Dr. David A. Katzman, MD
- Part D claims, 2024
- 8,765
- Hospital affiliations
- 2
- Industry payments
- $3,326
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3015 N Ballas Rd, Saint Louis, MO 63131
- Practice phone
- Call (314) 996-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Katzman'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 A. Katzman is an internist in Saint Louis, Missouri
Dr. Katzman practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.
Dr. Katzman's NPI, 1346308392, was assigned on December 4, 2006. Dr. Katzman graduated from Saint Louis University School of Medicine in 1991. Dr. Katzman holds Missouri license 103198.
- NPI
- 1346308392NPI Registry (opens in a new tab)
- NPI enumeration date
- December 4, 2006
- NPI status
- Active
- Practice phone
- (314) 996-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David A. Katzman practices at Missouri Baptist Medical Center in Saint Louis, Missouri
Dr. Katzman's primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.
- Missouri Baptist Medical Center3015 N Ballas Rd, Saint Louis, MO 63131 · St. Louis CountyPhone(314) 996-5000
Source: Dmand AI Affiliation Data
Dr. David A. Katzman is affiliated with 2 sites of care
Dr. Katzman's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Katzman to 1 hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David A. Katzman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Katzman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Missouri Baptist Medical Center | Available with a free account |
| +1 more affiliated site | 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 BJC Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David A. Katzman is one of 2,114 internists in Missouri
Internal medicine is Dr. Katzman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Katzman is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Katzman
Counts of internists 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 A. Katzman's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Katzman's median patient age at 74, with 40% women.
Dr. Katzman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women40%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. David A. Katzman wrote 8,765 Medicare Part D claims in 2024
In 2024, Dr. Katzman wrote 8,765 Medicare Part D claims for 522 patients. 85% of them were for generic drugs. CMS names the drug for 7,900 of them, across 160 drugs with 11 or more claims each, at $601,106 in total drug cost. In 2023, CMS named 7,710 claims across 162 drugs.
Dr. Katzman's Part D claims by kind of drug, 2024
- Generic7,468 claims85%
- Brand-name1,228 claims14%
- Other69 claims1%
Dr. Katzman'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. Katzman's Part D claims, 2024
- Opioids3%229 of 8,765 claims
- Antibiotics5%447 of 8,765 claims
- Antipsychotics, patients 65 and over1%71 of 8,765 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: 7,7102024: 7,9002%
Drugs named by CMS: 160 in 2024, 162 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 A. Katzman received $3,326 in industry payments from 2016 to 2025
CMS Open Payments shows 113 general payments to Dr. Katzman from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,005.
General payments to Dr. Katzman by program year, 2016 to 2025
General payments to Dr. Katzman by kind, 2016 to 2025
- Food and beverage$3,30799%
- Education$191%
Companies that paid Dr. Katzman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David A. Katzman graduated from Saint Louis University School of Medicine
Dr. Katzman graduated from Saint Louis University School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David A. Katzman'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) |
| 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. David A. Katzman
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 A. Katzman's NPI number?
Dr. David A. Katzman's NPI number is 1346308392. It was assigned on December 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Katzman?
Dr. David A. Katzman is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David A. Katzman practice?
Dr. Katzman practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Katzman's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Katzman to 1 hospital.
What is Dr. David A. Katzman's office phone number?
The practice phone on file for Dr. Katzman is (314) 996-5000.
What is Dr. David A. Katzman's medical license number?
Dr. Katzman holds Missouri license 103198.
Which hospitals is Dr. David A. Katzman affiliated with?
Dr. Katzman practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dmand AI links Dr. Katzman to 1 more hospital.
Where did Dr. David A. Katzman go to medical school?
Dr. Katzman graduated from Saint Louis University School of Medicine in 1991.
What drugs does Dr. David A. Katzman prescribe most?
In 2024 Medicare Part D data, Dr. Katzman's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Rosuvastatin Calcium.
Has Dr. David A. Katzman received payments from drug or device companies?
CMS Open Payments shows $3,326 in general payments to Dr. Katzman from 16 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. David A. Katzman been practicing?
Dr. Katzman graduated from medical school in 1991, 35 years ago.
Selling to internal medicine practices?
See internists 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