Dr. John W. Gainor, MD
- Medicare services, 2024
- 2,124
- Medicare patients, 2024
- 316
- Part D claims, 2023
- 11
- Industry payments
- $701
- Affiliated sites
- 2
- Practice address
- 4151 Foothill Road, Santa Barbara, CA 93110
- Practice phone
- Call (805) 681-1760
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Foothill Surgery Center at Sansum Clinic
Surgery Center - Medicare-Certified · Santa Barbara, California
Find Dr. Gainor'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 W. Gainor is an orthopedic surgeon in Santa Barbara, California
Dr. Gainor practices at Foothill Surgery Center at Sansum Clinic in Santa Barbara, California.
Dr. Gainor's NPI, 1003828989, was assigned on August 12, 2006. Dr. Gainor graduated from Albany Medical College of Union University in 1963. Dr. Gainor holds California license G10093.
- NPI
- 1003828989NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214129931
- NPI enumeration date
- August 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 681-1760
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 89
- Medical school graduation
- 1963
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. Gainor practices at Foothill Surgery Center at Sansum Clinic in Santa Barbara, California
Dr. Gainor's primary practice is Foothill Surgery Center at Sansum Clinic, at 4151 Foothill Road, Santa Barbara, CA 93110. The practice phone is (805) 681-1760.
- Foothill Surgery Center at Sansum Clinic4151 Foothill Road, Santa Barbara, CA 93110Phone(805) 681-1760
Source: Dmand AI Affiliation Data
Dr. John W. Gainor is affiliated with 2 sites of care and 1 medical group
Dr. Gainor's primary practice is Foothill Surgery Center at Sansum Clinic in Santa Barbara, California. The medical group on file is Sansum Clinic. Dmand AI also links Dr. Gainor to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John W. Gainor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gainor practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Foothill Surgery Center at Sansum Clinic | 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 W. Gainor is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Gainor's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Gainor is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Orthopedic surgeons near Dr. Gainor
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 W. Gainor billed Medicare for 2,124 services in 2024
CMS data shows 2,124 Medicare services from Dr. Gainor across 7 procedure codes in 2024, for 316 Medicare patients. Medicare paid $63,834 for them. Every service was in an office.
Dr. Gainor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,1412024: 1,32116%
- Office and hospital visits
- 2023: 4292024: 48413%
- Surgery
- 2023: 2892024: 31910%
Dr. Gainor compared with the California median for orthopedic surgeons, 2024
- Dr. Gainor
- California median
- Medicare services
- 2,124vs 6833.1 times
- Medicare patients
- 316vs 21547% above
- Part D claims
- 11vs 7084% below
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Gainor's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. Gainor treated 316 Medicare patients in 2024, average age 77
CMS counts 316 Medicare patients who saw Dr. Gainor in 2024. The largest group is 75 to 84, with 122 patients. 75% of them have arthritis, and 74% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gainor's median patient age at 74, with 58% women.
Dr. Gainor's Medicare patients by age, 2024
Dr. Gainor's Medicare patients by sex, 2024
- Women18458%
- Men13242%
Chronic conditions among Dr. Gainor's Medicare patients, 2024
- Arthritis75%
- High cholesterol74%
- High blood pressure60%
- Mood disorders24%
- Chronic kidney disease22%
- Diabetes22%
- Depression20%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gainor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John W. Gainor wrote 11 Medicare Part D claims in 2023
In 2023, Dr. Gainor wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $750 in total drug cost. In 2020, CMS named 15 claims across 1 drug.
Dr. Gainor's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2023
- 2020
- 2023
- Claims for drugs CMS names
- 2020: 152023: 1127%
Drugs named by CMS: 1 in 2023, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. John W. Gainor takes part in Medicare
Dr. Gainor 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)
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Dr. John W. Gainor received $701 in industry payments from 2016 to 2024
CMS Open Payments shows 46 general payments to Dr. Gainor from 11 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $294.
General payments to Dr. Gainor by program year, 2016 to 2024
Companies that paid Dr. Gainor the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John W. Gainor graduated from Albany Medical College of Union University
Dr. Gainor graduated from Albany Medical College of Union University in 1963.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John W. Gainor'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 W. Gainor
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 W. Gainor's NPI number?
Dr. John W. Gainor's NPI number is 1003828989. It was assigned on August 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Gainor?
Dr. John W. Gainor is an orthopedic surgeon in Santa Barbara, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John W. Gainor practice?
Dr. Gainor practices at 4151 Foothill Road, Santa Barbara, CA 93110. Dr. Gainor's primary practice is Foothill Surgery Center at Sansum Clinic in Santa Barbara, California. Dmand AI also links Dr. Gainor to 1 group practice or clinic.
What is Dr. John W. Gainor's office phone number?
The practice phone on file for Dr. Gainor is (805) 681-1760.
What is Dr. John W. Gainor's medical license number?
Dr. Gainor holds California license G10093.
What medical group is Dr. John W. Gainor part of?
Dr. Gainor is linked to Sansum Clinic.
Does Dr. John W. Gainor accept Medicare?
Yes. CMS data shows Dr. Gainor billed Medicare for 2,124 services in 2024, and Dr. Gainor accepts Medicare assignment.
How many Medicare patients does Dr. John W. Gainor see?
CMS counts 316 Medicare patients who saw Dr. Gainor in 2024, with an average age of 77.
What services does Dr. John W. Gainor bill to Medicare?
In 2024, Dr. Gainor's most billed Medicare services were injected or infused drug (J3301), surgery: bones and joints (20610) and office visit, established patient (99213).
Where did Dr. John W. Gainor go to medical school?
Dr. Gainor graduated from Albany Medical College of Union University in 1963.
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What drugs does Dr. John W. Gainor prescribe most?
In 2023 Medicare Part D data, Dr. Gainor's most prescribed drugs by claims were Celecoxib.
Has Dr. John W. Gainor received payments from drug or device companies?
CMS Open Payments shows $701 in general payments to Dr. Gainor from 11 companies from 2016 to 2024. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. John W. Gainor been practicing?
Dr. Gainor graduated from medical school in 1963, 63 years ago.
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