Am J Emerg Med
Clinical CompetenceEmergency Service, HospitalLength of Stay
Dr. Vivek Parwani, MD
NPI1124009790PAC ID0345213096
- Medicare services, 2024
- 133
- Medicare patients, 2024
- 122
- Part D claims, 2024
- 55
- Publications
- 40
- MIPS score, 2024
- 87
- 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. Parwani'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. Vivek Parwani is an emergency medicine physician in New Haven, Connecticut
Dr. Parwani practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Dr. Parwani's NPI, 1124009790, was assigned on November 9, 2005. Dr. Parwani graduated from Icahn School of Medicine at Mount Sinai in 2001. Dr. Parwani holds Connecticut license 042509.
NPI and contact details
- NPI
- 1124009790NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345213096
- NPI enumeration date
- November 9, 2005
- 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
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vivek Parwani practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Dr. Parwani'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. Vivek Parwani is affiliated with 3 sites of care and 1 medical group
Dr. Parwani's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dr. Parwani is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Parwani to 1 more group practice or clinic, named with a free account.
Yale New Haven Psychiatric Hospital (York St)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Vivek Parwani's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parwani practices, 3 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 |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Parwani practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Vivek Parwani is one of 683 emergency medicine physicians in Connecticut
Emergency medicine is Dr. Parwani's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Parwani is licensed in Connecticut.
Specialties and state licenses
- Emergency medicine, ConnecticutPrimary
Emergency medicine physicians near Dr. Parwani
Counts of emergency medicine physicians 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. Vivek Parwani billed Medicare for 133 services in 2024
CMS data shows 133 Medicare services from Dr. Parwani across 4 procedure codes in 2024, for 122 Medicare patients. Medicare paid $15,728 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024133
Medicare patients122
Paid by Medicare$15,728
Procedure codes4
Dr. Parwani's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2022024: 11742%
- Tests and treatments
- 2023: 172024: 166%
Dr. Parwani compared with the Connecticut median for emergency medicine physicians, 2024
- Dr. Parwani
- Connecticut median
- Medicare services
- 133vs 24345% below
- Medicare patients
- 122vs 25051% below
- Part D claims
- 13vs 4873% below
Medians across 695 emergency medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Parwani'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.
Need commercial claims for Dr. Parwani?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parwani and other emergency medicine physicians in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Vivek Parwani treated 122 Medicare patients in 2024, average age 72
CMS counts 122 Medicare patients who saw Dr. Parwani in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 1.95, 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. Parwani's median patient age at 67, with 57% women.
Medicare patients, 2024122
Average age72
Average risk score1.95
Also on Medicaid44%
Dr. Parwani's Medicare patients by age, 2024
Dr. Parwani's Medicare patients by sex, 2024
- Women6049%
- Men6251%
Chronic conditions among Dr. Parwani's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Mood disorders47%
- Anxiety46%
- Diabetes39%
- Depression37%
- Chronic kidney disease36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parwani's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women57%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Vivek Parwani wrote 55 Medicare Part D claims in 2024
In 2024, Dr. Parwani wrote 55 Medicare Part D claims for 40 patients. 95% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $110 in total drug cost.
Part D claims, 202455
Drugs named by CMS1
Total drug cost$110
Part D patients40
Dr. Parwani's Part D claims by kind of drug, 2024
- Generic52 claims95%
- Brand-name and other3 claims5%
Dr. Parwani's most prescribed drugs by claims, 2023
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. Parwani's Part D claims, 2024
- Antibiotics49%27 of 55 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
Dr. Vivek Parwani 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. Parwani for performance year 2024, reported as part of a group. Dr. Parwani accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Parwani'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
For MedTech and pharma teams
Find emergency medicine physicians like Dr. Parwani by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Vivek Parwani has 40 publications on record
Dmand AI links 40 papers to Dr. Parwani, published from 2016 to 2025. 2020 was the busiest year, with 11. The most frequent topics are Emergency Service, Hospital, Physicians and COVID-19. Dr. Parwani has published most often in Am J Emerg Med. Dr. Parwani's most frequent co-authors are Arjun Krishna Venkatesh, MD, Rohit Sangal and John Earl Sather, MD.
Papers40
Years published2016 to 2025
Dr. Parwani's papers by year, 2016 to 2025
Topics Dr. Parwani writes about most
- Emergency Service, Hospital
- Physicians
- COVID-19
- Length of Stay
- Patient Admission
- Patient Transfer
- Emergency Medical Services
- Medicare
Dr. Parwani's most frequent co-authors
- Arjun Krishna Venkatesh, MD33 shared papers
- Rohit Sangal9 shared papers
- John Earl Sather, MD8 shared papers
Recent publications by Dr. Parwani
Am J Emerg Med
Emergency Service, HospitalPatient AdmissionPatient Discharge
Infect Control Hosp Epidemiol
COVID-19HospitalsRespiratory Aerosols and Droplets
Emergency MedicineEmergency Service, HospitalPhysicians
See who Dr. Parwani researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Parwani works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Vivek Parwani received $166 in industry payments in 2024
CMS Open Payments shows 3 general payments to Dr. Parwani from 1 drug or device company in 2024. Food and beverage make up the largest share, 88% of the total. CSL Behring paid the most, $166.
General payments to Dr. Parwani by kind, 2024 to 2024
$166in total
- Food and beverage$14688%
- Education$2012%
Companies that paid Dr. Parwani the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Vivek Parwani graduated from Icahn School of Medicine at Mount Sinai
Dr. Parwani graduated from Icahn School of Medicine at Mount Sinai in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Vivek Parwani'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Vivek Parwani
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. Vivek Parwani's NPI number?
Dr. Vivek Parwani's NPI number is 1124009790. It was assigned on November 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Vivek Parwani?
Dr. Vivek Parwani is an emergency medicine physician in New Haven, Connecticut. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Vivek Parwani practice?
Dr. Parwani practices at 20 York Street, New Haven, CT 06510. Dr. Parwani's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dmand AI also links Dr. Parwani to 1 group practice or clinic.
What is Dr. Vivek Parwani's office phone number?
The practice phone on file for Dr. Parwani is (203) 688-5900.
What is Dr. Vivek Parwani's medical license number?
Dr. Parwani holds Connecticut license 042509.
Which hospitals is Dr. Vivek Parwani affiliated with?
Dr. Parwani is affiliated with Yale New Haven Hospital.
What medical group is Dr. Vivek Parwani part of?
Dr. Parwani is linked to Yale Health.
Does Dr. Vivek Parwani accept Medicare?
Yes. CMS data shows Dr. Parwani billed Medicare for 133 services in 2024, and Dr. Parwani accepts Medicare assignment.
What is Dr. Vivek Parwani's MIPS score?
Dr. Parwani'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. Vivek Parwani see?
CMS counts 122 Medicare patients who saw Dr. Parwani in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Vivek Parwani bill to Medicare?
In 2024, Dr. Parwani's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Vivek Parwani go to medical school?
Dr. Parwani graduated from Icahn School of Medicine at Mount Sinai in 2001.
What drugs does Dr. Vivek Parwani prescribe most?
In 2023 Medicare Part D data, Dr. Parwani's most prescribed drugs by claims were Cephalexin.
Has Dr. Vivek Parwani received payments from drug or device companies?
CMS Open Payments shows $166 in general payments to Dr. Parwani from 1 company from 2024 to 2024. The largest total came from CSL Behring.
How long has Dr. Vivek Parwani been practicing?
Dr. Parwani graduated from medical school in 2001, 25 years ago.
Does Dr. Vivek Parwani do research?
Dmand AI links 40 publications to Dr. Parwani, published from 2016 to 2025.
Who does Dr. Vivek Parwani publish with?
Dr. Parwani's most frequent co-authors are Arjun Krishna Venkatesh, MD (33 shared papers), Rohit Sangal (9 shared papers) and John Earl Sather, MD (8 shared papers).
Selling to emergency medicine practices?
See emergency medicine physicians in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card