Physician Profile
Based in New London, CT, David J. Frederiks, MD is listed in the NPI registry under family practice. David graduated from Rutgers New Jersey Medical School in 1995. According to Medicare claims data, David cared for 504 Medicare patients across 538 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, and critical care, first 30-74 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
365 MONTAUK AVE ROOM 4.512
New London, CT 06320
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
538 services · 504 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
293 | More than most peers in FAMILY PRACTICE |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
222 | More than most peers in FAMILY PRACTICE |
| Critical care, first 30-74 minutes | Office visit | 99291 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Frederiks is a family practice in New London, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Frederiks is listed at 365 Montauk Ave Room 4.512, New London, CT 06320. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (860) 442-0711. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Frederiks's National Provider Identifier is 1225048168. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Frederiks attended Rutgers New Jersey Medical School, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
Dr. Frederiks has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Frederiks the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Frederiks. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.