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Edit this profileDavid S. Shields, MD is a healthcare provider in Stanford, CA specializing in gastroenterology. David trained at University of California, San Francisco School of Medicine, graduating in 1978. David is also listed as specializing in internal medicine. According to Medicare claims data, the services billed most often include removal of polyps or growths of large bowel using an endoscope with mechanical snare. This provider record is associated with NPI 1578671608.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
300 PASTEUR DR
Stanford, CA 94305
770 Welch Rd STE 250
Palo Alto, CA 94304
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.
Most searched conditions
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
11 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
11 | Less often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Shields is a gastroenterologist in Stanford, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Dr. Shields is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 723-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Shields's National Provider Identifier is 1578671608. 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. Shields attended University of California, San Francisco School of Medicine, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
Dr. Shields has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Shields performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare. 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. Shields. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.