David Katzman, MD
Internal Medicine Physician · Saint Louis, MO
David Katzman, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1346308392, issued on Dec 4, 2006. Check the license (Missouri 103198, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- David Katzman
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 103198 MO
Self-reported in NPPES; status is on the state search - Practice location
- 11709 Old Ballas RD Ste 101, Saint Louis, MO 63141
- Phone
- (314) 993-1200
- Enumerated
- Dec 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 11709 Old Ballas RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline Fairchild, MDInternal Medicine Physician1912014184
Verify David Katzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 103198Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,765 Medicare Part D claims for 522 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 229 claims were for opioids.
Most prescribed
- Atorvastatin Calcium391 claims
- Levothyroxine Sodium336 claims
- Rosuvastatin Calcium279 claims
- Amlodipine Besylate274 claims
- Eliquis221 claims
- Metoprolol Succinate188 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $203.31
16 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 941 in Saint Louis → All 2,604 in Missouri → Every provider in Saint Louis →
Other internal medicine physician records in Missouri
- Betty Abban, M.D.Springfield, MO1063893162
- Amer Abbas, MDSaint Louis, MO1508480666
- Fizza Abbas, MDSaint Louis, MO1588079230
- Marghoob Abbas, M.D.St Joseph, MO1588603781
- Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
- Sundas Abbas, MDRichmond Heights, MO1649790486
- Hajira Abbasi, DOSaint Louis, MO1194036947
- Catey Abbott, DOSaint Louis, MO1699355347
- David Abbott, MDRichmond Heights, MO1568448850
- Wael Abduljaber, MDSaint Louis, MO1174101489
Common questions
What is David Katzman, MD's NPI number?
David Katzman, MD's National Provider Identifier (NPI) is 1346308392, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Katzman, MD located?
The NPPES record lists a practice address at 11709 Old Ballas RD Ste 101, Saint Louis, MO, 63141. Phone: (314) 993-1200. Providers update this record themselves, so call before visiting.
How can I verify David Katzman, MD's license?
NPPES lists Missouri license number 103198, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Katzman, MD prescribe under Medicare Part D?
In 2024, David Katzman, MD had 8,765 Medicare Part D claims for 522 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.