Dr. Juan Cesar Fernandez Castillo, MD
- Medicare services, 2024
- 236
- Medicare patients, 2024
- 65
- Part D claims, 2024
- 351
- MIPS score, 2024
- 88
- Hospital affiliations
- 3
- Practice address
- 1611 Nw 12th Ave, Miami, FL 33136
- Practice phone
- Call (305) 585-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fernandez Castillo'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 Cesar Fernandez Castillo is an internist in Miami, Florida
Dr. Fernandez Castillo practices at Jackson Memorial Hospital in Miami, Florida, part of Miami-Dade County.
Dr. Fernandez Castillo's NPI, 1285989848, was assigned on July 19, 2012. Dr. Fernandez Castillo graduated from University of San Martin de Porres Faculty of Medicine in 2009. Dr. Fernandez Castillo's Michigan license number on file is 5315056786.
- NPI
- 1285989848NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496987703
- NPI enumeration date
- July 19, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (305) 585-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Juan Cesar Fernandez Castillo practices at Jackson Memorial Hospital in Miami, Florida
Dr. Fernandez Castillo's primary practice is Jackson Memorial Hospital, at 1611 Nw 12th Ave, Miami, FL 33136 in Miami-Dade County. The practice phone is (305) 585-1111.
- Jackson Memorial Hospital1611 Nw 12th Ave, Miami, FL 33136 · Miami-Dade CountyPhone(305) 585-1111
Source: Dmand AI Affiliation Data
Dr. Juan Cesar Fernandez Castillo is affiliated with 3 sites of care and 1 medical group
Dr. Fernandez Castillo's primary practice is Jackson Memorial Hospital in Miami, Florida, part of Miami-Dade County. Dr. Fernandez Castillo is also affiliated with Sylvester Comprehensive Cancer Center. The medical group on file is University of Miami Health System. Dmand AI also links Dr. Fernandez Castillo to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Juan Cesar Fernandez Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fernandez Castillo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jackson Memorial Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Juan Cesar Fernandez Castillo is one of 9,009 internists in Florida
Internal medicine is Dr. Fernandez Castillo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fernandez Castillo is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Fernandez Castillo's licenses on file in 6 states: Michigan, Florida, Georgia, Alabama, Indiana and Illinois.
Specialties and state licenses
- Internal medicine, MichiganPrimary
- Florida license
- Georgia license
- Alabama license
- Indiana license
- Illinois license
Clinical focus
Dmand AI lists pulmonary fibrosis and pulmonary heart disease among the conditions Dr. Fernandez Castillo treats.
Internists near Dr. Fernandez Castillo
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. Juan Cesar Fernandez Castillo billed Medicare for 236 services in 2024
CMS data shows 236 Medicare services from Dr. Fernandez Castillo across 3 procedure codes in 2024, for 65 Medicare patients. Medicare paid $22,757 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Fernandez Castillo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3422024: 20739%
- Other services
- 2023: 02024: 29
- Tests and treatments
- 2023: 132024: 0100%
Dr. Fernandez Castillo compared with the Florida median for internists, 2024
- Dr. Fernandez Castillo
- Florida median
- Medicare services
- 236vs 55557% below
- Medicare patients
- 65vs 21570% below
- Part D claims
- 176vs 46662% below
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Fernandez Castillo'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. Juan Cesar Fernandez Castillo treated 65 Medicare patients in 2024, average age 67
CMS counts 65 Medicare patients who saw Dr. Fernandez Castillo in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have copd, and 75% have high blood pressure. 35% are also on Medicaid. Their average risk score is 3.90, 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. Fernandez Castillo's median patient age at 64, with 45% women.
Dr. Fernandez Castillo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fernandez Castillo's Medicare patients by sex, 2024
- Women3249%
- Men3351%
Chronic conditions among Dr. Fernandez Castillo's Medicare patients, 2024
- COPD75%
- High blood pressure75%
- High cholesterol74%
- Chronic kidney disease58%
- Diabetes49%
- Anxiety45%
- Ischemic heart disease45%
- Arthritis42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fernandez Castillo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Juan Cesar Fernandez Castillo wrote 351 Medicare Part D claims in 2024
In 2024, Dr. Fernandez Castillo wrote 351 Medicare Part D claims for 74 patients. 79% of them were for generic drugs. CMS names the drug for 176 of them, across 9 drugs with 11 or more claims each, at $138,224 in total drug cost. In 2023, CMS named 17 claims across 1 drug.
Dr. Fernandez Castillo's Part D claims by kind of drug, 2024
- Generic277 claims79%
- Brand-name and other74 claims21%
Dr. Fernandez Castillo'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. Fernandez Castillo's Part D claims, 2024
- Antibiotics15%54 of 351 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: 172024: 176935%
Drugs named by CMS: 9 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
Dr. Juan Cesar Fernandez Castillo scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Fernandez Castillo for performance year 2024, reported as part of a group. Dr. Fernandez Castillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fernandez Castillo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Fernandez Castillo's MIPS scores, performance year 2024
- 88of 100Final score
- 78.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Juan Cesar Fernandez Castillo received $370 in industry payments from 2024 to 2025
CMS Open Payments shows 5 general payments to Dr. Fernandez Castillo from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 53% of the total. Astellas Pharma US Inc paid the most, $206.
General payments to Dr. Fernandez Castillo by program year, 2024 to 2025
General payments to Dr. Fernandez Castillo by kind, 2024 to 2025
- Food and beverage$19553%
- Education$17547%
Companies that paid Dr. Fernandez Castillo the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Juan Cesar Fernandez Castillo graduated from University of San Martin de Porres Faculty of Medicine
Dr. Fernandez Castillo graduated from University of San Martin de Porres Faculty of Medicine in 2009.
- Medical school
- Board certified in critical care medicine
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. Juan Cesar Fernandez Castillo accepts plans from 10 insurance carriers
Dr. Fernandez Castillo is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Molina
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- HCSC
- +2 more carriersWith a free account
Plan types Dr. Fernandez Castillo accepts, by number of carriers
- HMO6
- Medicare5
- PPO5
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Juan Cesar Fernandez Castillo'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Juan Cesar Fernandez Castillo
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 Cesar Fernandez Castillo's NPI number?
Dr. Juan Cesar Fernandez Castillo's NPI number is 1285989848. It was assigned on July 19, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Juan Cesar Fernandez Castillo?
Dr. Juan Cesar Fernandez Castillo is an internist in Miami, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Juan Cesar Fernandez Castillo practice?
Dr. Fernandez Castillo practices at 1611 Nw 12th Ave, Miami, FL 33136. Dr. Fernandez Castillo's primary practice is Jackson Memorial Hospital in Miami, Florida, part of Miami-Dade County. Dmand AI also links Dr. Fernandez Castillo to 1 hospital.
What is Dr. Juan Cesar Fernandez Castillo's office phone number?
The practice phone on file for Dr. Fernandez Castillo is (305) 585-1111.
What is Dr. Juan Cesar Fernandez Castillo's medical license number?
Dr. Fernandez Castillo's Michigan license number on file is 5315056786, one of the licenses on file in 6 states.
Which states has Dr. Juan Cesar Fernandez Castillo been licensed in?
Dmand AI has state licenses on file for Dr. Fernandez Castillo in Michigan (2012 to 2015), Florida (2022 to 2027), Georgia (2025 to 2026), Alabama (2025), Indiana (2025) and Illinois (2015 to 2020).
Which hospitals is Dr. Juan Cesar Fernandez Castillo affiliated with?
Dr. Fernandez Castillo practices at Jackson Memorial Hospital in Miami, Florida. Dr. Fernandez Castillo is also affiliated with Sylvester Comprehensive Cancer Center. Dmand AI links Dr. Fernandez Castillo to 1 more hospital.
What medical group is Dr. Juan Cesar Fernandez Castillo part of?
Dr. Fernandez Castillo is linked to University of Miami Health System.
Does Dr. Juan Cesar Fernandez Castillo accept Medicare?
Yes. CMS data shows Dr. Fernandez Castillo billed Medicare for 236 services in 2024, and Dr. Fernandez Castillo accepts Medicare assignment.
Does Dr. Juan Cesar Fernandez Castillo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fernandez Castillo as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Juan Cesar Fernandez Castillo's MIPS score?
Dr. Fernandez Castillo's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Dr. Juan Cesar Fernandez Castillo see?
CMS counts 65 Medicare patients who saw Dr. Fernandez Castillo in 2024, with an average age of 67.
Is Dr. Juan Cesar Fernandez Castillo board certified?
Yes. Dr. Fernandez Castillo is board certified in critical care medicine by the American Board of Internal Medicine.
What services does Dr. Juan Cesar Fernandez Castillo bill to Medicare?
In 2024, Dr. Fernandez Castillo's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99215) and medicare service (G2211).
Where did Dr. Juan Cesar Fernandez Castillo go to medical school?
Dr. Fernandez Castillo graduated from University of San Martin de Porres Faculty of Medicine in 2009.
What drugs does Dr. Juan Cesar Fernandez Castillo prescribe most?
In 2024 Medicare Part D data, Dr. Fernandez Castillo's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim, Atovaquone and Prednisone.
Has Dr. Juan Cesar Fernandez Castillo received payments from drug or device companies?
CMS Open Payments shows $370 in general payments to Dr. Fernandez Castillo from 3 companies from 2024 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Juan Cesar Fernandez Castillo been practicing?
Dr. Fernandez Castillo graduated from medical school in 2009, 17 years ago.
What insurance does Dr. Juan Cesar Fernandez Castillo accept?
Dr. Fernandez Castillo is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.
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