Dr. Mimi Lin, M.D.
What this data tells you about Dr. Lin
Dr. Mimi Lin is a gastroenterology specialist in San Francisco, CA, with 18 years of NPI registration. Based on federal Medicare data, Dr. Lin performed 739 Medicare services across 680 unique beneficiaries.
Between the years covered by Open Payments, Dr. Lin received a total of $65,745 from 35 pharmaceutical and/or device companies across 212 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in gastroenterology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Lin is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Upper GI endoscopy with biopsy A procedure to collect tissue samples from the esophagus, stomach, or upper small intestine using a flexible tube with a camera. The samples are examined to check for abnormalities. |
96 | $87 | $1,882 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
80 | $149 | $489 |
| Colonoscopy with biopsy A procedure to collect tissue samples from the large intestine using a flexible tube with a camera. The samples are examined to check for abnormalities or disease. |
61 | $112 | $2,543 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
54 | $98 | $364 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
53 | $71 | $252 |
| Esophageal motility study A test that evaluates the movement and function of the esophagus. |
49 | $58 | $373 |
| Esophageal function monitoring via nasal tube This procedure involves monitoring and recording esophageal function using a tube inserted through the nose that contains electrodes. |
48 | $44 | $255 |
| Rectal and anal tone and sensation test A physical examination to assess muscle tone and sensory function in the rectum and anus. |
37 | $44 | $232 |
| Rectal sensitivity and function study A test to evaluate the sensitivity and functional performance of the rectum. |
37 | $80 | $507 |
| Colon polyp removal with endoscopic snare This procedure removes polyps or growths from the large bowel using a flexible tube with a camera and a wire loop tool. The snare is used to cut off the growths during the examination. |
34 | $224 | $2,868 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
34 | $156 | $704 |
| New patient office visit, complex (60-74 min) | 30 | $193 | $697 |
| Endoscopic injection of esophagus, stomach, or upper small bowel A procedure where a flexible endoscope is used to deliver an injection into the esophagus, stomach, or upper small intestine. |
28 | $35 | $2,031 |
| Esophageal sensation study by balloon distension This procedure evaluates how the esophagus senses pressure or stretching by inflating a small balloon within the esophagus. |
22 | $44 | $247 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
19 | $148 | $554 |
| Endoscopic ultrasound of lower large bowel An ultrasound examination of the lower large intestine performed using a flexible endoscope to visualize internal structures. |
17 | $109 | $786 |
| Stomach outlet dilation via endoscopy A flexible tube with a camera is used to widen the opening at the bottom of the stomach. This procedure helps relieve blockages or narrowing in the stomach outlet. |
16 | $150 | $1,089 |
| Esophageal function monitoring via capsule This procedure involves monitoring and recording the function of the esophagus using a small capsule attached to the esophageal wall. |
12 | $69 | $327 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
12 | $108 | $365 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
The majority of payments (94%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in gastroenterology and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 6% for gastroenterology in CA.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Lin is a clinical cardiology specialist, with moderate Medicare volume, with speaking/promotional industry engagement in the top 6% of CA peers, with 18 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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