J Addict Med
DeliriumDexmedetomidineHypnotics and Sedatives
Dr. Ryan Michael Cassidy, MD, PhD
NPI1811517618PAC ID5496126237
- Part D claims, 2024
- 104
- Publications
- 49
- MIPS score, 2024
- 84
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 2800 South MacGregor Way, Houston, TX 77021
- Practice phone
- Call (713) 741-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UTHealth Houston Harris County Psychiatric Center
Psychiatric Inpatient Facility · Houston, Texas
Find Dr. Cassidy'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. Ryan Michael Cassidy is a psychiatrist in Houston, Texas
Dr. Cassidy practices at UTHealth Houston Harris County Psychiatric Center in Houston, Texas.
Dr. Cassidy's NPI, 1811517618, was assigned on April 21, 2020. Dr. Cassidy graduated from University of Texas Medical School at Houston in 2020. Dr. Cassidy holds Texas license U9488.
NPI and contact details
- NPI
- 1811517618NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496126237
- NPI enumeration date
- April 21, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 741-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Michael Cassidy practices at UTHealth Houston Harris County Psychiatric Center in Houston, Texas
Dr. Cassidy's primary practice is UTHealth Houston Harris County Psychiatric Center, at 2800 South MacGregor Way, Houston, TX 77021. The practice phone is (713) 741-5000.
- UTHealth Houston Harris County Psychiatric Center2800 South MacGregor Way, Houston, TX 77021Phone(713) 741-5000
Source: Dmand AI Affiliation Data
Dr. Ryan Michael Cassidy is affiliated with 2 sites of care and 1 medical group
Dr. Cassidy's primary practice is UTHealth Houston Harris County Psychiatric Center in Houston, Texas. The medical group on file is UT Physicians. Dmand AI also links Dr. Cassidy to 1 more group practice or clinic, named with a free account.
UTHealth Houston Harris County Psychiatric CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Michael Cassidy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cassidy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UTHealth Houston Harris County Psychiatric Center | 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. Ryan Michael Cassidy is one of 2,406 psychiatrists in Texas
Psychiatry is Dr. Cassidy's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Cassidy is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Cassidy's licenses on file in 2 states: Texas and Tennessee.
Specialties and state licenses
- Psychiatry, TexasPrimary
- Tennessee license
Psychiatrists near Dr. Cassidy
Counts of psychiatrists 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. Ryan Michael Cassidy's patients have a median age of 35
Across all payers, Dmand AI patient panel data puts Dr. Cassidy's median patient age at 35, with 22% women.
Dr. Cassidy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women22%
- Men78%
Source: Dmand AI Patient Panel Data
Dr. Ryan Michael Cassidy wrote 104 Medicare Part D claims in 2024
In 2024, Dr. Cassidy wrote 104 Medicare Part D claims for 22 patients. 100% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $1,907 in total drug cost. In 2023, CMS named 407 claims across 19 drugs.
Part D claims, 2024104
Drugs named by CMS2
Total drug cost$1,907
Part D patients22
Dr. Cassidy'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: 4072024: 2893%
Drugs named by CMS: 2 in 2024, 19 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. Ryan Michael Cassidy scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Cassidy for performance year 2024, reported as part of a group. Dr. Cassidy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Cassidy's MIPS scores, performance year 2024
- 84of 100Final score
- 69.1of 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. Ryan Michael Cassidy has 49 publications on record
Dmand AI links 49 papers to Dr. Cassidy, published from 2015 to 2024. 2018 was the busiest year, with 12. The most frequent topics are China, Ganglia, Spinal and Schizophrenia. Dr. Cassidy has published most often in Nat Commun. Dr. Cassidy's most frequent co-authors are Jair Soares, MD, Claudio Esteves Tatsui, MD and Laurence D. Rhines, MD.
Papers49
Years published2015 to 2024
Dr. Cassidy's papers by year, 2015 to 2024
Topics Dr. Cassidy writes about most
- China
- Ganglia, Spinal
- Schizophrenia
- Neurons
- Rats, Sprague-Dawley
- Action Potentials
- Antineoplastic Agents, Phytogenic
- Body Mass Index
Dr. Cassidy's most frequent co-authors
- Jair Soares, MD11 shared papers
- Claudio Esteves Tatsui, MD6 shared papers
- Laurence D. Rhines, MD5 shared papers
Recent publications by Dr. Cassidy
Neurogastroenterol Motil
AlgorithmsLarvaReserpine
Trends Psychiatry Psychother
BrainStress Disorders, Post-Traumatic
1-OctanolAction PotentialsBrain-Derived Neurotrophic Factor
See who Dr. Cassidy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cassidy works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryan Michael Cassidy has 1 award and honors on record
Dmand AI lists 1 award for Dr. Cassidy, most recently UTHealth Best Dissertation Award in 2021.
Awards and honors for Dr. Cassidy
- 2021
- UTHealth Best Dissertation Award
Source: Dmand AI Professional Profile Data
Dr. Ryan Michael Cassidy graduated from University of Texas Medical School at Houston
Dr. Cassidy graduated from University of Texas Medical School at Houston in 2020.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Ryan Michael Cassidy accepts plans from 14 insurance carriers
Dr. Cassidy is in network with 14 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Humana
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Molina
- +6 more carriersWith a free account
Plan types Dr. Cassidy accepts, by number of carriers
- PPO11
- Medicare9
- HMO8
- POS3
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ryan Michael Cassidy'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Ryan Michael Cassidy
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. Ryan Michael Cassidy's NPI number?
Dr. Ryan Michael Cassidy's NPI number is 1811517618. It was assigned on April 21, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Michael Cassidy?
Dr. Ryan Michael Cassidy is a psychiatrist in Houston, Texas. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Ryan Michael Cassidy practice?
Dr. Cassidy practices at 2800 South MacGregor Way, Houston, TX 77021. Dr. Cassidy's primary practice is UTHealth Houston Harris County Psychiatric Center in Houston, Texas. Dmand AI also links Dr. Cassidy to 1 group practice or clinic.
What is Dr. Ryan Michael Cassidy's office phone number?
The practice phone on file for Dr. Cassidy is (713) 741-5000.
What is Dr. Ryan Michael Cassidy's medical license number?
Dr. Cassidy holds Texas license U9488, one of the licenses on file in 2 states.
Which states has Dr. Ryan Michael Cassidy been licensed in?
Dmand AI has state licenses on file for Dr. Cassidy in Texas (2024 to 2026) and Tennessee (2022 to 2025).
What medical group is Dr. Ryan Michael Cassidy part of?
Dr. Cassidy is linked to UT Physicians.
Does Dr. Ryan Michael Cassidy accept Medicare?
Yes. CMS lists Dr. Cassidy as accepting Medicare assignment.
What is Dr. Ryan Michael Cassidy's MIPS score?
Dr. Cassidy's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
Is Dr. Ryan Michael Cassidy board certified?
Yes. Dr. Cassidy is board certified in psychiatry by the American Board of Psychiatry and Neurology.
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Where did Dr. Ryan Michael Cassidy go to medical school?
Dr. Cassidy graduated from University of Texas Medical School at Houston in 2020.
What drugs does Dr. Ryan Michael Cassidy prescribe most?
In 2024 Medicare Part D data, Dr. Cassidy's most prescribed drugs by claims were Buprenorphine-Naloxone and Fluoxetine HCl.
How long has Dr. Ryan Michael Cassidy been practicing?
Dr. Cassidy graduated from medical school in 2020, 6 years ago.
Does Dr. Ryan Michael Cassidy do research?
Dmand AI links 49 publications to Dr. Cassidy, published from 2015 to 2024.
Who does Dr. Ryan Michael Cassidy publish with?
Dr. Cassidy's most frequent co-authors are Jair Soares, MD (11 shared papers), Claudio Esteves Tatsui, MD (6 shared papers) and Laurence D. Rhines, MD (5 shared papers).
What insurance does Dr. Ryan Michael Cassidy accept?
Dr. Cassidy is in network with 14 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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