Dr. Andrew Lin, MD

  • Walnut Creek, CA
  • Nephrologist
NPI1558484857PAC ID4789754458
Medicare services, 2019
107
Medicare patients, 2024
20
Part D claims, 2024
525
Hospital affiliations
2
Industry payments
$2,579
Practice address
1425 S Main Street, Walnut Creek, CA 94596
Practice phone
Call (925) 295-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Walnut Creek Medical Center

Hospital · Walnut Creek, California

See all 4 affiliations

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Dr. Andrew Lin is a nephrologist in Walnut Creek, California

Dr. Lin practices at Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente.

Dr. Lin's NPI, 1558484857, was assigned on April 9, 2007. Dr. Lin graduated from Feinberg School of Medicine in 2005. Dr. Lin holds California license A99209.

NPI and contact details
Medicare PAC ID
4789754458
NPI enumeration date
April 9, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(925) 295-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
47
Medical school graduation
2005

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

Dr. Andrew Lin practices at Walnut Creek Medical Center in Walnut Creek, California

Dr. Lin's primary practice is Walnut Creek Medical Center, at 1425 S Main Street, Walnut Creek, CA 94596 in Contra Costa County. The practice phone is (925) 295-4000.

Source: Dmand AI Affiliation Data

Dr. Andrew Lin is affiliated with 3 sites of care and 1 medical group

Dr. Lin's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente. Dr. Lin is also affiliated with Antioch Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Lin to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Lin

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

Dmand AI tracks the EHR system at Dr. Andrew Lin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lin practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Walnut Creek Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Andrew Lin is one of 1,401 nephrologists in California

Nephrology is Dr. Lin's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Lin is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lin is licensed in California.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A99209 · 2007 to 2027 · taxonomy 207RN0300X

Nephrologists near Dr. Lin

Counts of nephrologists 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

Dr. Andrew Lin billed Medicare for 107 services in 2019

CMS data shows 107 Medicare services from Dr. Lin across 2 procedure codes in 2019, for 20 Medicare patients. Medicare paid $12,644 for them.

Medicare services, 2019107
Medicare patients20
Paid by Medicare$12,644
Procedure codes2

Dr. Lin's Medicare services by type, 2018 to 2019

  • 2018
  • 2019
Tests and treatments
2018: 812019: 7014%
Office and hospital visits
2018: 322019: 3716%

Where Dr. Lin's Medicare services took place, 2019

  • In an office7065%
  • In a facility3735%

Dr. Lin compared with the California median for nephrologists, 2019

  • Dr. Lin
  • California median
Medicare services
107vs 1,08490% below
Medicare patients
20vs 30793% below
Part D claims
361vs 95562% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Lin's most billed Medicare procedure codes, 2019

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 Dr. Lin

Need commercial claims for Dr. Lin?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lin and other nephrologists in California.

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

Dr. Andrew Lin treated 20 Medicare patients in 2024, average age 57

CMS counts 20 Medicare patients who saw Dr. Lin in 2024. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 7.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Lin's median patient age at 66, with 56% women.

Medicare patients, 202420
Average age57
Average risk score7.98

Chronic conditions among Dr. Lin's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. Diabetes65%
  4. Heart failure65%
  5. High cholesterol65%
  6. Depression60%
  7. Mood disorders60%

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

Dr. 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 66

Patient panel by sex, all payers

  • Women56%
  • Men44%

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

Dr. Andrew Lin wrote 525 Medicare Part D claims in 2024

In 2024, Dr. Lin wrote 525 Medicare Part D claims for 130 patients. 81% of them were for generic drugs. CMS names the drug for 361 of them, across 13 drugs with 11 or more claims each, at $84,771 in total drug cost. In 2023, CMS named 426 claims across 14 drugs.

Part D claims, 2024525
Drugs named by CMS13
Total drug cost$84,771
Part D patients130

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

  • Generic426 claims81%
  • Brand-name88 claims17%
  • Other11 claims2%

Dr. 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 Dr. Lin's Part D claims, 2024

  • Opioids4%22 of 525 claims
  • Antibiotics4%19 of 525 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: 4262024: 36115%

Drugs named by CMS: 13 in 2024, 14 in 2023.

See all prescribing by Dr. 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

How Dr. Andrew Lin takes part in Medicare

Dr. Lin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Andrew Lin received $2,579 in industry payments from 2016 to 2025

CMS Open Payments shows 18 general payments to Dr. Lin from 6 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 38% of the total. Abbott Laboratories paid the most, $1,642.

General payments to Dr. Lin by program year, 2016 to 2025

General payments to Dr. Lin by kind, 2016 to 2025

$2.6Kin total
  • Travel and lodging$98238%
  • Food and beverage$89735%
  • Speaker and faculty fees$70027%

Companies that paid Dr. Lin the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lin

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

Dr. Andrew Lin graduated from Feinberg School of Medicine

Dr. Lin graduated from Feinberg School of Medicine in 2005.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Andrew Lin accepts plans from 3 insurance carriers

Dr. Lin is in network with 3 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Lin accepts, by number of carriers

  1. HMO2
  2. POS2
  3. EPO1
  4. Medicare1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Andrew 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)
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 Dr. Andrew 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 Dr. Andrew Lin's NPI number?

Dr. Andrew Lin's NPI number is 1558484857. It was assigned on April 9, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Andrew Lin?

Dr. Andrew Lin is a nephrologist in Walnut Creek, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Andrew Lin practice?

Dr. Lin practices at 1425 S Main Street, Walnut Creek, CA 94596. Dr. Lin's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente. Dmand AI also links Dr. Lin to 1 group practice or clinic.

What is Dr. Andrew Lin's office phone number?

The practice phone on file for Dr. Lin is (925) 295-4000.

What is Dr. Andrew Lin's medical license number?

Dr. Lin holds California license A99209.

Which hospitals is Dr. Andrew Lin affiliated with?

Dr. Lin practices at Walnut Creek Medical Center in Walnut Creek, California. Dr. Lin is also affiliated with Antioch Medical Center.

What medical group is Dr. Andrew Lin part of?

Dr. Lin is linked to The Permanente Medical Group, Inc.

Does Dr. Andrew Lin accept Medicare?

Yes. CMS data shows Dr. Lin billed Medicare for 107 services in 2019, and Dr. Lin accepts Medicare assignment.

How many Medicare patients does Dr. Andrew Lin see?

CMS counts 20 Medicare patients who saw Dr. Lin in 2024, with an average age of 57.

Is Dr. Andrew Lin board certified?

Yes. Dr. Lin is board certified in internal medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Andrew Lin bill to Medicare?

In 2019, Dr. Lin's most billed Medicare services were dialysis (90962) and hospital inpatient care (99231).

Where did Dr. Andrew Lin go to medical school?

Dr. Lin graduated from Feinberg School of Medicine in 2005.

What drugs does Dr. Andrew Lin prescribe most?

In 2024 Medicare Part D data, Dr. Lin's most prescribed drugs by claims were Jardiance, Furosemide and Lisinopril.

Has Dr. Andrew Lin received payments from drug or device companies?

CMS Open Payments shows $2,579 in general payments to Dr. Lin from 6 companies from 2016 to 2025. The largest total came from Abbott Laboratories.

How long has Dr. Andrew Lin been practicing?

Dr. Lin graduated from medical school in 2005, 21 years ago.

What insurance does Dr. Andrew Lin accept?

Dr. Lin is in network with 3 carriers, including Blue Cross Blue Shield of Michigan, Kaiser Permanente and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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