Physician Profile
Michael S Kelfer, MD
Unclaimed ProfileAbout Dr. Kelfer
Based in Auburn, MA, Michael S Kelfer, MD is listed in the NPI registry under gastroenterology. According to Medicare claims data, Michael cared for 503 Medicare patients across 509 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (508) 425-5446
- Email not available
Practice Locations
385 SOUTHBRIDGE ST
Auburn, MA 01501
Conditions Commonly Evaluated or Treated
Within Gastroenterology 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
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
509 services · 503 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
72 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
44 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
43 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
34 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
30 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
119 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
118 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
49 |
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.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
More connections — 8 related providers in 1 group
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in MA who bill this service to Medicare most often.
Common questions
What is Dr. Kelfer's specialty?
Dr. Kelfer is a gastroenterologist in Auburn, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Gastroenterology”.
NPI registry
Where can I find Dr. Kelfer?
Dr. Kelfer is listed at 385 SOUTHBRIDGE ST, Auburn, MA 01501. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Kelfer?
The number on file is (508) 425-5446. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Kelfer's NPI number?
Dr. Kelfer's National Provider Identifier is 1306810296. 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
How long has Dr. Kelfer been practicing?
Dr. Kelfer has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Kelfer known for?
According to Medicare billing data, Dr. Kelfer performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Kelfer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kelfer. 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.