Dr. Daniel Jon Kostalnick, MD
- Part D claims, 2024
- 1,308
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $114
- State licenses
- 2
- Practice address
- 5555 West Las Positas Boulevard, Pleasanton, CA 94588
- Practice phone
- Call (925) 847-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kostalnick'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. Daniel Jon Kostalnick is a psychiatrist in Pleasanton, California
Dr. Kostalnick practices at Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University.
Dr. Kostalnick's NPI, 1821007295, was assigned on August 5, 2006. Dr. Kostalnick graduated from UC Irvine School of Medicine in 2000. Dr. Kostalnick holds California license A77386.
- NPI
- 1821007295NPI Registry (opens in a new tab)
- NPI enumeration date
- August 5, 2006
- NPI status
- Active
- Practice phone
- (925) 847-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Daniel Jon Kostalnick practices at Stanford Health Care Tri-Valley in Pleasanton, California
Dr. Kostalnick's primary practice is Stanford Health Care Tri-Valley, at 5555 West Las Positas Boulevard, Pleasanton, CA 94588 in Alameda County. The practice phone is (925) 847-3000.
- Stanford Health Care Tri-Valley5555 West Las Positas Boulevard, Pleasanton, CA 94588 · Alameda CountyPhone(925) 847-3000
Source: Dmand AI Affiliation Data
Dr. Daniel Jon Kostalnick is affiliated with 1 site of care
Dr. Kostalnick's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel Jon Kostalnick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kostalnick practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Health Care Tri-Valley | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel Jon Kostalnick is one of 6,803 psychiatrists in California
Psychiatry is Dr. Kostalnick's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Kostalnick is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Kostalnick's licenses on file in 2 states: California and Idaho.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Idaho license
Psychiatrists near Dr. Kostalnick
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. Daniel Jon Kostalnick's patients have a median age of 30
Across all payers, Dmand AI patient panel data puts Dr. Kostalnick's median patient age at 30, with 52% women.
Dr. Kostalnick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 30
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Daniel Jon Kostalnick wrote 1,308 Medicare Part D claims in 2024
In 2024, Dr. Kostalnick wrote 1,308 Medicare Part D claims for 94 patients. 98% of them were for generic drugs. CMS names the drug for 1,273 of them, across 33 drugs with 11 or more claims each, at $39,531 in total drug cost. In 2023, CMS named 978 claims across 30 drugs.
Dr. Kostalnick's Part D claims by kind of drug, 2024
- Generic1,276 claims98%
- Brand-name32 claims2%
Dr. Kostalnick'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 Dr. Kostalnick's Part D claims, 2024
- Antipsychotics, patients 65 and over7%90 of 1,308 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9782024: 1,27330%
Drugs named by CMS: 33 in 2024, 30 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
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Dr. Daniel Jon Kostalnick has 1 publication on record
Dmand AI links 1 paper to Dr. Kostalnick.
Recent publications by Dr. Kostalnick
See who Dr. Kostalnick researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kostalnick 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. Daniel Jon Kostalnick received $114 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Kostalnick from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $114.
Companies that paid Dr. Kostalnick the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel Jon Kostalnick has 1 award and honors on record
Dmand AI lists 1 award for Dr. Kostalnick.
Awards and honors for Dr. Kostalnick
- Undated
- Fellow
Source: Dmand AI Professional Profile Data
Dr. Daniel Jon Kostalnick graduated from UC Irvine School of Medicine
Dr. Kostalnick graduated from UC Irvine School of Medicine in 2000. Dr. Kostalnick is a member of APA.
- Medical school
- Board certified in psychiatry
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel Jon Kostalnick'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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Daniel Jon Kostalnick
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. Daniel Jon Kostalnick's NPI number?
Dr. Daniel Jon Kostalnick's NPI number is 1821007295. It was assigned on August 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Jon Kostalnick?
Dr. Daniel Jon Kostalnick is a psychiatrist in Pleasanton, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Daniel Jon Kostalnick practice?
Dr. Kostalnick practices at 5555 West Las Positas Boulevard, Pleasanton, CA 94588. Dr. Kostalnick's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University.
What is Dr. Daniel Jon Kostalnick's office phone number?
The practice phone on file for Dr. Kostalnick is (925) 847-3000.
What is Dr. Daniel Jon Kostalnick's medical license number?
Dr. Kostalnick holds California license A77386, one of the licenses on file in 2 states.
Which states has Dr. Daniel Jon Kostalnick been licensed in?
Dmand AI has state licenses on file for Dr. Kostalnick in California (2001 to 2027) and Idaho (2024 to 2026).
Which hospitals is Dr. Daniel Jon Kostalnick affiliated with?
Dr. Kostalnick practices at Stanford Health Care Tri-Valley in Pleasanton, California.
Is Dr. Daniel Jon Kostalnick board certified?
Yes. Dr. Kostalnick is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Daniel Jon Kostalnick go to medical school?
Dr. Kostalnick graduated from UC Irvine School of Medicine in 2000.
What drugs does Dr. Daniel Jon Kostalnick prescribe most?
In 2024 Medicare Part D data, Dr. Kostalnick's most prescribed drugs by claims were Duloxetine HCl, Bupropion XL and Alprazolam.
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Has Dr. Daniel Jon Kostalnick received payments from drug or device companies?
CMS Open Payments shows $114 in general payments to Dr. Kostalnick from 1 company from 2023 to 2023. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Daniel Jon Kostalnick been practicing?
Dr. Kostalnick graduated from medical school in 2000, 26 years ago.
Does Dr. Daniel Jon Kostalnick do research?
Dmand AI links 1 publication to Dr. Kostalnick.
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