CallataGuidesBusiness phone system for physician practices in Houston, TX
Physician practices in the Houston-Pasadena-The Woodlands, TX metro area: 5,628 establishments in 2023, the local area codes, and what phone service costs a 9-person team.
- Establishments
- 5,628CBP 2023
- Employees
- 52,412mid-March 2023
- Per 100k residents
- 72.2U.S. 60.2
- Rank
- 6th of 911areas by count
The medical practice market in Houston, TX
There were 5,628 physician practices in the Houston-Pasadena-The Woodlands, TX metro area in 2023, according to Census County Business Patterns (NAICS 621111, Offices of Physicians (except Mental Health Specialists)). Together they reported 52,412 mid-March employees and $5.6 billion of payroll for the year. That ranks 6th of the 911 metro and micropolitan areas where Census published a count for this industry.
With 7.8 million residents in the Census 2024 estimate, that is 72.2 physician practices per 100,000 people, 20.0% above the national rate of 60.2. Establishments average 9.3 employees, 29.6% below the U.S. average of 13.2. Payroll per employee comes to $107,092, in line with the national $105,652.
| Measure | Houston, TX | Texas | United States |
|---|---|---|---|
| Establishments | 5,628 | 21,500 | 204,617 |
| Mid-March employees | 52,412 | 217,413 | 2,706,297 |
| Annual payroll | $5,612,928,000 | $22,921,596,000 | $285,925,593,000 |
| Employees per establishment | 9.3 | 10.1 | 13.2 |
| Payroll per employee | $107,092 | $105,429 | $105,652 |
| Establishments per 100,000 residents | 72.2 | 68.7 | 60.2 |
Census County Business Patterns 2023 (mid-March employment; annual payroll). Employees and payroll flagged high-noise are shown but not used in the text. Residents: Census Vintage 2024 estimates.
How big physician practices in Houston, TX are
Of the physician practices in Houston, TX that had employees in March 2023, 61.8% had fewer than five (the U.S. share is 52.7%). 80.6% had fewer than ten. For a business of a few people, phone coverage is a staffing question as much as a technology one: someone has to be free to pick up, or the call needs somewhere sensible to go.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 3,480 | 61.8% | 52.7% |
| 5–9 employees | 1,058 | 18.8% | 18.7% |
| 10–19 employees | 646 | 11.5% | 14.7% |
| 20–49 employees | 334 | 5.9% | 9.8% |
| 50 or more employees | 110 | 2.0% | 4.2% |
Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.
Calls a medical practice in Houston, TX has to catch
Physician offices field a steady stream of scheduling, prescription refill and test-result calls, and the same few staff members usually answer all of them. Routing calls to the right person and capturing clear messages keeps the waiting room and the phone lines moving.
Calls a medical practice in Houston, TX might handle in a typical week include:
- A pharmacy calls to clarify a medication order.
- A hospital discharge planner calls to schedule a follow-up visit.
- A patient calls asking whether lab results have arrived.
After-hours calls
After-hours callers need to hear clearly what to do in an emergency, and non-urgent messages need to be waiting, transcribed, for staff the next morning.
With business-hours routing, calls after closing can go to transcribed voicemail or an optional AI receptionist instead of ringing an empty room.
Phone system pricing for a 9-person medical practice
The average medical practice in Houston, TX has 9.3 employees, so a 9-person team is a reasonable benchmark. On a per-user plan that headcount sets the bill: $224.55 a month on Ooma Office Pro or $270.00 on RingCentral RingEX Core at list price (checked September 28, 2026). On Callata the same 9 people cost $179.00 a month, less than either per-seat plan.
The annual difference against RingCentral's monthly list price comes to $1,092. Some vendors discount annual contracts; the table shows month-to-month prices.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $179.00 | $2,148.00 |
| Quo (Starter) | $19.00 per user | $171.00 | $2,052.00 |
| Nextiva (Core) | $23.00 per user | $207.00 | $2,484.00 |
| Ooma (Office Pro) | $24.95 per user | $224.55 | $2,694.60 |
| Dialpad (Standard) | $27.00 per user | $243.00 | $2,916.00 |
| RingCentral (RingEX Core) | $30.00 per user | $270.00 | $3,240.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Which area code to use in Houston, TX
NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 713 has the most, with 747 of 2,385 exchanges (31%). Callata's plan includes up to 3 local numbers; you can pick them in the area codes your patients recognize, subject to carrier inventory, or port the number you already have for free.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 713 | 747 | Central | 1947 | 281, 346, 621, 832 |
| 832 | 547 | Central | 1999 | 281, 346, 713 |
| 281 | 393 | Central | 1996 | 346, 621, 713, 832 |
| 346 | 382 | Central | 2014 | 281, 621, 713, 832 |
| 936 | 144 | Central | 2000 | none |
| 979 | 100 | Central | 2000 | none |
| 409 | 71 | Central | 1982 | none |
| 806 | 1 | Central | 1957 | none |
Exchanges are NANPA-assigned central office codes (NPA-NXX) in the rate centers matched to the area's named places. Source: NANPA utilized code and NPA reports.
What physician practices in Houston, TX get with Callata
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
If you already have a number in Houston, TX, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
Practices that handle protected health information should review their own privacy obligations before recording calls, enabling AI summaries or texting appointment details, and keep clinical conversations out of text messages unless their policies allow it.
Frequently asked questions
How many physician practices are there in Houston, TX?
Census County Business Patterns counted 5,628 physician practices in the Houston-Pasadena-The Woodlands, TX metro area in 2023. They employed 52,412 people in mid-March.
What does a business phone system cost for a 9-person medical practice?
At month-to-month list prices checked September 28, 2026, 9 users cost $270.00 a month on RingCentral RingEX Core and $224.55 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $179.00.
What area code should a medical practice in Houston, TX use?
Area code 713 has the most assigned exchanges among the area's named places, followed by 832 and 281. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for a medical practice?
Yes. Callata's optional AI agents can answer when the team is busy or closed, take a message, text, email or transfer the call. They disclose that they are AI and are billed from prepaid AI minutes at $0.25 per minute. Practices that handle protected health information should review their own privacy obligations before recording calls, enabling AI summaries or texting appointment details, and keep clinical conversations out of text messages unless their policies allow it.