Dr. Bogdan V. Simionescu , DMD
Dentist • Danbury, CT
105 Newtown Rd, Suite 4
Danbury, CT 068104194
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on August 2, 2010; this date does not establish years in practice.
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Published CMS data list 135 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) — 50 prescription fills, including refills.
- Chlorhexidine Gluconate — 43 prescription fills, including refills.
- Amoxicillin — 17 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 5 records in the table · Guide: How to read Medicare Part D prescriber data
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More Part D prescriptions than 95% of clinicians listed under Dentist in Danbury, CT (2024, 13 clinicians with data). Median for this group: 21. Middle half: 19 to 65.
More Part D prescriptions than 90% of clinicians listed under Dentist in Connecticut (2024, 406 clinicians with data). Median for this group: 47. Middle half: 23 to 86.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part D prescriptions went from 120 in 2020 to 135 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2020–2024.
Practice Location & Contact Primary Location
105 Newtown Rd
Suite 4
Danbury, CT 068104194
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Dentist: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
135 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$649 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
NPI first issued
2010
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.
Compared with the same specialty in Danbury and Connecticut
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
More Part D prescriptions than 95% of clinicians listed under Dentist in Danbury, CT (2024, 13 clinicians with data). Median for this group: 21. Middle half: 19 to 65.
More Part D prescriptions than 90% of clinicians listed under Dentist in Connecticut (2024, 406 clinicians with data). Median for this group: 47. Middle half: 23 to 86.
Part D drug cost
A higher Part D drug cost than 90% of clinicians listed under Dentist in Danbury, CT (2024, 13 clinicians with data). Median for this group: $116. Middle half: $57 to $365.
A higher Part D drug cost than 90% of clinicians listed under Dentist in Connecticut (2024, 406 clinicians with data). Median for this group: $148. Middle half: $71 to $292.
37 active clinicians are listed under Dentist with a practice address in Danbury, CT (864 in Connecticut).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Danbury
0% of these 37 clinicians have the CMS telehealth indicator.
0% of these 37 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 13% from 120 in 2020 to 135 in 2024.
- 2020: 120
- 2021: 102
- 2022: 89
- 2023: 89
- 2024: 135
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30-day fills
30-day fills increased 13% from 120 in 2020 to 135 in 2024.
- 2020: 120
- 2021: 102
- 2022: 89
- 2023: 89
- 2024: 135
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Part D drug cost
Part D drug cost decreased 45% from $1,179 in 2020 to $649 in 2024.
- 2020: $1,179
- 2021: $600
- 2022: $505
- 2023: $695
- 2024: $649
Sources: CMS Medicare Part D Prescribers (2024), CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 50 | 490 | $408.85 | 41 |
| Chlorhexidine Gluconate | Chlorhexidine Gluconate | 43 | 708 | $134.70 | 33 |
| Amoxicillin | Amoxicillin | 17 | 108 | $47.20 | 12 |
| Acetaminophen-Codeine | Acetaminophen With Codeine | 14 | 31 | $39.54 | 12 |
| Azithromycin | Azithromycin | 11 | 55 | $19.17 | — |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 122300000X
A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Practitioner - Family
Advanced Practice Registered Nurse
Physician Assistant
Physician Assistant (Certified)
Physical Therapist
Registered Physical Therapist
Physical Medicine & Rehabilitation
Doctor of Medicine (M.D.)
Career & Practice History
NPI enumerated August 02, 2010.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to November 2026.
NPI Administrative Meta
Other Dentists in Danbury
- Dr. Joanne Paiva-Borduas, DDS
- Dr. Ronald Warmflash, DDS
- Dr. Nami Song, DDS
- Dr. Jonathan Gorman, DDS
- Dr. Yung-Hua Lee, DDS
- Dr. Elizabeth Mueller, DMD
Mailing Address
105a Newtown Road, Suite 4
Danbury, CT 06810
Phone: 2037447377