Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Joan Ann Howanitz, DDS, MS

Individual provider Dentist · NPI 1912046293

Dr. Joan Ann Howanitz, DDS, MS is a Dentist in Rockville, Maryland. Practices as a sole proprietor. Licensed in California, Maryland, New York and Virginia.

Licensed in
CA, MD, NY, VA
In the registry since
2007
Specialties on file
4
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

11921 Rockville Pike Ste 407
Rockville, MD 20852
Phone: (240) 483-0775
Fax: (240) 238-8626
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 14578 (MD)
Periodontics Taxonomy 1223P0300X · Licence 050452-1 (NY)
Periodontics Taxonomy 1223P0300X · Licence 55596 (CA)
Dentist Taxonomy 122300000X · Licence 0401414570 (VA)

Record details

NPI number1912046293
Entity typeIndividual (Type 1)
GenderFemale
Credentials DDS , MS
Sole proprietorYes
NPI enumeratedFebruary 5, 2007
Last updated in NPPESFebruary 28, 2017

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