Dr. Joy C. Martinez, MD
- Medicare services, 2023
- 12
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 3,773
- Hospital affiliations
- 1
- Industry payments
- $55
- Practice address
- 9455 Clairemont Mesa Blvd, San Diego, CA 92123
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente San Diego Medical Center
San Diego, California
Find Dr. Martinez'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. Joy C. Martinez is a family medicine physician in San Diego, California
Dr. Martinez practices at Kaiser Permanente San Diego Medical Center in San Diego, California.
Dr. Martinez's NPI, 1720291008, was assigned on May 7, 2007. Dr. Martinez holds Michigan license 4301084410.
- NPI
- 1720291008NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032298807
- NPI enumeration date
- May 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joy C. Martinez practices at Kaiser Permanente San Diego Medical Center in San Diego, California
Dr. Martinez's primary practice is Kaiser Permanente San Diego Medical Center, at 9455 Clairemont Mesa Blvd, San Diego, CA 92123 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente San Diego Medical Center9455 Clairemont Mesa Blvd, San Diego, CA 92123 · San Diego CountyPhone(619) 528-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joy C. Martinez is affiliated with 2 sites of care and 1 medical group
Dr. Martinez's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California. Dr. Martinez is also affiliated with Kaiser Permanente Zion Medical Center. The medical group on file is Southern California Permanente Medical Group.
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. Joy C. Martinez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martinez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente San Diego Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joy C. Martinez is one of 15,680 family medicine physicians in California
Family medicine is Dr. Martinez's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Martinez is licensed in Michigan.
Specialties and state licenses
- Family medicine, MichiganPrimary
Family medicine physicians near Dr. Martinez
Counts of family 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. Joy C. Martinez billed Medicare for 12 services in 2023
CMS data shows 12 Medicare services from Dr. Martinez across 1 procedure code in 2023, all of them office visits, for 14 Medicare patients. Medicare paid $589 for them. Every service was in an office.
Dr. Martinez's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 212023: 1243%
Dr. Martinez compared with the California median for family medicine physicians, 2023
- Dr. Martinez
- California median
- Medicare services
- 12vs 24695% below
- Medicare patients
- 14vs 11888% below
- Part D claims
- 3,360vs 8334.0 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Martinez's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Martinez?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Martinez and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joy C. Martinez treated 14 Medicare patients in 2024, average age 67
CMS counts 14 Medicare patients who saw Dr. Martinez in 2024. 75% of them have high blood pressure. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Martinez's median patient age at 44, with 74% women.
Chronic conditions among Dr. Martinez's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Martinez'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
- Women74%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joy C. Martinez wrote 3,773 Medicare Part D claims in 2024
In 2024, Dr. Martinez wrote 3,773 Medicare Part D claims for 402 patients. 92% of them were for generic drugs. CMS names the drug for 3,360 of them, across 71 drugs with 11 or more claims each, at $97,924 in total drug cost. In 2023, CMS named 3,191 claims across 66 drugs.
Dr. Martinez's Part D claims by kind of drug, 2024
- Generic3,481 claims92%
- Brand-name260 claims7%
- Other32 claims1%
Dr. Martinez'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. Martinez's Part D claims, 2024
- Opioids3%121 of 3,773 claims
- Antibiotics3%95 of 3,773 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,1912024: 3,3605%
Drugs named by CMS: 71 in 2024, 66 in 2023.
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
How Dr. Joy C. Martinez takes part in Medicare
Dr. Martinez 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Joy C. Martinez received $55 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Martinez from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $55.
Companies that paid Dr. Martinez the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Joy C. Martinez'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 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)Medicare Part D Prescribers - by Provider (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) |
| 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. Joy C. Martinez
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. Joy C. Martinez's NPI number?
Dr. Joy C. Martinez's NPI number is 1720291008. It was assigned on May 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Joy C. Martinez?
Dr. Joy C. Martinez is a family medicine physician in San Diego, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Joy C. Martinez practice?
Dr. Martinez practices at 9455 Clairemont Mesa Blvd, San Diego, CA 92123. Dr. Martinez's primary practice is Kaiser Permanente San Diego Medical Center in San Diego, California.
What is Dr. Joy C. Martinez's office phone number?
The practice phone on file for Dr. Martinez is (619) 528-5000.
What is Dr. Joy C. Martinez's medical license number?
Dr. Martinez holds Michigan license 4301084410.
Which hospitals is Dr. Joy C. Martinez affiliated with?
Dr. Martinez is affiliated with Kaiser Permanente Zion Medical Center.
What medical group is Dr. Joy C. Martinez part of?
Dr. Martinez is linked to Southern California Permanente Medical Group.
Does Dr. Joy C. Martinez accept Medicare?
Yes. CMS data shows Dr. Martinez billed Medicare for 12 services in 2023, and Dr. Martinez accepts Medicare assignment.
How many Medicare patients does Dr. Joy C. Martinez see?
CMS counts 14 Medicare patients who saw Dr. Martinez in 2024, with an average age of 67.
What services does Dr. Joy C. Martinez bill to Medicare?
In 2023, Dr. Martinez's most billed Medicare services were office visit, established patient (99214).
Show 3 more questionsShow fewer questions
What drugs does Dr. Joy C. Martinez prescribe most?
In 2024 Medicare Part D data, Dr. Martinez's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Joy C. Martinez received payments from drug or device companies?
CMS Open Payments shows $55 in general payments to Dr. Martinez from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Joy C. Martinez been practicing?
Dr. Martinez graduated from medical school in 2000, 26 years ago.
Selling to family medicine practices?
See family medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card