Dr. Juan O. Hernandez, MD
- Medicare services, 2024
- 2,458
- Medicare patients, 2024
- 1,485
- Part D claims, 2024
- 4,606
- Hospital affiliations
- 5
- Industry payments
- $8,698
- Practice address
- 1215 E Michigan Ave, Lansing, MI 48912
- Practice phone
- Call (517) 364-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UM Health-Sparrow Lansing Campus
Lansing, Michigan
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. Juan O. Hernandez is a cardiologist in Lansing, Michigan
Dr. Hernandez practices at UM Health-Sparrow Lansing Campus in Lansing, Michigan.
Dr. Hernandez's NPI, 1336147198, was assigned on July 14, 2005. Dr. Hernandez graduated from Ponce School of Medicine in 1984. Dr. Hernandez holds Michigan license 4301054500.
- NPI
- 1336147198NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779667043
- NPI enumeration date
- July 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (517) 364-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Juan O. Hernandez practices at UM Health-Sparrow Lansing Campus in Lansing, Michigan
Dr. Hernandez's primary practice is UM Health-Sparrow Lansing Campus, at 1215 E Michigan Ave, Lansing, MI 48912 in Ingham County. The practice phone is (517) 364-6000.
- UM Health-Sparrow Lansing Campus1215 E Michigan Ave, Lansing, MI 48912 · Ingham CountyPhone(517) 364-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Juan O. Hernandez is affiliated with 8 sites of care and 2 medical groups
Dr. Hernandez's primary practice is UM Health-Sparrow Lansing Campus in Lansing, Michigan. Dr. Hernandez is also affiliated with University of Michigan Health-Sparrow Lansing. The medical group on file is University of Michigan Health-Sparrow. Dmand AI also links Dr. Hernandez to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Juan O. Hernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hernandez practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UM Health-Sparrow Lansing Campus | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Juan O. Hernandez is one of 768 cardiologists in Michigan
Cardiovascular disease is Dr. Hernandez's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Hernandez is licensed in Michigan.
Specialties and state licenses
- Cardiovascular disease, MichiganPrimary
Cardiologists near Dr. Hernandez
Counts of cardiologists 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. Juan O. Hernandez billed Medicare for 2,458 services in 2024
CMS data shows 2,458 Medicare services from Dr. Hernandez across 13 procedure codes in 2024, for 1,485 Medicare patients. Medicare paid $72,689 for them.
Dr. Hernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,1242024: 1,59142%
- Office and hospital visits
- 2023: 7212024: 6539%
- Imaging
- 2023: 1132024: 21489%
Where Dr. Hernandez's Medicare services took place, 2024
- In an office99540%
- In a facility1,46360%
Dr. Hernandez compared with the Michigan median for cardiologists, 2024
- Dr. Hernandez
- Michigan median
- Medicare services
- 2,458vs 1,43571% above
- Medicare patients
- 1,485vs 6442.3 times
- Part D claims
- 4,394vs 1,5622.8 times
Medians across 749 cardiologists in Michigan 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hernandez and other cardiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Juan O. Hernandez treated 1,485 Medicare patients in 2024, average age 74
CMS counts 1,485 Medicare patients who saw Dr. Hernandez in 2024. The largest group is 65 to 74, with 561 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hernandez's median patient age at 73, with 48% women.
Dr. Hernandez's Medicare patients by age, 2024
Dr. Hernandez's Medicare patients by sex, 2024
- Women78653%
- Men69947%
Chronic conditions among Dr. Hernandez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease48%
- Atrial fibrillation43%
- Diabetes39%
- Heart failure34%
- Anxiety33%
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 73
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Juan O. Hernandez wrote 4,606 Medicare Part D claims in 2024
In 2024, Dr. Hernandez wrote 4,606 Medicare Part D claims for 742 patients. 73% of them were for generic drugs. CMS names the drug for 4,394 of them, across 50 drugs with 11 or more claims each, at $1,149,746 in total drug cost. In 2023, CMS named 4,706 claims across 53 drugs.
Dr. Hernandez's Part D claims by kind of drug, 2024
- Generic3,369 claims73%
- Brand-name1,237 claims27%
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: 4,7062024: 4,3947%
Drugs named by CMS: 50 in 2024, 53 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. Juan O. 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. Juan O. Hernandez received $8,698 in industry payments from 2016 to 2025
CMS Open Payments shows 470 general payments to Dr. Hernandez from 34 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Novartis Pharmaceuticals Corporation paid the most, $1,374.
General payments to Dr. Hernandez by program year, 2016 to 2025
General payments to Dr. Hernandez by kind, 2016 to 2025
- Food and beverage$7,64688%
- Education$6457%
- Travel and lodging$4085%
Companies that paid Dr. Hernandez 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. Juan O. Hernandez graduated from Ponce School of Medicine
Dr. Hernandez graduated from Ponce School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Juan O. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Juan O. 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. Juan O. Hernandez's NPI number?
Dr. Juan O. Hernandez's NPI number is 1336147198. It was assigned on July 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Juan O. Hernandez?
Dr. Juan O. Hernandez is a cardiologist in Lansing, Michigan. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Juan O. Hernandez practice?
Dr. Hernandez practices at 1215 E Michigan Ave, Lansing, MI 48912. Dr. Hernandez's primary practice is UM Health-Sparrow Lansing Campus in Lansing, Michigan. Dmand AI also links Dr. Hernandez to 4 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Juan O. Hernandez's office phone number?
The practice phone on file for Dr. Hernandez is (517) 364-6000.
What is Dr. Juan O. Hernandez's medical license number?
Dr. Hernandez holds Michigan license 4301054500.
Which hospitals is Dr. Juan O. Hernandez affiliated with?
Dr. Hernandez is affiliated with University of Michigan Health-Sparrow Lansing. Dmand AI links Dr. Hernandez to 4 more hospitals.
What medical group is Dr. Juan O. Hernandez part of?
Dr. Hernandez is linked to University of Michigan Health-Sparrow. Dmand AI links Dr. Hernandez to 1 more medical group.
Does Dr. Juan O. Hernandez accept Medicare?
Yes. CMS data shows Dr. Hernandez billed Medicare for 2,458 services in 2024, and Dr. Hernandez accepts Medicare assignment.
How many Medicare patients does Dr. Juan O. Hernandez see?
CMS counts 1,485 Medicare patients who saw Dr. Hernandez in 2024, with an average age of 74.
What services does Dr. Juan O. Hernandez bill to Medicare?
In 2024, Dr. Hernandez's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99213) and heart test or procedure (93306).
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Where did Dr. Juan O. Hernandez go to medical school?
Dr. Hernandez graduated from Ponce School of Medicine in 1984.
What drugs does Dr. Juan O. Hernandez prescribe most?
In 2024 Medicare Part D data, Dr. Hernandez's most prescribed drugs by claims were Eliquis, Atorvastatin Calcium and Metoprolol Succinate.
Has Dr. Juan O. Hernandez received payments from drug or device companies?
CMS Open Payments shows $8,698 in general payments to Dr. Hernandez from 34 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Juan O. Hernandez been practicing?
Dr. Hernandez graduated from medical school in 1984, 42 years ago.
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