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Dr. Ralph C. Hernandez, MD
NPI1285782151PAC ID2466504402
- Medicare services, 2018
- 243
- Part D claims, 2024
- 7,314
- Publications
- 1
- Industry payments
- $2,058
- Affiliated sites
- 2
- Practice address
- 1666 Precision Park Ln, San Diego, CA 92173
- Practice phone
- Call (619) 662-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Precision Park Senior Health Center
FQHC - Main Site · San Diego, California
Find Dr. Hernandez's professional email, personal email and mobile number
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Dr. Ralph C. Hernandez is a family medicine physician in San Ysidro, California
Dr. Hernandez practices at Precision Park Senior Health Center in San Diego, California.
Dr. Hernandez's NPI, 1285782151, was assigned on January 8, 2007. Dr. Hernandez graduated from Spencer Fox Eccles School of Medicine in 1979. Dr. Hernandez holds California license C42207.
NPI and contact details
- NPI
- 1285782151NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466504402
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 662-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ralph C. Hernandez practices at Precision Park Senior Health Center in San Diego, California
Dr. Hernandez's primary practice is Precision Park Senior Health Center, at 1666 Precision Park Ln, San Diego, CA 92173. The practice phone is (619) 662-4100.
- Precision Park Senior Health Center1666 Precision Park Ln, San Diego, CA 92173Phone(619) 662-4100
Source: Dmand AI Affiliation Data
Dr. Ralph C. Hernandez is affiliated with 2 sites of care and 1 medical group
Dr. Hernandez's primary practice is Precision Park Senior Health Center in San Diego, California. The medical group on file is San Ysidro Health. Dmand AI also links Dr. Hernandez to 1 more physician office, named with a free account. Dr. Hernandez's employer is on file too: a community health center (fqhc).
Precision Park Senior Health CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ralph C. Hernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hernandez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Precision Park Senior Health Center | 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. Ralph C. 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. Dmand AI has Dr. Hernandez's licenses on file in 2 states: California and Utah.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Utah license
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. Ralph C. Hernandez billed Medicare for 243 services in 2018
CMS data shows 243 Medicare services from Dr. Hernandez across 5 procedure codes in 2018. Medicare paid $1,372 for them. Every service was in an office.
Medicare services, 2018243
Paid by Medicare$1,372
Procedure codes5
Dr. Hernandez's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Lab and pathology
- 2017: 2072018: 16122%
- Surgery
- 2017: 1402018: 8241%
- Imaging
- 2017: 262018: 0100%
- Tests and treatments
- 2017: 202018: 0100%
Dr. Hernandez compared with the California median for family medicine physicians, 2018
- Dr. Hernandez
- California median
- Medicare services
- 243vs 246Close to median
- Part D claims
- 6,682vs 8338.0 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Hernandez's most billed Medicare procedure codes, 2018
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. Hernandez?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hernandez and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ralph C. Hernandez's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Hernandez's median patient age at 72, with 52% 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 72
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Ralph C. Hernandez wrote 7,314 Medicare Part D claims in 2024
In 2024, Dr. Hernandez wrote 7,314 Medicare Part D claims for 392 patients. 84% of them were for generic drugs. CMS names the drug for 6,682 of them, across 110 drugs with 11 or more claims each, at $638,270 in total drug cost. In 2023, CMS named 6,182 claims across 122 drugs.
Part D claims, 20247,314
Drugs named by CMS110
Total drug cost$638,270
Part D patients392
Dr. Hernandez's Part D claims by kind of drug, 2024
- Generic6,158 claims84%
- Brand-name1,096 claims15%
- Other60 claims1%
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.
Drug classes CMS tracks in Dr. Hernandez's Part D claims, 2024
- Antibiotics1%69 of 7,314 claims
- Antipsychotics, patients 65 and over1%57 of 7,314 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: 6,1822024: 6,6828%
Drugs named by CMS: 110 in 2024, 122 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
How Dr. Ralph C. Hernandez takes part in Medicare
Dr. Hernandez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ralph C. Hernandez has 1 publication on record
Dmand AI links 1 paper to Dr. Hernandez in 2021. Dr. Hernandez's most frequent co-author is Lisa R. Hirschhorn, MD.
Papers1
Dr. Hernandez's most frequent co-authors
Recent publications by Dr. Hernandez
See who Dr. Hernandez researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hernandez works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ralph C. Hernandez received $2,058 in industry payments from 2017 to 2025
CMS Open Payments shows 72 general payments to Dr. Hernandez from 15 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $454.
General payments to Dr. Hernandez by program year, 2017 to 2025
General payments to Dr. Hernandez by kind, 2017 to 2025
$2.1Kin total
- Food and beverage$2,04199%
- Education$90%
- Travel and lodging$80%
Companies that paid Dr. Hernandez the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ralph C. Hernandez graduated from Spencer Fox Eccles School of Medicine
Dr. Hernandez graduated from Spencer Fox Eccles School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ralph C. Hernandez accepts plans from 7 insurance carriers
Dr. Hernandez is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Molina
- Regence Health Plans
Plan types Dr. Hernandez accepts, by number of carriers
- Medicare6
- PPO5
- HMO4
- POS3
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ralph C. 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 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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ralph C. 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. Ralph C. Hernandez's NPI number?
Dr. Ralph C. Hernandez's NPI number is 1285782151. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ralph C. Hernandez?
Dr. Ralph C. Hernandez is a family medicine physician in San Ysidro, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Ralph C. Hernandez practice?
Dr. Hernandez practices at 1666 Precision Park Ln, San Diego, CA 92173. Dr. Hernandez's primary practice is Precision Park Senior Health Center in San Diego, California. Dmand AI also links Dr. Hernandez to 1 physician office.
What is Dr. Ralph C. Hernandez's office phone number?
The practice phone on file for Dr. Hernandez is (619) 662-4100.
What is Dr. Ralph C. Hernandez's medical license number?
Dr. Hernandez holds California license C42207, one of the licenses on file in 2 states.
Which states has Dr. Ralph C. Hernandez been licensed in?
Dmand AI has state licenses on file for Dr. Hernandez in California (1986 to 2026) and Utah (1981 to 1992).
What medical group is Dr. Ralph C. Hernandez part of?
Dr. Hernandez is linked to San Ysidro Health.
Does Dr. Ralph C. Hernandez accept Medicare?
Yes. CMS data shows Dr. Hernandez billed Medicare for 243 services in 2018, and Dr. Hernandez accepts Medicare assignment.
What services does Dr. Ralph C. Hernandez bill to Medicare?
In 2018, Dr. Hernandez's most billed Medicare services were surgery: heart and blood vessels (36415), lab and pathology test (83036) and lab and pathology test (82962).
Where did Dr. Ralph C. Hernandez go to medical school?
Dr. Hernandez graduated from Spencer Fox Eccles School of Medicine in 1979.
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What drugs does Dr. Ralph C. Hernandez prescribe most?
In 2024 Medicare Part D data, Dr. Hernandez's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Amlodipine Besylate.
Has Dr. Ralph C. Hernandez received payments from drug or device companies?
CMS Open Payments shows $2,058 in general payments to Dr. Hernandez from 15 companies from 2017 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Ralph C. Hernandez been practicing?
Dr. Hernandez graduated from medical school in 1979, 47 years ago.
Does Dr. Ralph C. Hernandez do research?
Dmand AI links 1 publication to Dr. Hernandez.
Who does Dr. Ralph C. Hernandez publish with?
Dr. Hernandez's most frequent co-authors are Lisa R. Hirschhorn, MD (1 shared paper).
What insurance does Dr. Ralph C. Hernandez accept?
Dr. Hernandez is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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