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Internal Medicine

Mary K. Odowd, MD

Works at hospitals in Saint Louis, MO · Chesterfield, MO · Missouri

Summary

Dr. Mary K. Odowd, MD is an internal medicine doctor at 224 S Woods Mill Rd, Suite 370s, Chesterfield, MO 63017. Phone: (314) 878-4682. May accept Medicare assignment. In 2024, Mary K. Odowd had 109 Original Medicare patients and 473 services. NPI 1235214214. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 224 S Woods Mill Rd, Suite 370s, Chesterfield, MO 63017 · Directions
  • Phone: (314) 878‑4682
  • Medicare: May accept Medicare assignment
  • Hospitals: Mercy Hospital St Louis, St Lukes Hospital
  • Medical school: Northwestern University Feinberg Medical School · graduated 1986 (40 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary K. Odowd, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mary K. Odowd accept Medicare assignment?
Medicare's clinician data says Mary K. Odowd may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Mary K. Odowd see?
In 2024, CMS data shows 109 Original Medicare patients and 473 services for Mary K. Odowd. This counts Original Medicare only and measures volume, not quality.
What is Mary K. Odowd's NPI number?
1235214214. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mary K. Odowd, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients109
Services billed to Medicare473
Different services or procedures11
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)285 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)72 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)41 services
  4. Administration of influenza virus vaccine (G0008)27 services
  5. Influenza vaccine split virus, preservative free (90662)25 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis38%
  • Ischemic heart disease25%
  • Anxiety21%
  • Diabetes19%

Hospitals where Mary K. Odowd works

Medicare's Facility Affiliation Data lists Mary K. Odowd at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Mary K. Odowd is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Chesterfield

Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.

All internal medicine doctors in Chesterfield →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year1986 (40 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1235214214
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians