J Affect Disord
Administration, IntranasalAntidepressive AgentsBody Mass Index
Dr. Sina Nikayin, MD
NPI1740717560PAC ID0042611188
- Medicare services, 2024
- 248
- Medicare patients, 2024
- 45
- Publications
- 20
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 1 Hospital Plz, Stamford, CT 06902
- Practice phone
- Call (203) 276-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stamford Hospital
Stamford, Connecticut
Find Dr. Nikayin'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. Sina Nikayin is a psychiatrist in Stamford, Connecticut
Dr. Nikayin practices at Stamford Hospital in Stamford, Connecticut.
Dr. Nikayin's NPI, 1740717560, was assigned on May 11, 2017. Dr. Nikayin graduated from Tehran University of Medical Sciences School of Medicine in 2014. Dr. Nikayin holds Connecticut license 66272.
NPI and contact details
- NPI
- 1740717560NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042611188
- NPI enumeration date
- May 11, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 276-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sina Nikayin practices at Stamford Hospital in Stamford, Connecticut
Dr. Nikayin's primary practice is Stamford Hospital, at 1 Hospital Plz, Stamford, CT 06902 in Western Ct County. The practice phone is (203) 276-1000.
- Stamford Hospital1 Hospital Plz, Stamford, CT 06902 · Western Ct CountyPhone(203) 276-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sina Nikayin is affiliated with 4 sites of care and 2 medical groups
Dr. Nikayin's primary practice is Stamford Hospital in Stamford, Connecticut. Dr. Nikayin is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Nikayin to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Stamford HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sina Nikayin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nikayin practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stamford Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sina Nikayin is one of 828 psychiatrists in Connecticut
Psychiatry is Dr. Nikayin's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nikayin is licensed in Connecticut.
Specialties and state licenses
- Psychiatry, ConnecticutPrimary
Psychiatrists near Dr. Nikayin
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. Sina Nikayin billed Medicare for 248 services in 2024
CMS data shows 248 Medicare services from Dr. Nikayin across 2 procedure codes in 2024, for 45 Medicare patients. Medicare paid $16,086 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024248
Medicare patients45
Paid by Medicare$16,086
Procedure codes2
Dr. Nikayin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1412024: 16920%
- Other services
- 2023: 1432024: 7945%
Dr. Nikayin compared with the Connecticut median for psychiatrists, 2024
- Dr. Nikayin
- Connecticut median
- Medicare services
- 248vs 1112.2 times
- Medicare patients
- 45vs 4013% above
Medians across 886 psychiatrists in Connecticut with Dmand AI profiles that report each measure.
Dr. Nikayin'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. Nikayin and other psychiatrists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sina Nikayin treated 45 Medicare patients in 2024, average age 62
CMS counts 45 Medicare patients who saw Dr. Nikayin in 2024. The largest group is under 65, with 19 patients. 75% of them have anxiety, and 75% have depression. 47% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nikayin's median patient age at 58, with 54% women.
Medicare patients, 202445
Average age62
Average risk score1.39
Also on Medicaid47%
Dr. Nikayin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nikayin's Medicare patients by sex, 2024
- Women2658%
- Men1942%
Chronic conditions among Dr. Nikayin's Medicare patients, 2024
- Anxiety75%
- Depression75%
- Mood disorders75%
- High blood pressure67%
- High cholesterol56%
- Schizophrenia and other psychoses56%
- Bipolar disorder51%
- Arthritis40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nikayin'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
- Women54%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sina Nikayin scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Nikayin for performance year 2024, reported as part of a group. Dr. Nikayin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nikayin's MIPS scores, performance year 2024
- 93of 100Final score
- 98.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 44of 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. Sina Nikayin has 20 publications on record
Dmand AI links 20 papers to Dr. Nikayin, published from 2016 to 2025. 2024 was the busiest year, with 4. The most frequent topics are Antidepressive Agents, Ketamine and Depressive Disorder, Treatment-Resistant. Dr. Nikayin has published most often in Gen Hosp Psychiatry. Dr. Nikayin's most frequent co-authors are Gerard Sanacora, MD, PhD, Dale N. Needham, MD and Murat Ibrahim Altinay, MD.
Papers20
Years published2016 to 2025
Dr. Nikayin's papers by year, 2016 to 2025
Topics Dr. Nikayin writes about most
- Antidepressive Agents
- Ketamine
- Depressive Disorder, Treatment-Resistant
- Depression
- Depressive Disorder, Major
- Electroconvulsive Therapy
- Administration, Intranasal
- Critical Illness
Dr. Nikayin's most frequent co-authors
- Gerard Sanacora, MD, PhD8 shared papers
- Dale N. Needham, MD5 shared papers
- Murat Ibrahim Altinay, MD2 shared papers
Recent publications by Dr. Nikayin
Mol Psychiatry
Depressive Disorder, MajorGenetic Predisposition to DiseaseGenome-Wide Association Study
J Clin Psychiatry
Administration, IntranasalAntidepressive AgentsBipolar Disorder
Blood pressure changes during ketamine infusion for the treatment of depression (opens in a new tab)
Gen Hosp Psychiatry
Antidepressive AgentsBlood PressureHypertension
Depressive Disorder, Treatment-ResistantElectroconvulsive TherapyKetamine
See who Dr. Nikayin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nikayin 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. Sina Nikayin graduated from Tehran University of Medical Sciences School of Medicine
Dr. Nikayin graduated from Tehran University of Medical Sciences School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sina Nikayin'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Sina Nikayin
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. Sina Nikayin's NPI number?
Dr. Sina Nikayin's NPI number is 1740717560. It was assigned on May 11, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Sina Nikayin?
Dr. Sina Nikayin is a psychiatrist in Stamford, Connecticut. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Sina Nikayin practice?
Dr. Nikayin practices at 1 Hospital Plz, Stamford, CT 06902. Dr. Nikayin's primary practice is Stamford Hospital in Stamford, Connecticut. Dmand AI also links Dr. Nikayin to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Sina Nikayin's office phone number?
The practice phone on file for Dr. Nikayin is (203) 276-1000.
What is Dr. Sina Nikayin's medical license number?
Dr. Nikayin holds Connecticut license 66272.
Which hospitals is Dr. Sina Nikayin affiliated with?
Dr. Nikayin is affiliated with Yale New Haven Hospital.
What medical group is Dr. Sina Nikayin part of?
Dr. Nikayin is linked to Yale Health. Dmand AI links Dr. Nikayin to 1 more medical group.
Does Dr. Sina Nikayin accept Medicare?
Yes. CMS data shows Dr. Nikayin billed Medicare for 248 services in 2024, and Dr. Nikayin accepts Medicare assignment.
What is Dr. Sina Nikayin's MIPS score?
Dr. Nikayin's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Sina Nikayin see?
CMS counts 45 Medicare patients who saw Dr. Nikayin in 2024, with an average age of 62.
Show 5 more questionsShow fewer questions
What services does Dr. Sina Nikayin bill to Medicare?
In 2024, Dr. Nikayin's most billed Medicare services were psychiatric service (90870) and medicare service (G2083).
Where did Dr. Sina Nikayin go to medical school?
Dr. Nikayin graduated from Tehran University of Medical Sciences School of Medicine in 2014.
How long has Dr. Sina Nikayin been practicing?
Dr. Nikayin graduated from medical school in 2014, 12 years ago.
Does Dr. Sina Nikayin do research?
Dmand AI links 20 publications to Dr. Nikayin, published from 2016 to 2025.
Who does Dr. Sina Nikayin publish with?
Dr. Nikayin's most frequent co-authors are Gerard Sanacora, MD, PhD (8 shared papers), Dale N. Needham, MD (5 shared papers) and Murat Ibrahim Altinay, MD (2 shared papers).
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