Karthik S. Sivashanker
- Part D claims, 2024
- 155
- Hospital affiliations
- 1
- Industry payments
- $20
- Medical groups
- 6
- State license
- 1
- Practice address
- 85 Patton Road, Devens, MA 01434
- Practice phone
- Call (978) 615-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Karthik Sivashanker'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.
Karthik S. Sivashanker is a psychiatrist in Devens, Massachusetts
Karthik Sivashanker practices at TaraVista Behavioral Health Center in Devens, Massachusetts, part of TaraVista HealthPartners.
Karthik Sivashanker's NPI, 1912140054, was assigned on April 17, 2009. Karthik Sivashanker holds New York license 261540.
- NPI
- 1912140054NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547496507
- NPI enumeration date
- April 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 615-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Karthik S. Sivashanker practices at TaraVista Behavioral Health Center in Devens, Massachusetts
Karthik Sivashanker's primary practice is TaraVista Behavioral Health Center, at 85 Patton Road, Devens, MA 01434 in Worcester County. The practice phone is (978) 615-5200.
- TaraVista Behavioral Health Center85 Patton Road, Devens, MA 01434 · Worcester CountyPhone(978) 615-5200
Source: Dmand AI Affiliation Data
Karthik S. Sivashanker is affiliated with 2 sites of care and 6 medical groups
Karthik Sivashanker's primary practice is TaraVista Behavioral Health Center in Devens, Massachusetts, part of TaraVista HealthPartners. The medical group on file is TaraVista Behavioral Health Center. Dmand AI also links Karthik Sivashanker to 5 more medical groups and 1 group practice or clinic, each named with a free account. Karthik Sivashanker's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Karthik S. Sivashanker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karthik Sivashanker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| TaraVista Behavioral Health Center | Available with a free account |
| +1 more site and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Karthik S. Sivashanker is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Karthik Sivashanker's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Karthik Sivashanker is licensed in New York.
Specialties and state licenses
- Psychiatry, New YorkPrimary
Psychiatrists near Karthik Sivashanker
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
Karthik S. Sivashanker's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Karthik Sivashanker's median patient age at 40, with 42% women.
Karthik Sivashanker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women42%
- Men57%
Source: Dmand AI Patient Panel Data
Karthik S. Sivashanker wrote 155 Medicare Part D claims in 2024
In 2024, Karthik Sivashanker wrote 155 Medicare Part D claims for 22 patients. 94% of them were for generic drugs. CMS names the drug for 59 of them, across 4 drugs with 11 or more claims each, at $1,794 in total drug cost. In 2023, CMS named 68 claims across 5 drugs.
Karthik Sivashanker's Part D claims by kind of drug, 2024
- Generic146 claims94%
- Brand-name and other9 claims6%
Karthik Sivashanker'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: 682024: 5913%
Drugs named by CMS: 4 in 2024, 5 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
How Karthik S. Sivashanker takes part in Medicare
Karthik Sivashanker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Karthik S. Sivashanker received $20 in industry payments in 2017
CMS Open Payments shows 1 general payment to Karthik Sivashanker from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Tandem Diabetes Care, Inc. paid the most, $20.
Companies that paid Karthik Sivashanker the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Karthik S. Sivashanker'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) |
| 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 Karthik S. Sivashanker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Karthik S. Sivashanker's NPI number?
Karthik S. Sivashanker's NPI number is 1912140054. It was assigned on April 17, 2009, and it is active in the NPI Registry.
What does Karthik S. Sivashanker specialize in?
Karthik S. Sivashanker is a psychiatrist in Devens, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Karthik S. Sivashanker practice?
Karthik Sivashanker practices at 85 Patton Road, Devens, MA 01434. Karthik Sivashanker's primary practice is TaraVista Behavioral Health Center in Devens, Massachusetts, part of TaraVista HealthPartners. Dmand AI also links Karthik Sivashanker to 5 medical groups and 1 group practice or clinic.
What is Karthik S. Sivashanker's office phone number?
The practice phone on file for Karthik Sivashanker is (978) 615-5200.
What is Karthik S. Sivashanker's medical license number?
Karthik Sivashanker holds New York license 261540.
Which hospitals is Karthik S. Sivashanker affiliated with?
Karthik Sivashanker practices at TaraVista Behavioral Health Center in Devens, Massachusetts.
What medical group is Karthik S. Sivashanker part of?
Karthik Sivashanker is linked to TaraVista Behavioral Health Center. Dmand AI links Karthik Sivashanker to 5 more medical groups.
Does Karthik S. Sivashanker accept Medicare?
Yes. CMS lists Karthik Sivashanker as accepting Medicare assignment.
What drugs does Karthik S. Sivashanker prescribe most?
In 2024 Medicare Part D data, Karthik Sivashanker's most prescribed drugs by claims were Aripiprazole, Venlafaxine HCl ER and Dextroamphetamine-Amphetamine.
Has Karthik S. Sivashanker received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Karthik Sivashanker from 1 company from 2017 to 2017. The largest total came from Tandem Diabetes Care, Inc.
How long has Karthik S. Sivashanker been practicing?
Karthik Sivashanker graduated from medical school in 2009, 17 years ago.
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