Dr. Germariliz Diaz Martinez, MD
- Part D claims, 2024
- 7,252
- Industry payments
- $231
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- Rio La Plata Mall Ste A3 Suite A3, Toa Alta, PR 00953
- Practice phone
- Call (787) 870-2148
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MD Premier Health
Primary care practice · Toa Alta, Puerto Rico
Find Dr. Diaz 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. Germariliz Diaz Martinez is a general practice physician in San Juan, Puerto Rico
Dr. Diaz Martinez practices at MD Premier Health in Toa Alta, Puerto Rico.
Dr. Diaz Martinez's NPI, 1306251491, was assigned on June 26, 2014. Dr. Diaz Martinez holds Puerto Rico license 18794.
- NPI
- 1306251491NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901129147
- NPI enumeration date
- June 26, 2014
- NPI status
- Active
- Practice phone
- (787) 870-2148
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Germariliz Diaz Martinez practices in Toa Alta and San Juan
Dr. Diaz Martinez's primary practice is MD Premier Health, at Rio La Plata Mall Ste A3 Suite A3, Toa Alta, PR 00953. The practice phone is (787) 870-2148. The NPI Registry lists Dr. Diaz Martinez's practice address as 1485 Ave Ashford, San Juan, PR 00907.
- MD Premier HealthPrimaryRio La Plata Mall Ste A3 Suite A3, Toa Alta, PR 00953Phone(787) 870-2148
- NPI Registry address1485 Ave Ashford, San Juan, PR 00907 · San Juan CountyPhone(787) 266-3128
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Germariliz Diaz Martinez is affiliated with 1 site of care and 2 medical groups
Dr. Diaz Martinez's primary practice is MD Premier Health in Toa Alta, Puerto Rico. The medical group on file is Sistema de Salud Wilma N. Vázquez. Dmand AI also links Dr. Diaz Martinez to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Germariliz Diaz Martinez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz Martinez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MD Premier Health | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Germariliz Diaz Martinez is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Diaz Martinez's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Diaz Martinez is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Diaz Martinez
Counts of general practice 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. Germariliz Diaz Martinez's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Diaz Martinez's median patient age at 69, with 67% women.
Dr. Diaz 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 69
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Germariliz Diaz Martinez wrote 7,252 Medicare Part D claims in 2024
In 2024, Dr. Diaz Martinez wrote 7,252 Medicare Part D claims for 331 patients. 83% of them were for generic drugs. CMS names the drug for 6,627 of them, across 119 drugs with 11 or more claims each, at $361,888 in total drug cost. In 2023, CMS named 7,008 claims across 124 drugs.
Dr. Diaz Martinez's Part D claims by kind of drug, 2024
- Generic6,004 claims83%
- Brand-name1,137 claims16%
- Other111 claims2%
Dr. Diaz 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. Diaz Martinez's Part D claims, 2024
- Opioids0%32 of 7,252 claims
- Antibiotics2%148 of 7,252 claims
- Antipsychotics, patients 65 and over0%16 of 7,252 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: 7,0082024: 6,6275%
Drugs named by CMS: 119 in 2024, 124 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. Germariliz Diaz Martinez received $231 in industry payments from 2018 to 2019
CMS Open Payments shows 2 general payments to Dr. Diaz Martinez from 2 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $125.
General payments to Dr. Diaz Martinez by program year, 2018 to 2019
Companies that paid Dr. Diaz Martinez the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Germariliz Diaz 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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Germariliz Diaz 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. Germariliz Diaz Martinez's NPI number?
Dr. Germariliz Diaz Martinez's NPI number is 1306251491. It was assigned on June 26, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Germariliz Diaz Martinez?
Dr. Germariliz Diaz Martinez is a general practice physician in San Juan, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Germariliz Diaz Martinez practice?
Dr. Diaz Martinez practices at Rio La Plata Mall Ste A3 Suite A3, Toa Alta, PR 00953. Dr. Diaz Martinez also practices at 1485 Ave Ashford, San Juan, PR 00907. Dr. Diaz Martinez's primary practice is MD Premier Health in Toa Alta, Puerto Rico. Dmand AI also links Dr. Diaz Martinez to 1 medical group.
What is Dr. Germariliz Diaz Martinez's office phone number?
The practice phone on file for Dr. Diaz Martinez is (787) 870-2148.
What is Dr. Germariliz Diaz Martinez's medical license number?
Dr. Diaz Martinez holds Puerto Rico license 18794.
What medical group is Dr. Germariliz Diaz Martinez part of?
Dr. Diaz Martinez is linked to Sistema de Salud Wilma N. Vázquez. Dmand AI links Dr. Diaz Martinez to 1 more medical group.
What drugs does Dr. Germariliz Diaz Martinez prescribe most?
In 2024 Medicare Part D data, Dr. Diaz Martinez's most prescribed drugs by claims were Gabapentin, Synthroid and Atorvastatin Calcium.
Has Dr. Germariliz Diaz Martinez received payments from drug or device companies?
CMS Open Payments shows $231 in general payments to Dr. Diaz Martinez from 2 companies from 2018 to 2019. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Germariliz Diaz Martinez been practicing?
Dr. Diaz Martinez graduated from medical school in 2008, 18 years ago.
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