David Marshall Katz, MD
Addiction Medicine (Internal Medicine) Physician · Boca Raton, FL
David Marshall Katz, MD is an addiction medicine (internal medicine) physician with a practice address in Boca Raton, Florida, and NPI 1255310108, issued on Jan 10, 2006. Check the license (Florida ME102631, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- David Marshall Katz
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Internal Medicine) Physician 207RA0401X
- License numbers
- ME102631 FL
MD 039970 E PA
Self-reported in NPPES; status is on the state search - Practice location
- 6405 Congress Ave Ste 160, Boca Raton, FL 33487
- Phone
- (561) 464-5500
- Enumerated
- Jan 10, 2006
- Record last updated
- Apr 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (561) 464-5501
- Medicaid ID
- 015809000 FL
- Entity
- Type 1 · individual
8 nearest addiction medicine (internal medicine) physician records → All 43 in Florida → Look up another NPI →
Also registered at 6405 Congress Ave Ste 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anne Crockett, APRNPsychiatric/Mental Health Nurse Practitioner1033771167
- Carrie Eberhart, LMHCMental Health Counselor1760819817
- Jared Zipper, LCSWClinical Social Worker1033692637
- Jeffrey Zipper, M.D.Physical Medicine & Rehabilitation Physician1467411975
Verify David Marshall Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME102631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average addiction medicine (internal medicine) physician in 2024
21 Medicare Part D claims, against an average of 829 among the 401 providers of this specialty who prescribed in Part D.
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.
David Marshall Katz among 43 addiction medicine (internal medicine) physician records in Florida
David Marshall Katz, MD is one of 43 addiction medicine (internal medicine) physician records with a practice address in Florida. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 42% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 28% of these records are
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0401X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Internal Medicine) Physician providers in Florida
There are 43 addiction medicine (internal medicine) physician records in Florida.
All 43 in Florida → Every provider in Boca Raton → Addiction Medicine (Internal Medicine) Physician nationwide →
The 8 addiction medicine (internal medicine) physician records with the nearest ZIP codes
- Michael Ligotti, DODelray Beach, FL 334831699854562
- Anatole Krukas, MDLake Worth, FL 334611043229941
- Jayshal Patel, MDLake Worth Beach, FL 334611649809955
- Carol Rudolph, M.D.Lake Worth, FL 334611083846034
- Timothy Anderson, M.D.Lake Worth, FL 334601316063357
- Robert Yodashkin, MDDelray Beach, FL 334451144386863
- Pamela Tambini, M.D.Riviera Beach, FL 334101396087698
- Lisa Tomsak, DOPalm Springs, FL 334061003809450
Common questions
What is David Marshall Katz, MD's NPI number?
David Marshall Katz, MD's National Provider Identifier (NPI) is 1255310108, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Marshall Katz, MD located?
The NPPES record lists a practice address at 6405 Congress Ave Ste 160, Boca Raton, FL, 33487. Phone: (561) 464-5500. Providers update this record themselves, so call before visiting.
How can I verify David Marshall Katz, MD's license?
NPPES lists Florida license number ME102631, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Marshall Katz, MD prescribe under Medicare Part D?
In 2024, David Marshall Katz, MD had 21 Medicare Part D claims; the average among addiction medicine (internal medicine) physician prescribers was 829. 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.