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Edit this profileAt a glance
- 40 Temple St, Suite 7B, New Haven, CT 06510
About Andrew Duffy
Based in New Haven, CT, Andrew Duffy, M. D. is listed in the NPI registry under surgery. Andrew graduated from University of Massachusetts Medical School in 1996. According to Medicare claims data, Andrew cared for 91 Medicare patients across 94 services. The services billed most often include new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and repair of hernia of muscle at esophagus and stomach using an endoscope. NPI 1386686152 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 764-9060
- Email not available
Practice Locations
40 TEMPLE ST SUITE 7B
New Haven, CT 06510
Conditions Commonly Evaluated or Treated
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Breast conditions
Cancer
- Colon cancer
- Esophageal cancer
- Liver cancer
- Neuroendocrine Tumors
- Pancreatic cancer
- Soft-tissue sarcoma
- Stomach cancer
- Thyroid cancer
Colorectal
Digestive
- Abdominal adhesions
- Acid reflux
- Acute pancreatitis
- Bowel obstruction
- Colon polyps
- Diverticulitis
- Gastroparesis
- Peptic ulcer disease
Digestive & blood
Digestive health
- Crohn's disease
- Fecal incontinence
- Perforated bowel
- Severe chronic constipation
- Swallowing difficulties
- Ulcerative colitis
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Procedures & services
Endocrine
Vascular
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
Diagnostic
Digestive
Digestive health
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
Vascular & cancer
Weight loss
Wound care
Procedures Most Often Billed to Medicare
94 services · 91 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Repair of hernia of muscle at esophagus and stomach using an endoscope | Procedure | 43281 |
21 | More often than most peers in Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
50 | More often than most peers in Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
23 | As often as other peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other general surgeons in New Haven 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Massachusetts Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at University of Massachusetts Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Andrew Duffy specialize in?
Andrew Duffy is a general surgeon in New Haven, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where is Andrew Duffy located?
Andrew Duffy is listed at 40 Temple St Suite 7B, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Andrew Duffy's phone number?
The number on file is (203) 764-9060. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Andrew Duffy's NPI number?
Andrew Duffy's National Provider Identifier is 1386686152. 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
Where did Andrew Duffy train?
Andrew Duffy attended University of Massachusetts Medical School, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Andrew Duffy been practicing?
Andrew Duffy has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does Andrew Duffy do most often?
According to Medicare billing data, Andrew Duffy performs procedures including repair of hernia of muscle at esophagus and stomach using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Andrew Duffy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Andrew Duffy. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.