Dr. Oscar J. Hernandez, MD
- Medicare services, 2024
- 381
- Medicare patients, 2024
- 132
- Part D claims, 2024
- 160
- Hospital affiliations
- 2
- Industry payments
- $188
- Practice address
- 117 East 19th Street, Roswell, NM 88201
- Practice phone
- Call (575) 625-3345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Oscar J. Hernandez is an internist in Roswell, New Mexico
Dr. Hernandez practices at Lovelace Regional Hospital in Roswell, New Mexico, part of Ardent Health.
Dr. Hernandez's NPI, 1699706952, was assigned on July 5, 2006. Dr. Hernandez graduated from University of Southern California Keck School of Medicine in 1997. Dr. Hernandez holds California license A72896.
- NPI
- 1699706952NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406743137
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (575) 625-3345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Oscar J. Hernandez practices at Lovelace Regional Hospital in Roswell, New Mexico
Dr. Hernandez's primary practice is Lovelace Regional Hospital, at 117 East 19th Street, Roswell, NM 88201 in Chaves County. The practice phone is (575) 625-3345.
- Lovelace Regional Hospital117 East 19th Street, Roswell, NM 88201 · Chaves CountyPhone(575) 625-3345
Source: Dmand AI Affiliation Data
Dr. Oscar J. Hernandez is affiliated with 4 sites of care and 2 medical groups
Dr. Hernandez's primary practice is Lovelace Regional Hospital in Roswell, New Mexico, part of Ardent Health. Dr. Hernandez is also affiliated with Lovelace Medical Center. The medical group on file is Netherlands Anesthesia. Dmand AI also links Dr. Hernandez to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Oscar J. Hernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hernandez practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lovelace Regional Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Oscar J. Hernandez is one of 734 internists in New Mexico
Internal medicine is Dr. Hernandez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hernandez is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Hernandez
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. Oscar J. Hernandez billed Medicare for 381 services in 2024
CMS data shows 381 Medicare services from Dr. Hernandez across 3 procedure codes in 2024, for 132 Medicare patients. Medicare paid $37,775 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3932024: 3813%
Dr. Hernandez compared with the New Mexico median for internists, 2024
- Dr. Hernandez
- New Mexico median
- Medicare services
- 381vs 28136% above
- Medicare patients
- 132vs 1448% below
- Part D claims
- 36vs 16278% below
Medians across 716 internists in New Mexico with Dmand AI profiles that report each measure.
Dr. Hernandez'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Oscar J. Hernandez treated 132 Medicare patients in 2024, average age 77
CMS counts 132 Medicare patients who saw Dr. Hernandez in 2024. The largest group is 75 to 84, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hernandez's median patient age at 75, with 50% women.
Dr. Hernandez's Medicare patients by age, 2024
Dr. Hernandez's Medicare patients by sex, 2024
- Women8867%
- Men4433%
Chronic conditions among Dr. Hernandez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease44%
- COPD43%
- Diabetes40%
- Heart failure39%
- Chronic kidney disease38%
Share of Medicare patients with each condition. A patient can have several.
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 75
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. Oscar J. Hernandez wrote 160 Medicare Part D claims in 2024
In 2024, Dr. Hernandez wrote 160 Medicare Part D claims for 82 patients. 84% of them were for generic drugs. CMS names the drug for 36 of them, across 1 drug with 11 or more claims each, at $617 in total drug cost. In 2023, CMS named 24 claims across 1 drug.
Dr. Hernandez's Part D claims by kind of drug, 2024
- Generic135 claims84%
- Brand-name25 claims16%
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
- Antibiotics39%62 of 160 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: 242024: 3650%
Drugs named by CMS: 1 in 2024, 1 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. Oscar J. 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. Oscar J. Hernandez received $188 in industry payments from 2016 to 2022
CMS Open Payments shows 9 general payments to Dr. Hernandez from 3 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $90.
General payments to Dr. Hernandez by program year, 2016 to 2022
Companies that paid Dr. Hernandez the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Oscar J. Hernandez graduated from University of Southern California Keck School of Medicine
Dr. Hernandez graduated from University of Southern California Keck School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Oscar J. 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 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) |
| 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. Oscar J. 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. Oscar J. Hernandez's NPI number?
Dr. Oscar J. Hernandez's NPI number is 1699706952. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Oscar J. Hernandez?
Dr. Oscar J. Hernandez is an internist in Roswell, New Mexico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Oscar J. Hernandez practice?
Dr. Hernandez practices at 117 East 19th Street, Roswell, NM 88201. Dr. Hernandez's primary practice is Lovelace Regional Hospital in Roswell, New Mexico, part of Ardent Health. Dmand AI also links Dr. Hernandez to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Oscar J. Hernandez's office phone number?
The practice phone on file for Dr. Hernandez is (575) 625-3345.
What is Dr. Oscar J. Hernandez's medical license number?
Dr. Hernandez holds California license A72896.
Which hospitals is Dr. Oscar J. Hernandez affiliated with?
Dr. Hernandez practices at Lovelace Regional Hospital in Roswell, New Mexico. Dr. Hernandez is also affiliated with Lovelace Medical Center.
What medical group is Dr. Oscar J. Hernandez part of?
Dr. Hernandez is linked to Netherlands Anesthesia. Dmand AI links Dr. Hernandez to 1 more medical group.
Does Dr. Oscar J. Hernandez accept Medicare?
Yes. CMS data shows Dr. Hernandez billed Medicare for 381 services in 2024, and Dr. Hernandez accepts Medicare assignment.
How many Medicare patients does Dr. Oscar J. Hernandez see?
CMS counts 132 Medicare patients who saw Dr. Hernandez in 2024, with an average age of 77.
What services does Dr. Oscar J. Hernandez bill to Medicare?
In 2024, Dr. Hernandez's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99239).
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Where did Dr. Oscar J. Hernandez go to medical school?
Dr. Hernandez graduated from University of Southern California Keck School of Medicine in 1997.
What drugs does Dr. Oscar J. Hernandez prescribe most?
In 2024 Medicare Part D data, Dr. Hernandez's most prescribed drugs by claims were Levofloxacin.
Has Dr. Oscar J. Hernandez received payments from drug or device companies?
CMS Open Payments shows $188 in general payments to Dr. Hernandez from 3 companies from 2016 to 2022. The largest total came from Medtronic, Inc.
How long has Dr. Oscar J. Hernandez been practicing?
Dr. Hernandez graduated from medical school in 1997, 29 years ago.
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