Kirk K. Lin

  • Pleasanton, CA
  • Gastroenterologist
NPI1609102615PAC ID3072739549
Medicare services, 2024
402
Medicare patients, 2024
261
Part D claims, 2024
699
Publications
7
Hospital affiliations
2
Practice address
4626 Willow Road, Suite 100, Pleasanton, CA 94588
Practice phone
Call (925) 227-1315
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hacienda Surgery Center

Surgery Center - Medicare-Certified · Pleasanton, California

See all 5 affiliations

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Kirk K. Lin is a gastroenterologist in Pleasanton, California

Kirk Lin practices at Hacienda Surgery Center in Pleasanton, California.

Kirk Lin's NPI, 1609102615, was assigned on October 26, 2009. Kirk Lin graduated from UCSF School of Medicine in 2008. Kirk Lin holds California license A110655.

NPI and contact details
Medicare PAC ID
3072739549
NPI enumeration date
October 26, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(925) 227-1315
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Kirk K. Lin practices at Hacienda Surgery Center in Pleasanton, California

Kirk Lin's primary practice is Hacienda Surgery Center, at 4626 Willow Road, Suite 100, Pleasanton, CA 94588. The practice phone is (925) 227-1315.

  • Hacienda Surgery Center
    4626 Willow Road, Suite 100, Pleasanton, CA 94588Phone(925) 227-1315

Source: Dmand AI Affiliation Data

Kirk K. Lin is affiliated with 4 sites of care and 1 medical group

Kirk Lin's primary practice is Hacienda Surgery Center in Pleasanton, California. Kirk Lin is also affiliated with Sutter Eden Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Kirk Lin to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Kirk Lin

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Kirk K. Lin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Kirk Lin practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hacienda Surgery CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Kirk K. Lin is one of 1,977 gastroenterologists in California

Gastroenterology is Kirk Lin's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Kirk Lin is board certified in gastroenterology by the American Board of Internal Medicine. Kirk Lin is licensed in California.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A110655 · 2010 to 2027 · taxonomy 207RG0100X

Clinical focus

Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, gastroduodenitis, gastroenteritis, gastrointestinal bleeding and hepatitis c among the conditions Kirk Lin treats.

Gastroenterologists near Kirk Lin

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Kirk K. Lin billed Medicare for 402 services in 2024

CMS data shows 402 Medicare services from Kirk Lin across 8 procedure codes in 2024, for 261 Medicare patients. Medicare paid $59,218 for them.

Medicare services, 2024402
Medicare patients261
Paid by Medicare$59,218
Procedure codes8

Kirk Lin's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 2062024: 2133%
Office and hospital visits
2023: 1352024: 135No change
Other services
2023: 412024: 5432%

Where Kirk Lin's Medicare services took place, 2024

  • In an office13534%
  • In a facility26766%

Kirk Lin compared with the California median for gastroenterologists, 2024

  • Kirk Lin
  • California median
Medicare services
402vs 58631% below
Medicare patients
261vs 30214% below
Part D claims
586vs 38054% above

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Kirk Lin's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Kirk Lin

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Kirk K. Lin treated 261 Medicare patients in 2024, average age 73

CMS counts 261 Medicare patients who saw Kirk Lin in 2024. The largest group is 65 to 74, with 146 patients. 73% of them have high cholesterol, and 65% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Kirk Lin's median patient age at 54, with 48% women.

Medicare patients, 2024261
Average age73
Average risk score1.03
Also on Medicaid15%

Kirk Lin's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Kirk Lin's Medicare patients by sex, 2024

  • Women12648%
  • Men13552%

Chronic conditions among Kirk Lin's Medicare patients, 2024

  1. High cholesterol73%
  2. High blood pressure65%
  3. Arthritis36%
  4. Diabetes28%
  5. Ischemic heart disease23%
  6. Osteoporosis21%
  7. Chronic kidney disease20%
  8. Atrial fibrillation13%

Share of Medicare patients with each condition. A patient can have several.

Kirk Lin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women48%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Kirk K. Lin wrote 699 Medicare Part D claims in 2024

In 2024, Kirk Lin wrote 699 Medicare Part D claims for 269 patients. 80% of them were for generic drugs. CMS names the drug for 586 of them, across 12 drugs with 11 or more claims each, at $146,102 in total drug cost. In 2023, CMS named 552 claims across 13 drugs.

Part D claims, 2024699
Drugs named by CMS12
Total drug cost$146,102
Part D patients269

Kirk Lin's Part D claims by kind of drug, 2024

  • Generic558 claims80%
  • Brand-name141 claims20%

Kirk Lin's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Kirk Lin's Part D claims, 2024

  • Antibiotics2%11 of 699 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5522024: 5866%

Drugs named by CMS: 12 in 2024, 13 in 2023.

See all prescribing by Kirk Lin

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Kirk K. Lin ranks in the 52nd percentile for colonoscopy in Medicare

Kirk Lin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Kirk Lin as offering telehealth. CMS counts 27 procedures of colonoscopy by Kirk Lin, more than 52% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Kirk Lin ranks in Medicare procedure volume

Colonoscopy
52nd percentile27 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
51st percentile22 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Kirk K. Lin has 7 publications on record

Dmand AI links 7 papers to Kirk Lin, published from 2011 to 2014. 2011 was the busiest year, with 2. The most frequent topics are Tumor Necrosis Factor-alpha, Antibodies, Monoclonal and Inflammatory Bowel Diseases. Kirk Lin's most frequent co-authors are Uma Mahadevan, MD, Jonathan P. Terdiman, MD and Bret A. Lashner, MD.

Papers7
Years published2011 to 2014

Kirk Lin's papers by year, 2011 to 2014

Topics Kirk Lin writes about most

  • Tumor Necrosis Factor-alpha
  • Antibodies, Monoclonal
  • Inflammatory Bowel Diseases
  • Infliximab

Kirk Lin's most frequent co-authors

Recent publications by Kirk Lin

See all 7 publications and co-authors

See who Kirk Lin researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Kirk Lin works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Kirk K. Lin received $1,332 in industry payments from 2016 to 2025

CMS Open Payments shows 59 general payments to Kirk Lin from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $436.

General payments to Kirk Lin by program year, 2016 to 2025

General payments to Kirk Lin by kind, 2016 to 2025

$1.3Kin total
  • Food and beverage$1,325100%
  • Education$70%

Companies that paid Kirk Lin the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Kirk Lin

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Kirk K. Lin graduated from UCSF School of Medicine

Kirk Lin graduated from UCSF School of Medicine in 2008.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Kirk K. Lin accepts plans from 11 insurance carriers

Kirk Lin is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +3 more carriersWith a free account

Plan types Kirk Lin accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. EPO4
  4. Medicare3
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Kirk K. Lin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Kirk K. Lin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Kirk K. Lin's NPI number?

Kirk K. Lin's NPI number is 1609102615. It was assigned on October 26, 2009, and it is active in the NPI Registry.

What does Kirk K. Lin specialize in?

Kirk K. Lin is a gastroenterologist in Pleasanton, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Kirk K. Lin practice?

Kirk Lin practices at 4626 Willow Road, Suite 100, Pleasanton, CA 94588. Kirk Lin's primary practice is Hacienda Surgery Center in Pleasanton, California. Dmand AI also links Kirk Lin to 1 hospital and 1 group practice or clinic.

What is Kirk K. Lin's office phone number?

The practice phone on file for Kirk Lin is (925) 227-1315.

What is Kirk K. Lin's medical license number?

Kirk Lin holds California license A110655.

Which hospitals is Kirk K. Lin affiliated with?

Kirk Lin is affiliated with Sutter Eden Medical Center. Dmand AI links Kirk Lin to 1 more hospital.

What medical group is Kirk K. Lin part of?

Kirk Lin is linked to Palo Alto Foundation Medical Group.

Does Kirk K. Lin accept Medicare?

Yes. CMS data shows Kirk Lin billed Medicare for 402 services in 2024, and Kirk Lin accepts Medicare assignment.

Does Kirk K. Lin offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Kirk Lin as offering telehealth services.

How many Medicare patients does Kirk K. Lin see?

CMS counts 261 Medicare patients who saw Kirk Lin in 2024, with an average age of 73.

Show 9 more questionsShow fewer questions

Is Kirk K. Lin board certified?

Yes. Kirk Lin is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Kirk K. Lin bill to Medicare?

In 2024, Kirk Lin's most billed Medicare services were surgery: digestive system (45385), office visit, established patient (99215) and surgery: digestive system (45380).

Where did Kirk K. Lin go to medical school?

Kirk Lin graduated from UCSF School of Medicine in 2008.

What drugs does Kirk K. Lin prescribe most?

In 2024 Medicare Part D data, Kirk Lin's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Omeprazole and Pantoprazole Sodium.

Has Kirk K. Lin received payments from drug or device companies?

CMS Open Payments shows $1,332 in general payments to Kirk Lin from 12 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Kirk K. Lin been practicing?

Kirk Lin graduated from medical school in 2008, 18 years ago.

Does Kirk K. Lin do research?

Dmand AI links 7 publications to Kirk Lin, published from 2011 to 2014.

Who does Kirk K. Lin publish with?

Kirk Lin's most frequent co-authors are Uma Mahadevan, MD (2 shared papers), Jonathan P. Terdiman, MD (2 shared papers) and Bret A. Lashner, MD (1 shared paper).

What insurance does Kirk K. Lin accept?

Kirk Lin is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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