Registry data as of Aug 27, 2026

Catherine Wittgen, MD

Vascular Surgery Physician · Saint Louis, MO

Catherine 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1184728305
Name
Catherine 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1225 S Grand Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashley Ali, M.D.Orthopaedic Surgery Physician1922340603
  2. Charles Andrus, MDTrauma Surgery Physician1689611840
  3. Jastin Antisdel, MDOtolaryngology Physician1073714564
  4. Hossein Asghari, M.D.Ophthalmology Physician1427468818
  5. Rama Atluri, M.D.Rheumatology Physician1063507531
  6. Ashley Berneking, NP-CGerontology Nurse Practitioner1437615044

Verify Catherine Wittgen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R1P76
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

32% 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 211 among the 3,020 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Catherine Wittgen143
  2. Specialty average211

Most prescribed

  1. Cilostazol43 claims
  2. Gabapentin22 claims
  3. 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 Medicare quality score for 2023: 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.

  1. Qualityout of 100 · 30% of the final score76.1
  2. Costout of 100 · 30%54.3
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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, mostly food and beverage; the largest payer was Abbott Laboratories. The 3,067 providers of this specialty with any payment received $6,147.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Wittgen$166.46
  2. Specialty average$6,147.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Ssm Health Care GroupSaint Louis, MO

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Vascular Surgery Physician providers in Missouri

There are 76 vascular surgery physician records in Missouri.

Other vascular surgery physician records in Missouri

  1. Olaguoke Akinwande, MDSaint Louis, MO1235362252
  2. Brent Allen, MDSaint Louis, MO1770513319
  3. Robert Anderson, M.D.Kansas City, MO1588656243
  4. Arthur Auer, M.D.Saint Louis, MO1811004153
  5. Marcus Barber, MDKansas City, MO1346467420
  6. Jonathan Bath, M.D.Columbia, MO1811041643
  7. Girish Bhatt, MDPoplar Bluff, MO1902836216
  8. Joedd Biggs, MDSaint Joseph, MO1760897367
  9. Kent Blanke, DOKirksville, MO1841367380
  10. Matthew Breite, M.D.Saint Louis, MO1114373941

Common questions

What is Catherine Wittgen, MD's NPI number?

Catherine 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 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 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 Wittgen, MD prescribe under Medicare Part D?

In 2024, Catherine Wittgen, MD had 143 Medicare Part D claims for 37 beneficiaries; the average among vascular surgery physician prescribers was 211. Part D covers Medicare prescriptions only.

What is Catherine Wittgen, MD's Medicare quality 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.