansel has 1 award and honors on record
Dmand AI lists 1 award for Dr. Gansel, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Gansel
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. John A. Gansel graduated from David Geffen School of Medicine at UCLA
Dr. Gansel graduated from David Geffen School of Medicine at UCLA in 1986.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. John A. Gansel's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John A. Gansel
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 A. Gansel's NPI number?
Dr. John A. Gansel's NPI number is 1992889976. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John A. Gansel?
Dr. John A. Gansel is an orthopedic surgeon in Stockton, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John A. Gansel practice?
Dr. Gansel practices at 7373 West Ln, Stockton, CA 95210. Dr. Gansel's primary practice is Permanente Medical Group Inc in Stockton, California.
What is Dr. John A. Gansel's office phone number?
The practice phone on file for Dr. Gansel is (209) 476-2000.
What is Dr. John A. Gansel's medical license number?
Dr. Gansel holds California license G61907.
Which hospitals is Dr. John A. Gansel affiliated with?
Dr. Gansel is affiliated with Santa Rosa Medical Center.
What medical group is Dr. John A. Gansel part of?
Dr. Gansel is linked to The Permanente Medical Group, Inc.
Is Dr. John A. Gansel board certified?
Yes. Dr. Gansel is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Where did Dr. John A. Gansel go to medical school?
Dr. Gansel graduated from David Geffen School of Medicine at UCLA in 1986.
What drugs does Dr. John A. Gansel prescribe most?
In 2024 Medicare Part D data, Dr. Gansel's most prescribed drugs by claims were Amoxicillin.
Has Dr. John A. Gansel received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Gansel from 1 company from 2025 to 2025. The largest total came from ConvaTec Inc.
How long has Dr. John A. Gansel been practicing?
Dr. Gansel graduated from medical school in 1986, 40 years ago.
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