Paul S. Catanzaro, MD
Internal Medicine Physician · Saint Louis, MO
Paul S. Catanzaro, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1386653731, issued on Aug 5, 2006. Check the license (Missouri 36751, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Paul S. Catanzaro
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 36751 MO
Self-reported in NPPES; status is on the state search - Practice location
- 7721 Clayton RD, Saint Louis, MO 63117
- Phone
- (314) 546-6072
- Enumerated
- Aug 5, 2006
- Record last updated
- Jun 25, 2026
- Fax
- (888) 241-0471
- Medicaid ID
- 1386653731 MO
- Medicare enrollment
- Enrolled (PECOS I20041102000992); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Verify Paul S. Catanzaro 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 36751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.5 times the Medicare Part D claims of the average internal medicine physician in 2024
20,757 Medicare Part D claims for 665 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 6,183 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen3,479 claims
- Baclofen2,267 claims
- Hydrocodone-Acetaminophen2,214 claims
- Gabapentin1,493 claims
- Lidocaine1,230 claims
- Diclofenac Sodium Er887 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Gateway Midwest HealthcareBridgeton, MO
- Metro Medical InstituteSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul S. Catanzaro among 2,604 internal medicine physician records in Missouri
Paul S. Catanzaro, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1983 · median 2006 among the 1,443 with a school on file
- Record last updated2026 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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 2,604 in Missouri → Every provider in Saint Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Abbott, MDRichmond Heights, MO 631171568448850
- Monika Aplyn, M.D.Saint Louis, MO 631171336195247
- Kathleen Brunts, M.D.Saint Louis, MO 631171851382204
- Danita Cole, MDSaint Louis, MO 631171639152374
- Mohammad Emami, MDSaint Louis, MO 631171598712671
- Snehal Gandhi, M.D.Saint Louis, MO 631171184608689
- William Guyol, MDSaint Louis, MO 631171396738019
- Alka Kapoor, MDSaint Louis, MO 631171639122633
Common questions
What is Paul S. Catanzaro, MD's NPI number?
Paul S. Catanzaro, MD's National Provider Identifier (NPI) is 1386653731, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul S. Catanzaro, MD located?
The NPPES record lists a practice address at 7721 Clayton RD, Saint Louis, MO, 63117. Phone: (314) 546-6072. Providers update this record themselves, so call before visiting.
How can I verify Paul S. Catanzaro, MD's license?
NPPES lists Missouri license number 36751, 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 Paul S. Catanzaro, MD prescribe under Medicare Part D?
In 2024, Paul S. Catanzaro, MD had 20,757 Medicare Part D claims for 665 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Paul S. Catanzaro, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.