Dr. John Stephen Cowan , DC
Chiropractor • Clarkston, MI
6507 Town Center Dr, Suite F
Clarkston, MI 483464826
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 February 7, 2006; this date does not establish years in practice.
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Published CMS data list 689 Original Medicare Part B services in 2020.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020. Published rows only; this is not a quality measure.
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Published Part B service records, 2020:
- 98941 — Chiropractic manipulative treatment, 3-4 spinal regions: 396 service units.
- 98942 — Chiropractic manipulative treatment, 5 spinal regions: 293 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2019 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2020). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Medicare Part B services went from 794 in 2017 to 689 in 2020.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2020.
Practice Location & Contact Primary Location
6507 Town Center Dr
Suite F
Clarkston, MI 483464826
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Chiropractor: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $32,398 in 2020
The total amount Medicare approved for these services in 2020. 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 – by Provider and Service, 2020.
Paid by Medicare
About $22,173 in 2020
The part of the Medicare-allowed amount that Medicare itself paid in 2020, 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 – by Provider and Service, 2020.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
NPI first issued
2006
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.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
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, “Does your provider accept Medicare as full payment?”
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.
Compared with the same specialty in Clarkston and Michigan
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Cowan are from 2020.
18 active clinicians are listed under Chiropractor with a practice address in Clarkston, MI (3,058 in Michigan).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Clarkston
0% of these 18 clinicians have the CMS telehealth indicator.
50% of these 18 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
Medicare Part B services decreased 13% from 794 in 2017 to 689 in 2020.
- 2017: 794
- 2018: 712
- 2019: 850
- 2020: 689
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Medicare-allowed amount
Medicare-allowed amount varied from year to year: $32,117 in 2017 and $32,398 in 2020.
- 2017: $32,117
- 2018: $29,370
- 2019: $37,735
- 2020: $32,398
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Paid by Medicare
Paid by Medicare varied from year to year: $23,042 in 2017 and $22,173 in 2020.
- 2017: $23,042
- 2018: $19,979
- 2019: $26,845
- 2020: $22,173
Sources: CMS Medicare Physician & Other Practitioners (2020), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2019 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 – by Provider and Service data, 2017–2020; 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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396 | 62 | $45.00 | $41.54 |
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98942
Chiropractic manipulative treatment, 5 spinal regions
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293 | 55 | $60.00 | $54.43 |
Source: CMS Part B by Provider and Service, 2020; 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: 2024-06-12NUCC 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.
Additional State Medicaid & Healthcare Payer Identifiers
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
Chiropractor
Doctor of Chiropractic
Chiropractor
Doctor of Chiropractic
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 7139 PERRY LAKE RD, CLARKSTON, MI 483461655 (Tel: 2483436111)
NPI status registered as active in NPPES database
Registered at 6507 TOWN CENTER DR, SUITE F, CLARKSTON, MI 483464826 (Tel: 2486257600)
Registered at 6507 TOWN CENTER DR, SUITE F, CLARKSTON, MI 483464826 (Tel: 2486257600)
Recorded as JOHN COWAN, DC
Chiropractor (license number reported to NPPES: MI 2301002754)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Chiropractors in Clarkston
- Dr. Scott Thomas, DC
- Dr. Travis Falkner, DC
- Dr. Kenneth Murkowski, DC
- Dr. Kevin Homer, DC
- Dr. Jeremy Rudkin, DC
- Dr. Gregory Ramboer, DC
Mailing Address
7139 Perry Lake Rd
Clarkston, MI 483461655
Phone: 2483436111