Dr. David Phelps , DDS
Dentist β’ Groton, CT
341 Grunnion Ave, Branch Dental Clinic
Groton, CT 063495050
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 November 16, 2005; this date does not establish years in practice.
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Published CMS data list 40 Medicare Part D prescriptions, including refills, in 2013.
Source: CMS, Medicare Part D Prescribers β by Provider and Drug, 2013. Published rows only; this is not a quality measure.
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Published Part D records, 2013:
- Carvedilol β 15 prescription fills, including refills.
- Simvastatin β 14 prescription fills, including refills.
- Amlodipine Besylate β 11 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers β by Provider and Drug, 2013. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table Β· Guide: How to read Medicare Part D prescriber data
Practice Location & Contact Primary Location
341 Grunnion Ave
Branch Dental Clinic
Groton, CT 063495050
What Public CMS Data Show
Dentist: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
78 standardized 30-day fills in 2013
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
$422 in 2013
The total cost of these prescriptions in 2013, 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 β by Provider and Drug, 2013.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2005
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; Medicare.gov, βDoes your provider accept Medicare as full payment?β
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.
Compared with the same specialty in Groton and Connecticut
Billing and prescribing volume is not a quality rating.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Dr. Phelps are from 2013.
17 active clinicians are listed under Dentist with a practice address in Groton, CT (863 in Connecticut).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Groton
0% of these 17 clinicians have the CMS telehealth indicator.
0% of these 17 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
CMS data for Part D prescriptions are available for 2013 only.
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30-day fills
CMS data for 30-day fills are available for 2013 only.
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Part D drug cost
CMS data for Part D drug cost are available for 2013 only.
Sources: CMS Medicare Part D Prescribers (2013), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2013.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Carvedilol | Carvedilol | 15 | 630 | $149.34 | β |
| Simvastatin | Simvastatin | 14 | 780 | $129.19 | β |
| Amlodipine Besylate | Amlodipine Besylate | 11 | 930 | $143.53 | β |
Source: CMS Part D by Provider and Drug, 2013; 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.
Anesthesiology
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
Family Nurse Practitioner
Dentist
Doctor of Dental Surgery
Psychiatry & Neurology - Psychiatry
Doctor of Medicine (M.D.)
Dentist - Periodontics
Doctor of Dental Medicine
Career & Practice History
NPI enumerated November 16, 2005.
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 August 2026.
NPI Administrative Meta
Other Dentists in Groton
Mailing Address
Route 12 Bldg 449, Attn Professional Affairs
Groton, CT 063495600
Phone: 8606942377