Dr. Giulio C. Rottaro Castejon, MD
- Medicare services, 2024
- 141
- Medicare patients, 2024
- 55
- Part D claims, 2024
- 51
- MIPS score, 2024
- 100
- Affiliated sites
- 1
- Practice address
- 20 York Street, New Haven, CT 06510
- Practice phone
- Call (203) 688-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale New Haven Psychiatric Hospital (York St)
Psychiatric Inpatient Facility · New Haven, Connecticut
Find Dr. Rottaro Castejon's professional email, personal email and mobile number
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Dr. Giulio C. Rottaro Castejon is a hospitalist in New Haven, Connecticut
Dr. Rottaro Castejon practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Dr. Rottaro Castejon's NPI, 1235659434, was assigned on June 20, 2017. Dr. Rottaro Castejon graduated from Yale University School of Medicine in 2017. Dr. Rottaro Castejon holds Connecticut license 67508.
- NPI
- 1235659434NPI Registry (opens in a new tab)
- NPI enumeration date
- June 20, 2017
- NPI status
- Active
- Practice phone
- (203) 688-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Giulio C. Rottaro Castejon practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Dr. Rottaro Castejon's primary practice is Yale New Haven Psychiatric Hospital (York St), at 20 York Street, New Haven, CT 06510. The practice phone is (203) 688-5900.
- Yale New Haven Psychiatric Hospital (York St)20 York Street, New Haven, CT 06510Phone(203) 688-5900
Source: Dmand AI Affiliation Data
Dr. Giulio C. Rottaro Castejon is affiliated with 1 site of care and 1 medical group
Dr. Rottaro Castejon's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. The medical group on file is Northeast Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Giulio C. Rottaro Castejon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rottaro Castejon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale New Haven Psychiatric Hospital (York St) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Giulio C. Rottaro Castejon is one of 358 hospitalists in Connecticut
Hospitalist is Dr. Rottaro Castejon's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Dr. Rottaro Castejon's licenses on file in 2 states: Connecticut and Massachusetts.
Specialties and state licenses
- Hospitalist, ConnecticutPrimary
- Pediatrics, Massachusetts
Hospitalists near Dr. Rottaro Castejon
Counts of hospitalists 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. Giulio C. Rottaro Castejon billed Medicare for 141 services in 2024
CMS data shows 141 Medicare services from Dr. Rottaro Castejon across 3 procedure codes in 2024, for 55 Medicare patients. Medicare paid $10,041 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rottaro Castejon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3252024: 14157%
Dr. Rottaro Castejon compared with the Connecticut median for hospitalists, 2024
- Dr. Rottaro Castejon
- Connecticut median
- Medicare services
- 141vs 26046% below
- Medicare patients
- 55vs 15364% below
- Part D claims
- 11vs 8086% below
Medians across 354 hospitalists in Connecticut with Dmand AI profiles that report each measure.
Dr. Rottaro Castejon'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. Giulio C. Rottaro Castejon treated 55 Medicare patients in 2024, average age 79
CMS counts 55 Medicare patients who saw Dr. Rottaro Castejon in 2024. The largest group is 75 to 84, with 28 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 3.45, 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. Rottaro Castejon's median patient age at 79, with 38% women.
Dr. Rottaro Castejon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rottaro Castejon's Medicare patients by sex, 2024
- Women2953%
- Men2647%
Chronic conditions among Dr. Rottaro Castejon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure64%
- Arthritis60%
- Ischemic heart disease56%
- Mood disorders53%
- Alzheimer's and dementia51%
- Diabetes49%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rottaro Castejon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women38%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Giulio C. Rottaro Castejon wrote 51 Medicare Part D claims in 2024
In 2024, Dr. Rottaro Castejon wrote 51 Medicare Part D claims for 16 patients. 84% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $645 in total drug cost. In 2019, CMS named 29 claims across 2 drugs.
Dr. Rottaro Castejon's Part D claims by kind of drug, 2024
- Generic43 claims84%
- Brand-name and other8 claims16%
Dr. Rottaro Castejon's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 292020: 1162%
Drugs named by CMS: 1 in 2020, 2 in 2019.
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. Giulio C. Rottaro Castejon scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Rottaro Castejon for performance year 2024, reported through an alternative payment model (APM).
Dr. Rottaro Castejon's MIPS scores, performance year 2024
- 100of 100Final score
- 86.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Giulio C. Rottaro Castejon graduated from Yale University School of Medicine
Dr. Rottaro Castejon graduated from Yale University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Giulio C. Rottaro Castejon'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 | Clinician Public Reporting: Overall MIPS Performance (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. Giulio C. Rottaro Castejon
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. Giulio C. Rottaro Castejon's NPI number?
Dr. Giulio C. Rottaro Castejon's NPI number is 1235659434. It was assigned on June 20, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Giulio C. Rottaro Castejon?
Dr. Giulio C. Rottaro Castejon is a hospitalist in New Haven, Connecticut. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Giulio C. Rottaro Castejon practice?
Dr. Rottaro Castejon practices at 20 York Street, New Haven, CT 06510. Dr. Rottaro Castejon's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
What is Dr. Giulio C. Rottaro Castejon's office phone number?
The practice phone on file for Dr. Rottaro Castejon is (203) 688-5900.
What is Dr. Giulio C. Rottaro Castejon's medical license number?
Dr. Rottaro Castejon holds Connecticut license 67508, one of the licenses on file in 2 states.
Which states has Dr. Giulio C. Rottaro Castejon been licensed in?
Dmand AI has state licenses on file for Dr. Rottaro Castejon in Connecticut and Massachusetts.
What medical group is Dr. Giulio C. Rottaro Castejon part of?
Dr. Rottaro Castejon is linked to Northeast Medical Group.
Does Dr. Giulio C. Rottaro Castejon accept Medicare?
Yes. CMS data shows Dr. Rottaro Castejon billed Medicare for 141 services in 2024.
What is Dr. Giulio C. Rottaro Castejon's MIPS score?
Dr. Rottaro Castejon's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Giulio C. Rottaro Castejon see?
CMS counts 55 Medicare patients who saw Dr. Rottaro Castejon in 2024, with an average age of 79.
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What services does Dr. Giulio C. Rottaro Castejon bill to Medicare?
In 2024, Dr. Rottaro Castejon's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Giulio C. Rottaro Castejon go to medical school?
Dr. Rottaro Castejon graduated from Yale University School of Medicine in 2017.
What drugs does Dr. Giulio C. Rottaro Castejon prescribe most?
In 2020 Medicare Part D data, Dr. Rottaro Castejon's most prescribed drugs by claims were Mirtazapine.
How long has Dr. Giulio C. Rottaro Castejon been practicing?
Dr. Rottaro Castejon graduated from medical school in 2017, 9 years ago.
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