Colleen Wagner Harkreader, MD
Family Medicine · Charlotte, NC
At a glance
4815 Johnston Oehler Rd, Charlotte, NC 28269-1065
NPPES record updated Jul 15, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
4815 Johnston Oehler Rd Ste 100Charlotte, NC 28269-1065
Additional reported practice locations
101 E W T Harris BlvdSte 5401
Charlotte, NC 282623485
Phone: 7048639700 9611 Sherrill Estates Rd
Ste B
Huntersville, NC 280786485
Phone: 7048011150 10226 Couloak Dr
Ste 100
Charlotte, NC 282167675
Phone: 7048017380 14214 Ballantyne Lake Rd
Ste 100
Charlotte, NC 282773372
Phone: 7046672650
Education & affiliations
- Medical / professional school
- Wayne State University School Of Medicine
- Graduation year
- 2016
- CMS specialties
- Family Practice
Practice groups
Reported hospital affiliations
- Atrium Health University City Charlotte, NC
- Carolinas Medical Center-Northeast Concord, NC
- Carolinas Medical Center/Behav Health Charlotte, NC
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Family Medicine
- Taxonomy code
- 207Q00000X
- Enumeration date
- Mar 24, 2016
- Record updated
- Jul 15, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207Q00000X · Primary
License reported: 2017-02501 NC
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4815 Johnston Oehler RdSte 100
Charlotte, NC 28269-1065
- Phone
- (704) 801-7310
Mailing address
PO BOX 19305CHARLOTTE, NC 282199305
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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