John Gierlach, BDS
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 2705 Mountain Rd, Pasadena, MD 21122-2003
- Practice phone
- Call (410) 255-1050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Howard A. Katz, D.D.S. & Associates
Dental practice · Pasadena, Maryland
Find John Gierlach's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
John Gierlach is a dentist in Pasadena, Maryland
John Gierlach practices at Howard A. Katz, D.D.S. & Associates in Pasadena, Maryland.
John Gierlach's NPI, 1215333851, was assigned on November 10, 2014. John Gierlach holds Maryland license 7966.
- NPI
- 1215333851NPI Registry (opens in a new tab)
- NPI enumeration date
- November 10, 2014
- NPI status
- Active
- Practice phone
- (410) 255-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Gierlach practices at Howard A. Katz, D.D.S. & Associates in Pasadena, Maryland
John Gierlach's primary practice is Howard A. Katz, D.D.S. & Associates, at 2705 Mountain Rd, Pasadena, MD 21122-2003. The practice phone is (410) 255-1050.
- Howard A. Katz, D.D.S. & Associates2705 Mountain Rd, Pasadena, MD 21122-2003Phone(410) 255-1050
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Gierlach is affiliated with 1 site of care and 1 medical group
John Gierlach's primary practice is Howard A. Katz, D.D.S. & Associates in Pasadena, Maryland. Dmand AI also links John Gierlach to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John Gierlach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Gierlach practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Howard A. Katz, D.D.S. & Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Gierlach is one of 755 dentists in Maryland
Dentist is John Gierlach's primary specialty in the NPI Registry, under taxonomy code 122300000X. John Gierlach is licensed in Maryland.
Specialties and state licenses
- Dentist, MarylandPrimary
Dentists near John Gierlach
Counts of dentists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Sources for John Gierlach's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John Gierlach
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Gierlach's NPI number?
John Gierlach's NPI number is 1215333851. It was assigned on November 10, 2014, and it is active in the NPI Registry.
What does John Gierlach specialize in?
John Gierlach is a dentist in Pasadena, Maryland. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does John Gierlach practice?
John Gierlach practices at 2705 Mountain Rd, Pasadena, MD 21122-2003. John Gierlach's primary practice is Howard A. Katz, D.D.S. & Associates in Pasadena, Maryland. Dmand AI also links John Gierlach to 1 medical group.
What is John Gierlach's office phone number?
The practice phone on file for John Gierlach is (410) 255-1050.
What is John Gierlach's medical license number?
John Gierlach holds Maryland license 7966.
How long has John Gierlach been practicing?
John Gierlach's NPI was assigned in 2014.
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