Dr. Keith Anthony Hernandez, MD
- Medicare services, 2024
- 468
- Medicare patients, 2024
- 413
- MIPS score, 2024
- 87
- Affiliated sites
- 2
- Medical group
- 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. Hernandez's professional email, personal email and mobile number
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Dr. Keith Anthony Hernandez is an anesthesiologist in New Haven, Connecticut
Dr. Hernandez practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Dr. Hernandez's NPI, 1952506909, was assigned on June 19, 2007. Dr. Hernandez graduated from University of Arizona College of Medicine-Tucson in 2003. Dr. Hernandez holds Connecticut license 044871.
- NPI
- 1952506909NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517058050
- NPI enumeration date
- June 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 688-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Keith Anthony Hernandez practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Dr. Hernandez'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. Keith Anthony Hernandez is affiliated with 2 sites of care and 1 medical group
Dr. Hernandez's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. The medical group on file is Yale Health. Dmand AI also links Dr. Hernandez to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Keith Anthony 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 |
|---|---|
| Yale New Haven Psychiatric Hospital (York St) | 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. Keith Anthony Hernandez is one of 654 anesthesiologists in Connecticut
Anesthesiology is Dr. Hernandez's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Hernandez is licensed in Connecticut.
Specialties and state licenses
- Anesthesiology, ConnecticutPrimary
Anesthesiologists near Dr. Hernandez
Counts of anesthesiologists 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. Keith Anthony Hernandez billed Medicare for 468 services in 2024
CMS data shows 468 Medicare services from Dr. Hernandez across 6 procedure codes in 2024, for 413 Medicare patients. Medicare paid $28,549 for them.
Dr. Hernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 3942024: 46819%
Where Dr. Hernandez's Medicare services took place, 2024
- In an office44695%
- In a facility225%
Dr. Hernandez compared with the Connecticut median for anesthesiologists, 2024
- Dr. Hernandez
- Connecticut median
- Medicare services
- 468vs 895.3 times
- Medicare patients
- 413vs 1602.6 times
Medians across 636 anesthesiologists in Connecticut 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 anesthesiologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keith Anthony Hernandez treated 413 Medicare patients in 2024, average age 75
CMS counts 413 Medicare patients who saw Dr. Hernandez in 2024. The largest group is 75 to 84, with 181 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hernandez's median patient age at 70, with 58% women.
Dr. Hernandez's Medicare patients by age, 2024
Dr. Hernandez's Medicare patients by sex, 2024
- Women24259%
- Men17141%
Chronic conditions among Dr. Hernandez's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis51%
- Cancer26%
- Ischemic heart disease25%
- Anxiety23%
- Diabetes23%
- Mood disorders23%
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 70
Patient panel by sex, all payers
- Women58%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Keith Anthony Hernandez scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Hernandez for performance year 2024, reported as part of a group. Dr. Hernandez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hernandez's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 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. Keith Anthony Hernandez graduated from University of Arizona College of Medicine-Tucson
Dr. Hernandez graduated from University of Arizona College of Medicine-Tucson in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Keith Anthony 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) |
| 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) |
| 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. Keith Anthony Hernandez
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What is Dr. Keith Anthony Hernandez's NPI number?
Dr. Keith Anthony Hernandez's NPI number is 1952506909. It was assigned on June 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Keith Anthony Hernandez?
Dr. Keith Anthony Hernandez is an anesthesiologist in New Haven, Connecticut. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Keith Anthony Hernandez practice?
Dr. Hernandez practices at 20 York Street, New Haven, CT 06510. Dr. Hernandez's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dmand AI also links Dr. Hernandez to 1 group practice or clinic.
What is Dr. Keith Anthony Hernandez's office phone number?
The practice phone on file for Dr. Hernandez is (203) 688-5900.
What is Dr. Keith Anthony Hernandez's medical license number?
Dr. Hernandez holds Connecticut license 044871.
What medical group is Dr. Keith Anthony Hernandez part of?
Dr. Hernandez is linked to Yale Health.
Does Dr. Keith Anthony Hernandez accept Medicare?
Yes. CMS data shows Dr. Hernandez billed Medicare for 468 services in 2024, and Dr. Hernandez accepts Medicare assignment.
What is Dr. Keith Anthony Hernandez's MIPS score?
Dr. Hernandez's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Keith Anthony Hernandez see?
CMS counts 413 Medicare patients who saw Dr. Hernandez in 2024, with an average age of 75.
What services does Dr. Keith Anthony Hernandez bill to Medicare?
In 2024, Dr. Hernandez's most billed Medicare services were anesthesia (00142), anesthesia (00140) and anesthesia (01940).
Where did Dr. Keith Anthony Hernandez go to medical school?
Dr. Hernandez graduated from University of Arizona College of Medicine-Tucson in 2003.
How long has Dr. Keith Anthony Hernandez been practicing?
Dr. Hernandez graduated from medical school in 2003, 23 years ago.
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