Dr. David Krojanker, MD
- Medicare services, 2024
- 250
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 444
- Industry payments
- $11,337
- State license
- 1
- Practice address
- 1066 Executive Parkway Dr, Saint Louis, MO 63141
- Practice phone
- Call (314) 205-1707
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Krojanker'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. David Krojanker is a psychiatrist in Saint Louis, Missouri
Dr. Krojanker practices in Saint Louis, Missouri.
Dr. Krojanker's NPI, 1114900867, was assigned on November 28, 2005. Dr. Krojanker holds Missouri license R9F18.
- NPI
- 1114900867NPI Registry (opens in a new tab)
- NPI enumeration date
- November 28, 2005
- NPI status
- Active
- Practice phone
- (314) 205-1707
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. David Krojanker's practice address is in Saint Louis, Missouri
Dr. Krojanker's practice address in the NPI Registry is 1066 Executive Parkway Dr, Saint Louis, MO 63141, in Saint Louis County. The practice phone is (314) 205-1707.
- NPI Registry address1066 Executive Parkway Dr, Saint Louis, MO 63141 · Saint Louis CountyPhone(314) 205-1707
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. David Krojanker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Krojanker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Krojanker's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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. David Krojanker is one of 679 psychiatrists in Missouri
Psychiatry is Dr. Krojanker's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Krojanker is licensed in Missouri.
Specialties and state licenses
- Psychiatry, MissouriPrimary
Psychiatrists near Dr. Krojanker
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. David Krojanker billed Medicare for 250 services in 2024
CMS data shows 250 Medicare services from Dr. Krojanker across 3 procedure codes in 2024, for 36 Medicare patients. Medicare paid $13,951 for them. Every service was in an office.
Dr. Krojanker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1172024: 1257%
- Office and hospital visits
- 2023: 1172024: 1257%
Dr. Krojanker compared with the Missouri median for psychiatrists, 2024
- Dr. Krojanker
- Missouri median
- Medicare services
- 250vs 13388% above
- Medicare patients
- 36vs 4927% below
- Part D claims
- 426vs 29544% above
Medians across 752 psychiatrists in Missouri with Dmand AI profiles that report each measure.
Dr. Krojanker'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. Krojanker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Krojanker and other psychiatrists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Krojanker treated 36 Medicare patients in 2024, average age 74
CMS counts 36 Medicare patients who saw Dr. Krojanker in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have depression, and 75% have high cholesterol. Their average risk score is 0.86, where 1.00 is the Medicare average.
Dr. Krojanker's Medicare patients by age, 2024
Dr. Krojanker's Medicare patients by sex, 2024
- Women2569%
- Men1131%
Chronic conditions among Dr. Krojanker's Medicare patients, 2024
- Depression75%
- High cholesterol75%
- Mood disorders75%
- Arthritis44%
- High blood pressure44%
- Anxiety42%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Krojanker wrote 444 Medicare Part D claims in 2024
In 2024, Dr. Krojanker wrote 444 Medicare Part D claims for 58 patients. 100% of them were for generic drugs. CMS names the drug for 426 of them, across 9 drugs with 11 or more claims each, at $3,925 in total drug cost. In 2023, CMS named 432 claims across 9 drugs.
Dr. Krojanker'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: 4322024: 4261%
Drugs named by CMS: 9 in 2024, 9 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
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.
Dr. David Krojanker received $11,337 in industry payments from 2016 to 2025
CMS Open Payments shows 665 general payments to Dr. Krojanker from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $1,811.
General payments to Dr. Krojanker by program year, 2016 to 2025
General payments to Dr. Krojanker by kind, 2016 to 2025
- Food and beverage$11,318100%
- Education$190%
Companies that paid Dr. Krojanker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Krojanker'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 |
| 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 | Medicare 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) |
| 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 Dr. David Krojanker
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. David Krojanker's NPI number?
Dr. David Krojanker's NPI number is 1114900867. It was assigned on November 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David Krojanker?
Dr. David Krojanker is a psychiatrist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. David Krojanker practice?
Dr. Krojanker practices at 1066 Executive Parkway Dr, Saint Louis, MO 63141.
What is Dr. David Krojanker's office phone number?
The practice phone on file for Dr. Krojanker is (314) 205-1707.
What is Dr. David Krojanker's medical license number?
Dr. Krojanker holds Missouri license R9F18.
Does Dr. David Krojanker accept Medicare?
Yes. CMS data shows Dr. Krojanker billed Medicare for 250 services in 2024.
How many Medicare patients does Dr. David Krojanker see?
CMS counts 36 Medicare patients who saw Dr. Krojanker in 2024, with an average age of 74.
What services does Dr. David Krojanker bill to Medicare?
In 2024, Dr. Krojanker's most billed Medicare services were psychiatric service (90833), office visit, established patient (99213) and office visit, established patient (99214).
What drugs does Dr. David Krojanker prescribe most?
In 2024 Medicare Part D data, Dr. Krojanker's most prescribed drugs by claims were Sertraline HCl, Buspirone HCl and Fluoxetine HCl.
Has Dr. David Krojanker received payments from drug or device companies?
CMS Open Payments shows $11,337 in general payments to Dr. Krojanker from 35 companies from 2016 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. David Krojanker been practicing?
Dr. Krojanker's NPI was assigned in 2005.
Selling to psychiatry practices?
See psychiatrists in Missouri 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