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Dr. Francisco Jose Diaz-Lozada, MD
NPI1457448227PAC ID6608969845
- Medicare services, 2024
- 466
- Medicare patients, 2024
- 123
- Part D claims, 2024
- 2,024
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 10 Calle E Un, San Juan, PR 00915
- Practice phone
- Call (866) 793-4591
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
San Juan VAMC
San Juan, Puerto Rico
Find Dr. Diaz-Lozada'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. Francisco Jose Diaz-Lozada is an internist in San Juan, Puerto Rico
Dr. Diaz-Lozada practices at San Juan VAMC in San Juan, Puerto Rico.
Dr. Diaz-Lozada's NPI, 1457448227, was assigned on October 5, 2006. Dr. Diaz-Lozada holds Puerto Rico license 15430.
NPI and contact details
- NPI
- 1457448227NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608969845
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (866) 793-4591
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Francisco Jose Diaz-Lozada practices at San Juan VAMC in San Juan, Puerto Rico
Dr. Diaz-Lozada's primary practice is San Juan VAMC, at 10 Calle E Un, San Juan, PR 00915 in San Juan County. The practice phone is (866) 793-4591.
- San Juan VAMC10 Calle E Un, San Juan, PR 00915 · San Juan CountyPhone(866) 793-4591
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Francisco Jose Diaz-Lozada is affiliated with 3 sites of care and 1 medical group
Dr. Diaz-Lozada's primary practice is San Juan VAMC in San Juan, Puerto Rico. Dr. Diaz-Lozada is also affiliated with Hospital Auxilio Mutuo. The medical group on file is Centro de Balance y Vestibular. Dmand AI also links Dr. Diaz-Lozada to 1 more group practice or clinic, named with a free account.
San Juan VAMCPrimary
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. Francisco Jose Diaz-Lozada's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz-Lozada practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Juan VAMC | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Francisco Jose Diaz-Lozada is one of 805 internists in Puerto Rico
Internal medicine is Dr. Diaz-Lozada's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Diaz-Lozada is licensed in Puerto Rico.
Specialties and state licenses
- Internal medicine, Puerto RicoPrimary
Internists near Dr. Diaz-Lozada
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. Francisco Jose Diaz-Lozada billed Medicare for 466 services in 2024
CMS data shows 466 Medicare services from Dr. Diaz-Lozada across 3 procedure codes in 2024, for 123 Medicare patients. Medicare paid $28,775 for them.
Medicare services, 2024466
Medicare patients123
Paid by Medicare$28,775
Procedure codes3
Dr. Diaz-Lozada's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5442024: 46614%
Where Dr. Diaz-Lozada's Medicare services took place, 2024
- In an office43293%
- In a facility347%
Dr. Diaz-Lozada compared with the Puerto Rico median for internists, 2024
- Dr. Diaz-Lozada
- Puerto Rico median
- Medicare services
- 466vs 509.3 times
- Medicare patients
- 123vs 235.3 times
- Part D claims
- 1,430vs 2,72848% below
Medians across 820 internists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Diaz-Lozada'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.
Need commercial claims for Dr. Diaz-Lozada?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Diaz-Lozada and other internists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Francisco Jose Diaz-Lozada treated 123 Medicare patients in 2024, average age 77
CMS counts 123 Medicare patients who saw Dr. Diaz-Lozada in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Diaz-Lozada's median patient age at 79, with 50% women.
Medicare patients, 2024123
Average age77
Average risk score1.00
Dr. Diaz-Lozada's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Diaz-Lozada's Medicare patients by sex, 2024
- Women7964%
- Men4436%
Chronic conditions among Dr. Diaz-Lozada's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes54%
- Arthritis40%
- Osteoporosis27%
- Chronic kidney disease24%
- Anxiety21%
- Ischemic heart disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Diaz-Lozada's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Francisco Jose Diaz-Lozada wrote 2,024 Medicare Part D claims in 2024
In 2024, Dr. Diaz-Lozada wrote 2,024 Medicare Part D claims for 228 patients. 85% of them were for generic drugs. CMS names the drug for 1,430 of them, across 45 drugs with 11 or more claims each, at $103,654 in total drug cost. In 2023, CMS named 1,206 claims across 46 drugs.
Part D claims, 20242,024
Drugs named by CMS45
Total drug cost$103,654
Part D patients228
Dr. Diaz-Lozada's Part D claims by kind of drug, 2024
- Generic1,711 claims85%
- Brand-name and other313 claims15%
Dr. Diaz-Lozada'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. Diaz-Lozada's Part D claims, 2024
- Antibiotics2%43 of 2,024 claims
- Antipsychotics, patients 65 and over1%14 of 2,024 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: 1,2062024: 1,43019%
Drugs named by CMS: 45 in 2024, 46 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
Dr. Francisco Jose Diaz-Lozada offers telehealth to Medicare patients
Dr. Diaz-Lozada accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Diaz-Lozada as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Francisco Jose Diaz-Lozada has 1 publication on record
Dmand AI links 1 paper to Dr. Diaz-Lozada. Dr. Diaz-Lozada's most frequent co-author is Gladys Mayte Nogueiras, MD.
Papers1
Dr. Diaz-Lozada's most frequent co-authors
Recent publications by Dr. Diaz-Lozada
See who Dr. Diaz-Lozada researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Diaz-Lozada works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Francisco Jose Diaz-Lozada received $1,542 in industry payments from 2016 to 2025
CMS Open Payments shows 28 general payments to Dr. Diaz-Lozada from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $670.
General payments to Dr. Diaz-Lozada by program year, 2016 to 2025
Companies that paid Dr. Diaz-Lozada the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Francisco Jose Diaz-Lozada'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Francisco Jose Diaz-Lozada
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. Francisco Jose Diaz-Lozada's NPI number?
Dr. Francisco Jose Diaz-Lozada's NPI number is 1457448227. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Francisco Jose Diaz-Lozada?
Dr. Francisco Jose Diaz-Lozada is an internist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Francisco Jose Diaz-Lozada practice?
Dr. Diaz-Lozada practices at 10 Calle E Un, San Juan, PR 00915. Dr. Diaz-Lozada's primary practice is San Juan VAMC in San Juan, Puerto Rico. Dmand AI also links Dr. Diaz-Lozada to 1 group practice or clinic.
What is Dr. Francisco Jose Diaz-Lozada's office phone number?
The practice phone on file for Dr. Diaz-Lozada is (866) 793-4591.
What is Dr. Francisco Jose Diaz-Lozada's medical license number?
Dr. Diaz-Lozada holds Puerto Rico license 15430.
Which hospitals is Dr. Francisco Jose Diaz-Lozada affiliated with?
Dr. Diaz-Lozada is affiliated with Hospital Auxilio Mutuo.
What medical group is Dr. Francisco Jose Diaz-Lozada part of?
Dr. Diaz-Lozada is linked to Centro de Balance y Vestibular.
Does Dr. Francisco Jose Diaz-Lozada accept Medicare?
Yes. CMS data shows Dr. Diaz-Lozada billed Medicare for 466 services in 2024, and Dr. Diaz-Lozada accepts Medicare assignment.
Does Dr. Francisco Jose Diaz-Lozada offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Diaz-Lozada as offering telehealth services.
How many Medicare patients does Dr. Francisco Jose Diaz-Lozada see?
CMS counts 123 Medicare patients who saw Dr. Diaz-Lozada in 2024, with an average age of 77.
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What services does Dr. Francisco Jose Diaz-Lozada bill to Medicare?
In 2024, Dr. Diaz-Lozada's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99233) and office visit, new patient (99203).
What drugs does Dr. Francisco Jose Diaz-Lozada prescribe most?
In 2024 Medicare Part D data, Dr. Diaz-Lozada's most prescribed drugs by claims were Synthroid, Losartan Potassium and Atorvastatin Calcium.
Has Dr. Francisco Jose Diaz-Lozada received payments from drug or device companies?
CMS Open Payments shows $1,542 in general payments to Dr. Diaz-Lozada from 10 companies from 2016 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Francisco Jose Diaz-Lozada been practicing?
Dr. Diaz-Lozada graduated from medical school in 2003, 23 years ago.
Does Dr. Francisco Jose Diaz-Lozada do research?
Dmand AI links 1 publication to Dr. Diaz-Lozada.
Who does Dr. Francisco Jose Diaz-Lozada publish with?
Dr. Diaz-Lozada's most frequent co-authors are Gladys Mayte Nogueiras, MD (1 shared paper).
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