Dr. Cindy J. Lai, MD

  • San Francisco, CA
  • Internist
NPI1821055922PAC ID5698859049
Medicare services, 2024
531
Medicare patients, 2024
153
Part D claims, 2024
873
Publications
56
MIPS score, 2024
100
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 7 affiliations

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Dr. Cindy J. Lai is an internist in San Francisco, California

Dr. Lai practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Lai's NPI, 1821055922, was assigned on May 1, 2006. Dr. Lai graduated from Keck School of Medicine of USC in 1999. Dr. Lai holds California license A78730.

NPI and contact details
Medicare PAC ID
5698859049
NPI enumeration date
May 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
53
Medical school graduation
1999

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

Dr. Cindy J. Lai practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Lai's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Dr. Cindy J. Lai is affiliated with 4 sites of care and 3 medical groups

Dr. Lai's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Lai to 3 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Lai

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

Dmand AI tracks the EHR system at Dr. Cindy J. Lai's practice

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

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Cindy J. Lai is one of 16,751 internists in California

Internal medicine is Dr. Lai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lai is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lai is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A78730 · 2002 to 2027 · taxonomy 207R00000X

Clinical focus

Dmand AI lists anemia, sepsis and urinary tract infection among the conditions Dr. Lai treats.

Internists near Dr. Lai

Counts of internists 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. Cindy J. Lai billed Medicare for 531 services in 2024

CMS data shows 531 Medicare services from Dr. Lai across 5 procedure codes in 2024, for 153 Medicare patients. Medicare paid $32,165 for them.

Medicare services, 2024531
Medicare patients153
Paid by Medicare$32,165
Procedure codes5

Dr. Lai's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3012024: 3217%
Other services
2023: 02024: 210

Where Dr. Lai's Medicare services took place, 2024

  • In an office46387%
  • In a facility6813%

Dr. Lai compared with the California median for internists, 2024

  • Dr. Lai
  • California median
Medicare services
531vs 36147% above
Medicare patients
153vs 151Close to median
Part D claims
505vs 42120% above

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Lai'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 Dr. Lai

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

Dr. Cindy J. Lai treated 153 Medicare patients in 2024, average age 73

CMS counts 153 Medicare patients who saw Dr. Lai in 2024. The largest group is 65 to 74, with 65 patients. 72% of them have high blood pressure, and 71% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.71, 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. Lai's median patient age at 63, with 62% women.

Medicare patients, 2024153
Average age73
Average risk score1.71
Also on Medicaid37%

Dr. Lai's Medicare patients by age, 2024

Dr. Lai's Medicare patients by sex, 2024

  • Women8858%
  • Men6542%

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

  1. High blood pressure72%
  2. High cholesterol71%
  3. Arthritis38%
  4. Chronic kidney disease30%
  5. Mood disorders29%
  6. Anxiety27%
  7. Diabetes27%
  8. Depression25%

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

Dr. Lai's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women62%
  • Men37%

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

Dr. Cindy J. Lai wrote 873 Medicare Part D claims in 2024

In 2024, Dr. Lai wrote 873 Medicare Part D claims for 138 patients. 85% of them were for generic drugs. CMS names the drug for 505 of them, across 20 drugs with 11 or more claims each, at $40,021 in total drug cost. In 2023, CMS named 326 claims across 16 drugs.

Part D claims, 2024873
Drugs named by CMS20
Total drug cost$40,021
Part D patients138

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

  • Generic745 claims85%
  • Brand-name and other128 claims15%

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

  • Opioids3%24 of 873 claims
  • Antibiotics1%11 of 873 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: 3262024: 50555%

Drugs named by CMS: 20 in 2024, 16 in 2023.

See all prescribing by Dr. Lai

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

Dr. Cindy J. Lai scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Lai for performance year 2024, reported as part of a group. Dr. Lai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lai as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Lai's MIPS scores, performance year 2024

  • 100of 100Final score
  • 95of 100Quality
  • 40of 100Improvement Activities
  • 81of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Cindy J. Lai has 56 publications on record

Dmand AI links 56 papers to Dr. Lai, published from 2008 to 2025. 2021 was the busiest year, with 7. The most frequent topics are Clinical Clerkship, Students, Medical and Education, Medical, Undergraduate. Dr. Lai has published most often in Am J Med. Dr. Lai's most frequent co-authors are Nadia June Ismail, MD, Temple Andrew Ratcliffe, MD and Nora Y. Osman, MD.

Papers56
Years published2008 to 2025

Dr. Lai's papers by year, 2012 to 2025

Topics Dr. Lai writes about most

  • Clinical Clerkship
  • Students, Medical
  • Education, Medical, Undergraduate
  • Internal Medicine
  • Internship and Residency
  • Curriculum
  • Educational Measurement
  • Learning

Dr. Lai's most frequent co-authors

Recent publications by Dr. Lai

See all 56 publications and co-authors

See who Dr. Lai researches with

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

How network discovery works

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

Dr. Cindy J. Lai has 1 award and honors on record

Dmand AI lists 1 award for Dr. Lai, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Lai

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Cindy J. Lai graduated from Keck School of Medicine of USC

Dr. Lai graduated from Keck School of Medicine of USC in 1999.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Cindy J. Lai accepts plans from 5 insurance carriers

Dr. Lai is in network with 5 carriers, including Aetna, United Healthcare and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • Molina

Plan types Dr. Lai accepts, by number of carriers

  1. Medicare3
  2. EPO2
  3. HMO2
  4. POS2
  5. PPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Cindy J. Lai'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand AI Professional Profile Data
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. Cindy J. Lai

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. Cindy J. Lai's NPI number?

Dr. Cindy J. Lai's NPI number is 1821055922. It was assigned on May 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Cindy J. Lai?

Dr. Cindy J. Lai is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Cindy J. Lai practice?

Dr. Lai practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Lai's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Lai to 3 group practices and clinics and 2 medical groups.

What is Dr. Cindy J. Lai's office phone number?

The practice phone on file for Dr. Lai is (415) 353-2733.

What is Dr. Cindy J. Lai's medical license number?

Dr. Lai holds California license A78730.

Which hospitals is Dr. Cindy J. Lai affiliated with?

Dr. Lai practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Dr. Cindy J. Lai part of?

Dr. Lai is linked to UCSF Pediatrics. Dmand AI links Dr. Lai to 2 more medical groups.

Does Dr. Cindy J. Lai accept Medicare?

Yes. CMS data shows Dr. Lai billed Medicare for 531 services in 2024, and Dr. Lai accepts Medicare assignment.

Does Dr. Cindy J. Lai offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Lai as offering telehealth services.

What is Dr. Cindy J. Lai's MIPS score?

Dr. Lai's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Cindy J. Lai see?

CMS counts 153 Medicare patients who saw Dr. Lai in 2024, with an average age of 73.

Is Dr. Cindy J. Lai board certified?

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

What services does Dr. Cindy J. Lai bill to Medicare?

In 2024, Dr. Lai's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).

Where did Dr. Cindy J. Lai go to medical school?

Dr. Lai graduated from Keck School of Medicine of USC in 1999.

What drugs does Dr. Cindy J. Lai prescribe most?

In 2024 Medicare Part D data, Dr. Lai's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.

How long has Dr. Cindy J. Lai been practicing?

Dr. Lai graduated from medical school in 1999, 27 years ago.

Does Dr. Cindy J. Lai do research?

Dmand AI links 56 publications to Dr. Lai, published from 2008 to 2025.

Who does Dr. Cindy J. Lai publish with?

Dr. Lai's most frequent co-authors are Nadia June Ismail, MD (8 shared papers), Temple Andrew Ratcliffe, MD (7 shared papers) and Nora Y. Osman, MD (6 shared papers).

What insurance does Dr. Cindy J. Lai accept?

Dr. Lai is in network with 5 carriers, including Aetna, United Healthcare and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

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