Dr. Jennifer E. Gerken , DC
Chiropractor โข O Fallon, MO
9961 Winghaven Blvd
O Fallon, MO 633683623
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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NPI assigned on May 20, 2015; this date does not establish years in practice.
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Published CMS data list 350 Original Medicare Part B services in 2017.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2017. Published rows only; this is not a quality measure.
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Published Part B service records, 2017:
- 98941 โ Chiropractic manipulative treatment, 3-4 spinal regions: 264 service units.
- 98940 โ Chiropractic manipulative treatment, 1-2 spinal regions: 86 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2017. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2016 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2017). CPT notice
See the full table ยท Guide: How to read Medicare Part B data
Practice Location & Contact Primary Location
9961 Winghaven Blvd
O Fallon, MO 633683623
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: Dynamic Chiropractic And Wellness Center. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
Logan College Of Chiropractic
2015
What Public CMS Data Show
Chiropractor: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $12,448 in 2017
The total amount Medicare approved for these services in 2017. 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, 2017.
Paid by Medicare
About $9,534 in 2017
The part of the Medicare-allowed amount that Medicare itself paid in 2017, 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, 2017.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019โ2025.
Years since graduation
11 years (graduated 2015)
CMS Doctors and Clinicians data list 2015 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.
NPI first issued
2015
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; 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.
Enrolled in Medicare (PECOS)
Dr. Gerken 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.
Compared with the same specialty in O Fallon and Missouri
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Gerken are from 2017.
74 active clinicians are listed under Chiropractor with a practice address in O Fallon, MO (2,538 in Missouri).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in O Fallon
0% of these 74 clinicians have the CMS telehealth indicator.
29.7% of these 74 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 2017 only.
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Medicare-allowed amount
CMS data for Medicare-allowed amount are available for 2017 only.
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Paid by Medicare
CMS data for Medicare payment amount are available for 2017 only.
Sources: CMS Medicare Physician & Other Practitioners (2017), CMS Doctors and Clinicians, 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 2016 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, 2017; 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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98941
Chiropractic manipulative treatment, 3-4 spinal regions
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264 | 30 | $65.00 | $38.49 |
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98940
Chiropractic manipulative treatment, 1-2 spinal regions
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86 | 12 | $60.00 | $26.59 |
Source: CMS Part B by Provider and Service, 2017; 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: 2025-07-12NUCC Taxonomy Code: 111N00000X
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - CHIROPRACTIC
I20250804003425
MO
5496066458
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
Dynamic Chiropractic And Wellness Center
9961 Winghaven Blvd, O Fallon, MO 633683623
Phone: 6362522566
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Chiropractor
Doctor of Chiropractic
Physical Therapist
Physical Therapist
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 9961 WINGHAVEN BLVD, O FALLON, MO 633683623 (Tel: 3626525666)
Registered at 9961 WINGHAVEN BLVD, O FALLON, MO 633683623 (Tel: 3626525666)
Registered at 519 MAY VALLEY DR APT F, FENTON, MO 630263893 (Tel: 3142390333)
Registered at 519 MAY VALLEY DR APT F, FENTON, MO 630263893 (Tel: 3142390333)
Registered at 10206 WATSON RD, SAINT LOUIS, MO 631271104 (Tel: 3144405242)
Registered at 10206 WATSON RD, SAINT LOUIS, MO 631271104 (Tel: 3144405242)
Registered at 2039 S OLD HIGHWAY 94, SAINT CHARLES, MO 633033724 (Tel: 6367249444)
Registered at 2039 S OLD HIGHWAY 94, SAINT CHARLES, MO 633033724 (Tel: 6367249444)
Registered at 23 N GORE AVE STE 210, WEBSTER GROVES, MO 631192300 (Tel: 3142390333)
Registered at 23 N GORE AVE STE 210, WEBSTER GROVES, MO 631192300 (Tel: 3142390333)
Chiropractor (license number reported to NPPES: MO 2020038136)
NPI status registered as active in NPPES database
Registered at 1100 STATE ROAD 39 BYP S, MARTINSVILLE, IN 461512458 (Tel: 8122723700)
Registered at 2212 S OAKDALE DR, APT B, BLOOMINGTON, IN 474033081 (Tel: 3142390333)
Recorded as JENNIFER GERKEN, D.C.
Chiropractor (license number reported to NPPES: IN 08002845A)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Chiropractors in O Fallon
- Dr. Kristina Clay, DC
- Dr. Brandon Jackson, DC
- Dr. Courtney Lehmen, DC
- Bradley Agan
- Dr. Jessica Riedisser, DC
- Dr. Jason Hamed, DC
Mailing Address
9961 Winghaven Blvd
O Fallon, MO 633683623
Phone: 3626525666