Cassidy Longo, PAS
- Medicare services, 2024
- 124
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 111
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- 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 Cassidy Longo'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.
Cassidy Longo is a physician assistant in New Haven, Connecticut
Cassidy Longo practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Cassidy Longo's NPI, 1386311264, was assigned on August 27, 2021.
- NPI
- 1386311264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092169169
- NPI enumeration date
- August 27, 2021
- 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
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Cassidy Longo practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Cassidy Longo'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
Cassidy Longo is affiliated with 4 sites of care and 1 medical group
Cassidy Longo's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Cassidy Longo is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Cassidy Longo to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Cassidy Longo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cassidy Longo practices, 4 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 |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Cassidy Longo is one of 1,682 physician assistants in Connecticut
Physician assistant is Cassidy Longo's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
- Student in an organized health care education/training program
Physician assistants near Cassidy Longo
Counts of physician assistants 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
Cassidy Longo billed Medicare for 124 services in 2024
CMS data shows 124 Medicare services from Cassidy Longo across 4 procedure codes in 2024, for 101 Medicare patients. Medicare paid $7,615 for them. Every service was in an office.
Cassidy Longo's Medicare services by type, 2024
- Office and hospital visits108
- Surgery16
Cassidy Longo compared with the Connecticut median for physician assistants, 2024
- Cassidy Longo
- Connecticut median
- Medicare services
- 124vs 28657% below
- Medicare patients
- 101vs 100Close to median
- Part D claims
- 69vs 29376% below
Medians across 1,046 physician assistants in Connecticut with Dmand AI profiles that report each measure.
Cassidy Longo'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
Cassidy Longo treated 101 Medicare patients in 2024, average age 72
CMS counts 101 Medicare patients who saw Cassidy Longo in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have arthritis, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Cassidy Longo's median patient age at 58, with 63% women.
Cassidy Longo's Medicare patients by age, 2024
Cassidy Longo's Medicare patients by sex, 2024
- Women6261%
- Men3939%
Chronic conditions among Cassidy Longo's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure73%
- Mood disorders41%
- Anxiety40%
- Depression36%
- Diabetes30%
- Ischemic heart disease22%
Share of Medicare patients with each condition. A patient can have several.
Cassidy Longo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Cassidy Longo wrote 111 Medicare Part D claims in 2024
In 2024, Cassidy Longo wrote 111 Medicare Part D claims for 72 patients. 99% of them were for generic drugs. CMS names the drug for 69 of them, across 2 drugs with 11 or more claims each, at $1,620 in total drug cost.
Cassidy Longo's Part D claims by kind of drug, 2024
- Generic110 claims99%
- Brand-name and other1 claims1%
Cassidy Longo'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 Cassidy Longo's Part D claims, 2024
- Opioids13%14 of 111 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Cassidy Longo 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 Cassidy Longo for performance year 2024, reported as part of a group. Cassidy Longo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cassidy Longo'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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Cassidy Longo received $381 in industry payments in 2025
CMS Open Payments shows 3 general payments to Cassidy Longo from 2 drug and device companies in 2025. Food and beverage make up the largest share, 64% of the total. Medical Device Business Services, Inc. paid the most, $253.
General payments to Cassidy Longo by kind, 2025 to 2025
- Food and beverage$24464%
- Education$13736%
Companies that paid Cassidy Longo the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Cassidy Longo'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) |
| 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 Cassidy Longo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cassidy Longo's NPI number?
Cassidy Longo's NPI number is 1386311264. It was assigned on August 27, 2021, and it is active in the NPI Registry.
What does Cassidy Longo specialize in?
Cassidy Longo is a physician assistant in New Haven, Connecticut. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Cassidy Longo practice?
Cassidy Longo practices at 20 York Street, New Haven, CT 06510. Cassidy Longo's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dmand AI also links Cassidy Longo to 1 hospital and 1 group practice or clinic.
What is Cassidy Longo's office phone number?
The practice phone on file for Cassidy Longo is (203) 688-5900.
Which hospitals is Cassidy Longo affiliated with?
Cassidy Longo is affiliated with Yale New Haven Hospital. Dmand AI links Cassidy Longo to 1 more hospital.
What medical group is Cassidy Longo part of?
Cassidy Longo is linked to Yale Health.
Does Cassidy Longo accept Medicare?
Yes. CMS data shows Cassidy Longo billed Medicare for 124 services in 2024, and Cassidy Longo accepts Medicare assignment.
What is Cassidy Longo's MIPS score?
Cassidy Longo's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Cassidy Longo see?
CMS counts 101 Medicare patients who saw Cassidy Longo in 2024, with an average age of 72.
What services does Cassidy Longo bill to Medicare?
In 2024, Cassidy Longo's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).
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What drugs does Cassidy Longo prescribe most?
In 2024 Medicare Part D data, Cassidy Longo's most prescribed drugs by claims were Diclofenac Sodium and Celecoxib.
Has Cassidy Longo received payments from drug or device companies?
CMS Open Payments shows $381 in general payments to Cassidy Longo from 2 companies from 2025 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Cassidy Longo been practicing?
Cassidy Longo graduated from medical school in 2022, 4 years ago.
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