Dr. Gerardo Daniel Hernandez, MD
- Part D claims, 2024
- 849
- Industry payments
- $194
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 8627 Atlantic Avenue, South Gate, CA 90280
- Practice phone
- Call (323) 326-1602
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
AltaMed Medical and Dental Group - South Gate
FQHC - Main Site · South Gate, California
Find Dr. Hernandez'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. Gerardo Daniel Hernandez is a family medicine physician in South Gate, California
Dr. Hernandez practices at AltaMed Medical and Dental Group - South Gate in South Gate, California.
Dr. Hernandez's NPI, 1417356916, was assigned on August 20, 2014. Dr. Hernandez holds California license A154073.
- NPI
- 1417356916NPI Registry (opens in a new tab)
- NPI enumeration date
- August 20, 2014
- NPI status
- Active
- Practice phone
- (323) 326-1602
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gerardo Daniel Hernandez practices at AltaMed Medical and Dental Group - South Gate in South Gate, California
Dr. Hernandez's primary practice is AltaMed Medical and Dental Group - South Gate, at 8627 Atlantic Avenue, South Gate, CA 90280 in Los Angeles County. The practice phone is (323) 326-1602.
- AltaMed Medical and Dental Group - South Gate8627 Atlantic Avenue, South Gate, CA 90280 · Los Angeles CountyPhone(323) 326-1602
Source: Dmand AI Affiliation Data
Dr. Gerardo Daniel Hernandez is affiliated with 1 site of care
Dr. Hernandez's primary practice is AltaMed Medical and Dental Group - South Gate in South Gate, California. Dr. Hernandez's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gerardo Daniel Hernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hernandez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AltaMed Medical and Dental Group - South Gate | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gerardo Daniel Hernandez is one of 15,680 family medicine physicians in California
Family medicine is Dr. Hernandez's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Hernandez is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Hernandez
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. Gerardo Daniel Hernandez's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Hernandez's median patient age at 59, with 49% women.
Dr. Hernandez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women49%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Gerardo Daniel Hernandez wrote 849 Medicare Part D claims in 2024
In 2024, Dr. Hernandez wrote 849 Medicare Part D claims for 109 patients. 81% of them were for generic drugs. CMS names the drug for 583 of them, across 18 drugs with 11 or more claims each, at $83,266 in total drug cost. In 2023, CMS named 583 claims across 19 drugs.
Dr. Hernandez's Part D claims by kind of drug, 2024
- Generic690 claims81%
- Brand-name140 claims16%
- Other19 claims2%
Dr. Hernandez'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5832024: 583No change
Drugs named by CMS: 18 in 2024, 19 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. Gerardo Daniel Hernandez received $194 in industry payments from 2018 to 2025
CMS Open Payments shows 10 general payments to Dr. Hernandez from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $67.
General payments to Dr. Hernandez by program year, 2018 to 2025
Companies that paid Dr. Hernandez the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gerardo Daniel Hernandez'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 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. Gerardo Daniel Hernandez
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. Gerardo Daniel Hernandez's NPI number?
Dr. Gerardo Daniel Hernandez's NPI number is 1417356916. It was assigned on August 20, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerardo Daniel Hernandez?
Dr. Gerardo Daniel Hernandez is a family medicine physician in South Gate, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gerardo Daniel Hernandez practice?
Dr. Hernandez practices at 8627 Atlantic Avenue, South Gate, CA 90280. Dr. Hernandez's primary practice is AltaMed Medical and Dental Group - South Gate in South Gate, California.
What is Dr. Gerardo Daniel Hernandez's office phone number?
The practice phone on file for Dr. Hernandez is (323) 326-1602.
What is Dr. Gerardo Daniel Hernandez's medical license number?
Dr. Hernandez holds California license A154073.
What drugs does Dr. Gerardo Daniel Hernandez prescribe most?
In 2024 Medicare Part D data, Dr. Hernandez's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Lisinopril.
Has Dr. Gerardo Daniel Hernandez received payments from drug or device companies?
CMS Open Payments shows $194 in general payments to Dr. Hernandez from 4 companies from 2018 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Gerardo Daniel Hernandez been practicing?
Dr. Hernandez's NPI was assigned in 2014.
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