James Lin, M.D.
NPI 1396864872 · Gastroenterology Physician · Pleasanton, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Lin, M.D. is a Gastroenterology Physician provider in Pleasanton, CA (NPI 1396864872).
Provider details
- NPI number
- 1396864872
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A102814 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,178 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 292 | $152 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 155 | $197 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 144 | $91 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 115 | $143 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 101 | $214 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 576 | 257 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 238 | 234 |
| Colesevelam Hcl | 99 | 41 |
| Linaclotidebrand: Linzess | 96 | 45 |
| Sucralfate | 78 | 36 |
| Omeprazole | 69 | 34 |
| Dicyclomine Hcl | 56 | 27 |
Practice location
Mailing address
Additional practice locations (1)
- 5575 W Las Positas Blvd Ste 130Pleasanton, CA 94588-5800Phone: (925) 463-0590
Registry dates
- Enumerated
- 2007-03-28
- Last updated
- 2024-04-12
- Certified
- 2024-04-12
Frequently asked questions
- What is James Lin's NPI number?
- James Lin's National Provider Identifier (NPI) is 1396864872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Lin's specialty?
- James Lin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is James Lin located?
- James Lin's practice location on file with NPPES is 5565 W Las Positas Blvd Ste 200, Pleasanton, CA 94588-5806.
- What is James Lin's phone number?
- The practice phone number listed in the NPPES registry for James Lin is (650) 736-5555.
- Does James Lin accept Medicare?
- James Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Lin's NPI active?
- Yes — James Lin's NPI (1396864872) is active in the NPPES registry as of the last update on 2024-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.