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Obstetrics/Gynecology

Teri A. Deffenbaugh, DO

Works at hospitals in Columbia, MO · Missouri

Summary

Dr. Teri A. Deffenbaugh, DO is an OB-GYN at 1125 Madison St, Jefferson City, MO 65101. Phone: (573) 635-7141. Accepts Medicare assignment. In 2024, Teri A. Deffenbaugh had 104 Original Medicare patients and 312 services. NPI 1427006071. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1125 Madison St, Jefferson City, MO 65101 · Directions
  • Phone: (573) 635‑7141
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Missouri Health Care
  • Group practice: The Curators of the University of Missouri
  • Medical school: At Still University Of Health Sciences, College Of Osteo Med, Kirksville · graduated 1990 (36 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Teri A. Deffenbaugh, 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 Teri A. Deffenbaugh accept Medicare assignment?
Yes. Medicare's clinician data says Teri A. Deffenbaugh accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Teri A. Deffenbaugh see?
In 2024, CMS data shows 104 Original Medicare patients and 312 services for Teri A. Deffenbaugh. This counts Original Medicare only and measures volume, not quality.
What is Teri A. Deffenbaugh's NPI number?
1427006071. 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 Teri A. Deffenbaugh, 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 patients104
Services billed to Medicare312
Different services or procedures23
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)78 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)58 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)35 services
  4. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)29 services
  5. Fitting and insertion of vaginal support device (57160)22 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 pressure62%
  • High cholesterol58%
  • Arthritis53%
  • Anxiety31%
  • Osteoporosis24%
  • Diabetes21%

Hospitals where Teri A. Deffenbaugh works

Medicare's Facility Affiliation Data lists Teri A. Deffenbaugh 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 Teri A. Deffenbaugh is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Teri A. Deffenbaugh as a member of this group (CMS data updated October 2, 2026).

  • The Curators of the University of Missouri1,131 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Missouri →

Other OB-GYNs in Jefferson City

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

All OB-GYNs in Jefferson City →

Other clinicians in The Curators of the University of Missouri

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427006071
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