Dr. Luis Martinez Jr., DO
- Medicare services, 2022
- 78
- Part D claims, 2024
- 899
- Industry payments
- $563
- Affiliated sites
- 2
- Medical groups
- 3
- Practice address
- 420 34th St, Bakersfield, CA 93301
- Practice phone
- Call (661) 327-4647
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bakersfield Memorial Hospital
Bakersfield, 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. Luis Martinez Jr. is an internist in Bakersfield, California
Dr. Martinez practices at Bakersfield Memorial Hospital in Bakersfield, California.
Dr. Martinez's NPI, 1194088583, was assigned on June 20, 2012. Dr. Martinez holds California license 20A15029.
- NPI
- 1194088583NPI Registry (opens in a new tab)
- NPI enumeration date
- June 20, 2012
- NPI status
- Active
- Practice phone
- (661) 327-4647
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Luis Martinez Jr. practices at Bakersfield Memorial Hospital in Bakersfield, California
Dr. Martinez's primary practice is Bakersfield Memorial Hospital, at 420 34th St, Bakersfield, CA 93301 in Kern County. The practice phone is (661) 327-4647.
- Bakersfield Memorial Hospital420 34th St, Bakersfield, CA 93301 · Kern CountyPhone(661) 327-4647
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Luis Martinez Jr. is affiliated with 3 sites of care and 3 medical groups
Dr. Martinez's primary practice is Bakersfield Memorial Hospital in Bakersfield, California. The medical group on file is 24 On Physicians Of California PC. Dmand AI also links Dr. Martinez to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Luis Martinez Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martinez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bakersfield Memorial Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Luis Martinez Jr. is one of 16,751 internists in California
Internal medicine is Dr. Martinez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Martinez is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Martinez
Counts of internists 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. Luis Martinez Jr. billed Medicare for 78 services in 2022
CMS data shows 78 Medicare services from Dr. Martinez across 3 procedure codes in 2022. Medicare paid $10,877 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Martinez's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1342022: 7842%
Dr. Martinez compared with the California median for internists, 2022
- Dr. Martinez
- California median
- Medicare services
- 78vs 36178% below
- Part D claims
- 625vs 42148% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Martinez's most billed Medicare procedure codes, 2022
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Martinez and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Luis Martinez Jr.'s patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Martinez's median patient age at 75, with 48% women.
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 75
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Luis Martinez Jr. wrote 899 Medicare Part D claims in 2024
In 2024, Dr. Martinez wrote 899 Medicare Part D claims for 321 patients. 90% of them were for generic drugs. CMS names the drug for 625 of them, across 24 drugs with 11 or more claims each, at $17,869 in total drug cost. In 2023, CMS named 473 claims across 20 drugs.
Dr. Martinez's Part D claims by kind of drug, 2024
- Generic805 claims90%
- Brand-name and other94 claims10%
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
- Opioids8%74 of 899 claims
- Antibiotics23%209 of 899 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: 4732024: 62532%
Drugs named by CMS: 24 in 2024, 20 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
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Dr. Luis Martinez Jr. received $563 in industry payments from 2017 to 2021
CMS Open Payments shows 6 general payments to Dr. Martinez from 3 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $326.
General payments to Dr. Martinez by program year, 2017 to 2021
Companies that paid Dr. Martinez the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Luis Martinez Jr.'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 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 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) |
| 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. Luis Martinez Jr.
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. Luis Martinez Jr.'s NPI number?
Dr. Luis Martinez Jr.'s NPI number is 1194088583. It was assigned on June 20, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Luis Martinez Jr.?
Dr. Luis Martinez Jr. is an internist in Bakersfield, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Luis Martinez Jr. practice?
Dr. Martinez practices at 420 34th St, Bakersfield, CA 93301. Dr. Martinez's primary practice is Bakersfield Memorial Hospital in Bakersfield, California. Dmand AI also links Dr. Martinez to 2 group practices and clinics and 2 medical groups.
What is Dr. Luis Martinez Jr.'s office phone number?
The practice phone on file for Dr. Martinez is (661) 327-4647.
What is Dr. Luis Martinez Jr.'s medical license number?
Dr. Martinez holds California license 20A15029.
What medical group is Dr. Luis Martinez Jr. part of?
Dr. Martinez is linked to 24 On Physicians Of California PC. Dmand AI links Dr. Martinez to 2 more medical groups.
Does Dr. Luis Martinez Jr. accept Medicare?
Yes. CMS data shows Dr. Martinez billed Medicare for 78 services in 2022.
What services does Dr. Luis Martinez Jr. bill to Medicare?
In 2022, Dr. Martinez's most billed Medicare services were hospital inpatient care (99223), medical service (99220) and hospital inpatient care (99222).
What drugs does Dr. Luis Martinez Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Martinez's most prescribed drugs by claims were Cefuroxime, Hydrocodone-Acetaminophen and Prednisone.
Has Dr. Luis Martinez Jr. received payments from drug or device companies?
CMS Open Payments shows $563 in general payments to Dr. Martinez from 3 companies from 2017 to 2021. The largest total came from Relypsa, Inc.
How long has Dr. Luis Martinez Jr. been practicing?
Dr. Martinez graduated from medical school in 2012, 14 years ago.
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