Doctor profile · Federal record
Dr. Joan Howanitz, DDS, MS
Dentist · Periodontist · Periodontist · Dentist · Rockville, MD
- NPI 1912046293
- 19 yrs on file
- Licensed in 4 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
11921 Rockville Pike, Suite 407
Rockville, MD 20852
(240) 483-0775
fax (240) 238-8626
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- February 28, 2017
- Specialty taxonomy
- 122300000X — NUCC code
- State licenses (4)
- Maryland #14578 · New York #050452-1 · California #55596 · Virginia #0401414570
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912046293. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$14
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Philips North America LLC | 1 | $14.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
31
Patients
24
Total drug cost
$170
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin | Generic | 19 | 13 | $102 |
| Chlorhexidine Gluconate | Generic | 12 | 11 | $68 |
Frequently asked questions
What is Dr. Joan Howanitz's medical specialty?
Dr. Joan Howanitz practices Dentist in Rockville, MD.
Where does Dr. Joan Howanitz practice?
Dr. Joan Howanitz practices at 11921 Rockville Pike, Rockville, MD 20852. Office phone: 2404830775.
What is Dr. Joan Howanitz's NPI?
Dr. Joan Howanitz's National Provider Identifier (NPI) is 1912046293, issued by NPPES.