Are you David W. Lin, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 21 Village Square, Chelmsford, MA 01824
About Dr. Lin
Based in Chelmsford, MA, David W. Lin, M.D. is listed in the NPI registry under colorectal surgery (proctology). David graduated from Tufts University School of Medicine in 2006. David is also listed as specializing in colon & rectal surgery. According to Medicare claims data, David cared for 73 Medicare patients across 88 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1427262906 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
- (978) 995-3292
- Email not available
Practice Locations
21 VILLAGE SQUARE
Chelmsford, MA 01824
Conditions Commonly Evaluated or Treated
Within Colon and Rectal Surgery 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
- Anal fissures
- Colon cancer
- Crohn's disease
- Diverticulitis
- Hemorrhoids
Anorectal conditions
- Anal fistula
- Rectal Ulcer
Anorectal disorders
- Anal Itching
- Anal Skin Tags
- Anal Stricture
- Perianal Hematoma
- Rectovaginal Fistula
Bowel disorders
- Bowel Blockage in Babies
- Chronic diarrhea
- Constipation From Pain Medicine
- Difficulty Emptying Bowels
- Severely Enlarged Colon
- Twisted Bowel
Bowel symptoms
- Constipation
- Diverticulosis
- Lower gastrointestinal bleeding
Cancer
- Anal cancer
- Appendix cancer
- Inherited Cancer Risk
- Precancerous Anal Cells
Colon conditions
- Inherited Colon Polyps
Digestive emergencies
- Bowel obstruction
- Perforated gastrointestinal tract
Infections
- C. diff Infection
Infections & cysts
- Genital warts
- Perianal abscess
- Pilonidal cyst
Inflammatory bowel disease
- Radiation Proctitis
- Ulcerative colitis
Inflammatory conditions
- Rectal Inflammation
Ostomy & surgical complications
- Stoma Problems
Pain
- Rectal Pain
- Tailbone pain
Pelvic disorders
- Bowel Endometriosis
Pelvic floor & structure
- Fecal incontinence
- Pelvic floor dysfunction
- Pelvic organ prolapse
- Rectal prolapse
Skin conditions
- Perianal Boils
Tumors & growths
Vascular & inflammatory
- Mesenteric ischemia
Procedures & services
Most searched procedures
- Bowel resection
- Colonoscopy
- Fistula repair
- Hemorrhoid removal
Abdominal surgery
- Appendectomy
- Bowel Adhesion Removal
Anorectal procedures
- Anal Dilation
Bowel management
- Transanal Irrigation
Cancer screening
- Cancer Genetic Testing
Cancer surgery
- Complete Rectum and Anus Removal
- Heated Chemotherapy for Abdominal Cancer
- Low Anterior Resection
Diagnostic tests
- Endorectal Ultrasound
- J-Pouch Scope
- Rectal Exam with Scope
Diagnostics
- Defecography
- High-Resolution Anorectal Manometry
- High-Resolution Anoscopy
- Prostate Ultrasound
Digestive health
- Stool Transplant
Endoscopy & minimally invasive
- Colon polyp removal
- Flexible sigmoidoscopy
- Transanal Minimally Invasive Surgery
Excision & drainage
- Anal Skin Tag Removal
- Anal Wart Removal
- Drainage of anal abscess
- Pilonidal cyst surgery
Fistula procedures
- Seton Drain Placement
Hemorrhoid treatments
- Hemorrhoid Injections
- Laser Hemorrhoid Treatment
- Rubber-band ligation of hemorrhoids
Inflammatory bowel surgery
- Bowel-Sparing Surgery for Crohn's
Injections & pain relief
- Anal Sphincter Botox
Minimally invasive surgery
- Robotic Colon Surgery
Ostomy surgery
- Colostomy Placement
- Ileostomy Surgery
- Parastomal Hernia Repair
- Stoma Revision
Pelvic floor & prolapse
- Pelvic organ prolapse surgery
- Rectal prolapse repair
- Sacral neuromodulation
Pelvic therapy
- Pelvic Biofeedback Therapy
Reconstructive surgery
- Anal Sphincter Repair
- J-Pouch Surgery
- Ostomy reversal
- Rectovaginal Fistula Repair
Therapy & rehabilitation
Procedures Most Often Billed to Medicare
88 services · 73 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
48 | More often than most peers in Colorectal Surgery (Proctology) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
23 | As often as other peers in Colorectal Surgery (Proctology) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
17 | Less often than most peers in Colorectal Surgery (Proctology) |
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.
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.
Trained at Tufts University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Tufts University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is David W. Lin's specialty?
David W. Lin is a colorectal surgery (proctology) in Chelmsford, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find David W. Lin?
David W. Lin is listed at 21 Village Square, Chelmsford, MA 01824. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David W. Lin?
The number on file is (978) 995-3292. Contact the office directly to confirm availability and scheduling.
NPI registry
What is David W. Lin's NPI number?
David W. Lin's National Provider Identifier is 1427262906. 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
What is David W. Lin's education?
David W. Lin attended Tufts University School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has David W. Lin been practicing?
David W. Lin has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is David W. Lin known for?
According to Medicare billing data, David W. Lin 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
Has David W. Lin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by David W. Lin. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.