Catherine Deterding
Physician Assistant โข Saint Louis, MO
1201 S Grand Blvd
Saint Louis, MO 631041016
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Catherine Deterding is listed in NPPES under Physician Assistant.
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NPI assigned on September 12, 2023; this date does not establish years in practice.
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Published CMS data list 187 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 99232 โ Subsequent hospital care with moderate levelof medical decision making: 132 service units.
- 99233 โ Subsequent hospital care with moderate levelof medical decision making: 32 service units.
- 99239 โ Hospital discharge day management: 23 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See the full table ยท Guide: How to read Medicare Part B data
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Close to the middle for Medicare Part B services among clinicians listed under Physician Assistant in Saint Louis, MO (2024, 268 clinicians with data). Median for this group: 194. Middle half: 69 to 462.
Close to the middle for Medicare Part B services among clinicians listed under Physician Assistant in Missouri (2024, 944 clinicians with data). Median for this group: 228. Middle half: 96 to 567.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
Practice Location & Contact Primary Location
1201 S Grand Blvd
Saint Louis, MO 631041016
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Ssm Health Care Group. See the list
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026
2023
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
60 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider, 2024.
Medicare-allowed amount
About $13,723 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
Paid by Medicare
About $10,933 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2021โ2025.
Years since graduation
3 years (graduated 2023)
CMS Doctors and Clinicians data list 2023 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.
NPI first issued
2023
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, โDoes your provider accept Medicare as full payment?โ
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.
Enrolled in Medicare (PECOS)
Catherine Deterding has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Catherine Deterding as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Saint Louis and Missouri
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Close to the middle for clinicians listed under Physician Assistant in Saint Louis, MO (2024, 268 clinicians with data). Median for this group: 194. Middle half: 69 to 462.
Close to the middle for clinicians listed under Physician Assistant in Missouri (2024, 944 clinicians with data). Median for this group: 228. Middle half: 96 to 567.
Medicare-allowed amount
Close to the middle for clinicians listed under Physician Assistant in Saint Louis, MO (2024, 268 clinicians with data). Median for this group: $14,982. Middle half: $5,920 to $31,550.
Close to the middle for clinicians listed under Physician Assistant in Missouri (2024, 944 clinicians with data). Median for this group: $16,366. Middle half: $7,632 to $33,529.
Paid by Medicare
Close to the middle for clinicians listed under Physician Assistant in Saint Louis, MO (2024, 268 clinicians with data). Median for this group: $11,300. Middle half: $4,522 to $23,811.
Close to the middle for clinicians listed under Physician Assistant in Missouri (2024, 944 clinicians with data). Median for this group: $12,114. Middle half: $5,668 to $25,488.
510 active clinicians are listed under Physician Assistant with a practice address in Saint Louis, MO (1,829 in Missouri).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Saint Louis
12.5% of these 510 clinicians have the CMS telehealth indicator.
67.8% of these 510 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
CMS data for Medicare Part B services are available for 2024 only.
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Medicare-allowed amount
CMS data for Medicare-allowed amount are available for 2024 only.
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Paid by Medicare
CMS data for Medicare payment amount are available for 2024 only.
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo ยท Report an error.
Performed Procedures & Service Volume
CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ by Provider and Service data, 2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
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132 | 43 | $150.00 | $64.28 |
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99233
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
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32 | 20 | $179.00 | $96.72 |
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99239
Hospital discharge day management, more than 30 minutes
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23 | 21 | $239.00 | $93.17 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2023-09-14NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PHYSICIAN ASSISTANT
I20240306003685
MO
2163868662
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026
Ssm Health Care Group
10101 Woodfield Ln, Saint Louis, MO 631322946
Phone: 6082804647
Ssm Health Care Group
1201 S Grand Blvd, Saint Louis, MO 631041016
Phone: 3146172000
Ssm Health Care Group
1225 S Grand Blvd, Saint Louis, MO 631041016
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Hospitalist
Doctor of Osteopathic Medicine (D.O.)
Orthopaedic Surgery
Doctor of Medicine (M.D.)
Nurse Anesthetist, Certified Registered
Hospitalist
Doctor of Medicine (M.D.)
Student in an Organized Health Care Education/Training Program
Student in an Organized Health Care Education/Training Program
Career & Practice History
NPI enumerated September 12, 2023.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from October 2023 to November 2026.
NPI Administrative Meta
Other Physician Assistants in Saint Louis
- Rachael Meuth, PA-C
- Margaret Youngs, PA
- Carmen Wilson, PA
- Alexis Bouras, PA-C
- Kelley Tegethoff, PA
- Elizabeth Schlueter, PA-C
Mailing Address
1201 S Grand Blvd
Saint Louis, MO 631041016
Phone: 3142578000