Catherine M. Wittgen, MD
Vascular Surgery Physician · Saint Louis, MO
Catherine M. Wittgen, MD is a vascular surgery physician with a practice address in Saint Louis, Missouri, and NPI 1184728305, issued on Sep 8, 2006. Check the license (Missouri R1P76, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Catherine M. Wittgen
- Credential
- MD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- R1P76 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1225 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 617-3883
- Enumerated
- Sep 8, 2006
- Record last updated
- Sep 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20100303000980); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 101 in Missouri → Look up another NPI →
Also registered at 1225 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Ali, M.D.Orthopaedic Surgery Physician1922340603
- Charles Andrus, MDSurgery Physician1689611840
- Jastin Antisdel, MDOtolaryngology Physician1073714564
- Hossein Asghari, M.D.Ophthalmology Physician1427468818
- Rama Atluri, M.D.Rheumatology Physician1063507531
- Ashley Berneking, NP-CGerontology Nurse Practitioner1437615044
Verify Catherine M. Wittgen 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 R1P76Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average vascular surgery physician in 2024
143 Medicare Part D claims for 37 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Cilostazol43 claims
- Gabapentin22 claims
- Sulfamethoxazole-Trimethoprim16 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $166.46
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 4,059 providers of this specialty with any payment received $6,178.00 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.
Bills Medicare through one group practice
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine M. Wittgen among 101 vascular surgery physician records in Missouri
Catherine M. Wittgen, MD is one of 101 vascular surgery physician records with a practice address in Missouri. 88% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1989 · median 2005 among the 75 with a school on file
- Record last updated2025 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Missouri
There are 101 vascular surgery physician records in Missouri.
All 101 in Missouri → Every provider in Saint Louis → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Justin D'Addario, MDSaint Louis, MO 631041477059772
- David Ebertz, MDSaint Louis, MO 631041497215818
- Khanjan Nagarsheth, MDSaint Louis, MO 631041275789430
- Pavitra Ravishankar, MDSaint Louis, MO 631041669121448
- Matthew Smeds, MDSaint Louis, MO 631041003067240
- Brianna Whithorn, DOSaint Louis, MO 631041568923332
- Michael Williams, M.D.Saint Louis, MO 631041750544011
- Katherine Holzem, MDSaint Louis, MO 631061861912529
Common questions
What is Catherine M. Wittgen, MD's NPI number?
Catherine M. Wittgen, MD's National Provider Identifier (NPI) is 1184728305, issued on Sep 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine M. Wittgen, MD located?
The NPPES record lists a practice address at 1225 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 617-3883. Providers update this record themselves, so call before visiting.
How can I verify Catherine M. Wittgen, MD's license?
NPPES lists Missouri license number R1P76, 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 Catherine M. Wittgen, MD prescribe under Medicare Part D?
In 2024, Catherine M. Wittgen, MD had 143 Medicare Part D claims for 37 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
What is Catherine M. Wittgen, MD's MIPS final score?
The 2023 MIPS final score is 81.6 of 100, reported for the practice group. 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.