Dr. Gabriel J. Martinez-Diaz, MD
- Medicare services, 2023
- 45
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 26
- Hospital affiliations
- 1
- Industry payments
- $88,731
- Practice address
- 1266 Highway 515 South, Jasper, GA 30143
- Practice phone
- Call (706) 692-2441
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Martinez-Diaz'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. Gabriel J. Martinez-Diaz is a dermatologist in Jasper, Georgia
Dr. Martinez-Diaz practices at Piedmont Mountainside Hospital in Jasper, Georgia, part of Piedmont Healthcare.
Dr. Martinez-Diaz's NPI, 1245556695, was assigned on April 9, 2010. Dr. Martinez-Diaz graduated from Stanford University School of Medicine in 2010. Dr. Martinez-Diaz holds Illinois license 036138747.
- NPI
- 1245556695NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789815952
- NPI enumeration date
- April 9, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (706) 692-2441
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gabriel J. Martinez-Diaz practices at Piedmont Mountainside Hospital in Jasper, Georgia
Dr. Martinez-Diaz's primary practice is Piedmont Mountainside Hospital, at 1266 Highway 515 South, Jasper, GA 30143 in Pickens County. The practice phone is (706) 692-2441.
- Piedmont Mountainside Hospital1266 Highway 515 South, Jasper, GA 30143 · Pickens CountyPhone(706) 692-2441
Source: Dmand AI Affiliation Data
Dr. Gabriel J. Martinez-Diaz is affiliated with 2 sites of care
Dr. Martinez-Diaz's primary practice is Piedmont Mountainside Hospital in Jasper, Georgia, part of Piedmont Healthcare. Dmand AI also links Dr. Martinez-Diaz to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gabriel J. Martinez-Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martinez-Diaz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Piedmont Mountainside Hospital | 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. Gabriel J. Martinez-Diaz is one of 317 dermatologists in Georgia
Dermatology is Dr. Martinez-Diaz's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Martinez-Diaz is licensed in Illinois.
Specialties and state licenses
- Dermatology, IllinoisPrimary
Dermatologists near Dr. Martinez-Diaz
Counts of dermatologists 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. Gabriel J. Martinez-Diaz billed Medicare for 45 services in 2023
CMS data shows 45 Medicare services from Dr. Martinez-Diaz across 2 procedure codes in 2023, all of them office visits, for 14 Medicare patients. Medicare paid $4,096 for them. Every service was in an office.
Dr. Martinez-Diaz's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 262023: 4573%
Dr. Martinez-Diaz compared with the Georgia median for dermatologists, 2023
- Dr. Martinez-Diaz
- Georgia median
- Medicare services
- 45vs 1,99298% below
- Medicare patients
- 14vs 49297% below
- Part D claims
- 19vs 49096% below
Medians across 310 dermatologists in Georgia with Dmand AI profiles that report each measure.
Dr. Martinez-Diaz'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gabriel J. Martinez-Diaz treated 14 Medicare patients in 2024, average age 68
CMS counts 14 Medicare patients who saw Dr. Martinez-Diaz in 2024. Their average risk score is 0.64, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Martinez-Diaz's median patient age at 38, with 45% women.
Dr. Martinez-Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women45%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gabriel J. Martinez-Diaz wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Martinez-Diaz wrote 26 Medicare Part D claims for 11 patients. 100% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $232 in total drug cost. In 2021, CMS named 19 claims across 1 drug.
Dr. Martinez-Diaz's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 192022: 19No change
Drugs named by CMS: 1 in 2022, 1 in 2021.
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. Gabriel J. Martinez-Diaz offers telehealth to Medicare patients
Dr. Martinez-Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Martinez-Diaz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gabriel J. Martinez-Diaz received $88,731 in industry payments from 2016 to 2025
CMS Open Payments shows 957 general payments to Dr. Martinez-Diaz from 38 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 30% of the total. Galderma Laboratories, L.P. paid the most, $40,175. It also lists 1 research payment totaling $350 in 2017.
General payments to Dr. Martinez-Diaz by program year, 2016 to 2025
General payments to Dr. Martinez-Diaz by kind, 2016 to 2025
- Honoraria$26,20030%
- Food and beverage$20,00923%
- Speaker and faculty fees$18,30021%
- Consulting fees$17,65020%
- Other$6,1997%
Companies that paid Dr. Martinez-Diaz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gabriel J. Martinez-Diaz graduated from Stanford University School of Medicine
Dr. Martinez-Diaz graduated from Stanford University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gabriel J. Martinez-Diaz'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)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)Doctors and Clinicians Utilization Data (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. Gabriel J. Martinez-Diaz
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. Gabriel J. Martinez-Diaz's NPI number?
Dr. Gabriel J. Martinez-Diaz's NPI number is 1245556695. It was assigned on April 9, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Gabriel J. Martinez-Diaz?
Dr. Gabriel J. Martinez-Diaz is a dermatologist in Jasper, Georgia. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Gabriel J. Martinez-Diaz practice?
Dr. Martinez-Diaz practices at 1266 Highway 515 South, Jasper, GA 30143. Dr. Martinez-Diaz's primary practice is Piedmont Mountainside Hospital in Jasper, Georgia, part of Piedmont Healthcare. Dmand AI also links Dr. Martinez-Diaz to 1 physician office.
What is Dr. Gabriel J. Martinez-Diaz's office phone number?
The practice phone on file for Dr. Martinez-Diaz is (706) 692-2441.
What is Dr. Gabriel J. Martinez-Diaz's medical license number?
Dr. Martinez-Diaz holds Illinois license 036138747.
Which hospitals is Dr. Gabriel J. Martinez-Diaz affiliated with?
Dr. Martinez-Diaz practices at Piedmont Mountainside Hospital in Jasper, Georgia.
Does Dr. Gabriel J. Martinez-Diaz accept Medicare?
Yes. CMS data shows Dr. Martinez-Diaz billed Medicare for 45 services in 2023, and Dr. Martinez-Diaz accepts Medicare assignment.
Does Dr. Gabriel J. Martinez-Diaz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Martinez-Diaz as offering telehealth services.
How many Medicare patients does Dr. Gabriel J. Martinez-Diaz see?
CMS counts 14 Medicare patients who saw Dr. Martinez-Diaz in 2024, with an average age of 68.
What services does Dr. Gabriel J. Martinez-Diaz bill to Medicare?
In 2023, Dr. Martinez-Diaz's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99204).
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Where did Dr. Gabriel J. Martinez-Diaz go to medical school?
Dr. Martinez-Diaz graduated from Stanford University School of Medicine in 2010.
What drugs does Dr. Gabriel J. Martinez-Diaz prescribe most?
In 2022 Medicare Part D data, Dr. Martinez-Diaz's most prescribed drugs by claims were Ketoconazole.
Has Dr. Gabriel J. Martinez-Diaz received payments from drug or device companies?
CMS Open Payments shows $88,731 in general payments to Dr. Martinez-Diaz from 38 companies from 2016 to 2025. The largest total came from Galderma Laboratories, L.P.
How long has Dr. Gabriel J. Martinez-Diaz been practicing?
Dr. Martinez-Diaz graduated from medical school in 2010, 16 years ago.
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