Ontario Medical Clinic email list
Ontario, CA has 67 medical clinic in the MapLeads maps index. Use the table below to filter the market, then scrape or export inside MapLeads for full contacts.
Ontario Medical Clinic market size
The 68 figure is a deduplicated count for medical clinic in Ontario. 57% website coverage means that share of rows has a website or domain. Figures update when MapLeads refreshes the index.
Businesses
68
Medical Clinic in Ontario — same business-row filter as the table.
Website coverage
57%
Share of rows in the current filter with a website field (row aggregate).
Reachable pool
39
Rows in this filter with a website field — enrichment pool.
Outreach score
52
0–100 from current-filter volume and website coverage (query-time on rows).
Outreach calculator
Ontario medical clinic — start from the 39 operators with a website field (68 total in this cut). Adjust your average order value and close rate to size pipeline.
Formula: reachable pool (rows with a website field) × close rate × average order value. This is a planning estimate, not a forecast — actual conversion depends on offer, list quality, and follow-up.
| Business | Industry | Location | Phone | Website |
|---|---|---|---|---|
| Aegis Treatment Centers | Ontario | Medical clinic; Addic* | Ontario, CA | +1 909 *** **50 | pinnacletreatment.com |
| Concentra Urgent Care | Occupational health s* | Ontario, CA | +1 909 *** **99 | concentra.com |
| Concentra Urgent Care | Occupational health s* | Ontario, CA | +1 909 *** **11 | concentra.com |
| JDMD Clinics APC | Medical clinic | Ontario, CA | +1 909 *** **74 | jdmdclinics.com |
| Friends of Family Health Center | Medical clinic; Commu* | Ontario, CA | +1 909 *** **00 | fofhealthcenter.org |
| Inland Metro Medical Group | Medical clinic | Ontario, CA | +1 909 *** **00 | inlandmetromed.com |
| ALL-PRO MEDICAL GROUP, INC. | Medical clinic; Acupu* | Ontario, CA | +1 909 *** **11 | chiropracticinmorenov* |
| Central Occupational Medicine | Occupational health s* | Ontario, CA | +1 909 *** **88 | centraloccupationalme* |
| Unicare Community Health Center, In* | Medical clinic; Commu* | Ontario, CA | +1 909 *** **55 | unicarechc.org |
| Concentra Urgent Care | Occupational health s* | Ontario, CA | +1 909 *** **80 | concentra.com |
| Premium Health | Medical clinic | Ontario, CA | +1 888 *** **50 | premiumhealth.us |
| Southern Ontario Medical Center | Medical clinic; Famil* | Ontario, CA | +1 909 *** **88 | — |
| William Paley | Medical clinic; Famil* | Ontario, CA | +1 909 *** **55 | weence.com |
| Las Palmas Medical Group - Ontario | Medical group; Doctor* | Ontario, CA | +1 909 *** **23 | palmasmed.com |
| California Medical Clinic | Medical clinic; Famil* | Ontario, CA | +1 909 *** **05 | — |
| Universal Multi Specialty Medical G* | Medical clinic; Geria* | Ontario, CA | +1 909 *** **38 | — |
| Trinity Medical Clinic | Medical clinic; Gener* | Ontario, CA | +1 909 *** **00 | — |
| Euclid Plaza Medical Clinic | Medical clinic | Ontario, CA | +1 909 *** **27 | — |
| Clinica Medica Familiar | Doctor; Medical clini* | Ontario, CA | +1 909 *** **88 | cmfmedical.net |
| Sana Clinic | Medical clinic; Famil* | Ontario, CA | +1 909 *** **27 | — |
Page 1 of 4 · 68 rows
Pull a live list for medical clinic in Ontario
MapLeads extracts local businesses from Google Maps, Apple Maps, and Bing Maps— or delivers a ready email list pack when you want a file without running a job. Start a trial, run a real search, and export to CSV the same day.
Medical Clinic in Ontario
Ontario, CA has 67 medical clinic businesses in the MapLeads maps index, making medical clinic the 10th largest vertical in the city (1.3% of Ontario's 5,326 businesses).
58.2% of those medical clinic rows carry a website — the enrichment pool for an email campaign in Ontario. Counts refresh with each index update.
The medical clinic market
Urgent care centers, multi-specialty clinics, and outpatient practices fall under this label, with ownership running the gamut from solo physician groups to private-equity-backed rollups operating dozens of locations. Whoever holds the purchasing pen is usually a practice administrator or office manager rather than a treating physician. Staffing shortages and billing complexity are the two recurring headaches across nearly every clinic in this set.
Ontario holds 0.0% of the 233,022 medical clinic businesses MapLeads tracks nationwide; within CA, Los Angeles leads the vertical at 1,324.
Ontario as a market
Ontario overall holds 5,326 businesses. Its largest verticals are Restaurant (419), Contractor (214), Dentist (148) — medical clinic sits further down the mix at 10th.
How to use this list
- Start with the 67 Ontario medical clinic rows below, then expand to nearby cities if volume runs short.
- Prefer rows with a website (58.2% of this market) for enrichment before cold email.
- Re-pull this city × industry cut after campaigns or quarterly — not the full national file every time.
FAQ: Ontario Medical Clinic email list
How many medical clinic businesses are in Ontario?
Ontario, CA has 67 medical clinic businesses in the MapLeads maps index — 1.3% of the city's 5,326 total, with 58.2% carrying a website. Counts refresh with each index update.
Does the list distinguish urgent care clinics from primary care family practices?
Yes, category assignment comes from Google Maps and the list aggregates by that category slug, so urgent care, family medicine, and pediatric clinics can be told apart rather than lumped into one generic "medical" bucket.
How does Ontario compare with other CA cities for medical clinic?
Los Angeles leads CA with 1,324 medical clinic businesses; Ontario holds 67. Both city markets are linked below.