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General dentist · Greenway / Upper Kirby Area

John H. Krell DDS

3900 Essex Ln #1130, Houston, TX 77027

5 stars in 250+ reviews Opening hours below
Call (713) 877-1775 Directions Website (houstoncosmeticdental.com, opens in a new tab)

Reviews

5 stars in 250+ reviews

4–5 stars: 99% · 1–2 stars: 1% · 212 written reviews

Last 12 months: 51 reviews · 100% 4–5 stars · Replies: 76% of reviews · 0 of 3 one- and two-star

52mention friendly, welcoming staff

11mention gentle, thorough cleanings

8mention a modern, attractive office

Read what patients say (6 themes) ↓Write a review
  • Sedation permit (TX board)

Short-notice appointments

A few reviewers say the office fit them in on short notice, a practical detail when an unexpected dental problem comes up.

How the visit felt

11Gentle, thorough cleanings
7A gentle touch

Staff and office

52Friendly, welcoming staff
8A modern, attractive office

Getting seen

5Being fitted in at short notice

Why patients came

5Coming in with a broken or chipped tooth

How we count themes

Sedation authorization

State records authorize Dr. Krell to administer nitrous oxide and level 1 sedation.

Dr. John Krell, DDS

  • Texas license active, first licensed Jul 1989
  • Dental school: UTHealth Houston School of Dentistry, 1989
  • Holds a nitrous oxide (laughing gas) permit (since 1990) and a level 1 sedation permit (most recent 2003)

NPI 1811024268 · Texas State Board of Dental Examiners, checked Sep 2026 · named on its business listing

How it compares in Houston

One- and two-star reviews
1%of 212 written reviews
A lower share than 75% of Houston practices
Middle Houston practice: 4%
Replies to reviews
76%of written reviews get a reply (0 of 3 one- and two-star)
More replies than 78% of Houston practices
Middle Houston practice: 35%
Licensed in Texas since
1989its longest-licensed confirmed dentist
Licensed longer than 79% of Houston dentists we list
Middle Houston dentist: first licensed 2004

How we compare

What they can help with

Sedation & nervous patients: how it works ShowA scale of four sedation levels from most to least awake: minimal, moderate, deep and general anesthesia.

Also listed on its website

  • Veneers & cosmetic

    Listed on its business profile · Listed category: Cosmetic dentist

  • Teeth whitening

    Listed on its business profile · Listed category: Teeth whitening service

Calls after procedures

After procedures, Dr. Krell sometimes called that same evening to check in, reviewers say.

Insurance and cost conversations

In reviews, staff discussed insurance benefits and out-of-pocket costs, and patients said they were not pressured into unnecessary work.

Ways to pay

  • Accepts payment plans (its business profile)
  • Accepts credit cards, debit cards and mobile pay (its business profile)

Your review of John H. Krell DDS

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Write a review

When you can go

Closed
Friday, and weekends

Hours from its listing. Check when you call.

Getting there

3900 Essex Ln #1130
Houston, TX 77027
Get directions
  • Wheelchair-accessible entrance, parking, restroom and seating
  • Free parking lot
  • On-site parking

Its business profile

In the practice's words

Its own business description

“Looking for a trusted family dentist in Houston, TX? Dr. John Krell brings over 35 years of experience, offering gentle, comprehensive dental care for the whole family in the Greenway Plaza / Upper Kirby area. Need help fast? We offer same-day emergency dental care for toothaches, broken teeth, and dental trauma. …”

Need another dentist?

See all 706 Houston practices for sedation & nervous patients →

Ready to call?

Call (713) 877-1775 Other Houston dentists

Sources and dates

Business listing and reviews, Sep 2026 · houstoncosmeticdental.com, Sep 2026 · Texas State Board of Dental Examiners, Sep 2026 · NPI registry · City of Houston super neighborhoods

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