Michael Gerlach, DDS
Michael Gerlach, DDS is a provider specialising in General Practice Dentistry in Conroe, TX, registered under NPI 1003229477. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
Here is what surrounds this office in Conroe, based on OpenStreetMap data collected Sep 12, 2026. Parking is available about 0.45 mi away. A pharmacy sits 0.47 mi from the entrance (Walgreens), which helps if you leave with a prescription.
Getting here and what is nearby
Restaurant Latin Nutricion 584 ft ~3 min
2017 North Frazier Street, Conroe 77301
Mo-Fr 07:00-20:00; Sa 07:00-16:00; Su 08:00-23:00
Restaurant Pollos Asados Mi Regio 586 ft ~3 min
Restaurant El Tri 679 ft ~3 min
Gas station H-E-B Fuel 0.27 mi ~6 min
Grocery H-E-B 0.33 mi ~7 min
Pharmacy H-E-B Pharmacy 0.34 mi ~7 min
Parking 0.43 mi ~9 min
Parking 0.45 mi ~10 min
Parking 0.45 mi ~10 min
Pharmacy Walgreens 0.47 mi ~10 min
Gas station QuikTrip 0.49 mi ~10 min
Convenience QuikTrip 0.50 mi ~10 min
1224 Wilson Road
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 29997 | TX | General Practice Dentistry primary |
This provider holds licence 29997 issued in TX. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What General Practice covers
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs. NUCC Health Care Provider Taxonomy, code 1223G0001X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003229477 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jun 3, 2014 |
| Last updated | Mar 20, 2016 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Male |
| Credential | DDS |
| Practice address |
901 HILLCREST DR Conroe, TX 77301 (936) 756-8115 Fax (936) 756-8159 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 2 | 2 | 9 | 4 | 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 4 | 2 | 9 | 4 | 5 |
Sum = 53 · next multiple of 10 = 60 · check digit = 7 · actual last digit = 7
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.