Dr. Janet Yi Man Lee, MD, MPH

  • San Francisco, CA
  • Pediatric endocrinology physician
NPI1336439777PAC ID5294975371
Medicare services, 2019
31
Part D claims, 2024
20
Publications
15
Clinical trials
1
MIPS score, 2024
85
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 8 affiliations

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Dr. Janet Yi Man Lee is a pediatric endocrinology physician in San Francisco, California

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

Dr. Lee's NPI, 1336439777, was assigned on April 19, 2011. Dr. Lee graduated from Feinberg School of Medicine in 2011. Dr. Lee holds California license 136509.

NPI and contact details
Medicare PAC ID
5294975371
NPI enumeration date
April 19, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(415) 353-2733
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
2011

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

Dr. Janet Yi Man Lee practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Lee'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. Janet Yi Man Lee is affiliated with 4 sites of care and 4 medical groups

Dr. Lee'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. Lee to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 8 affiliations for Dr. Lee

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

Dmand AI tracks the EHR system at Dr. Janet Yi Man Lee's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lee 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 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Janet Yi Man Lee is one of 198 pediatric endocrinology physicians in California

Pediatric endocrinology is Dr. Lee's primary specialty in the NPI Registry, under taxonomy code 2080P0205X. Dr. Lee is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dmand AI has Dr. Lee's licenses on file in 2 states: California and Indiana.

Specialties and state licenses

  • Pediatric endocrinology, CaliforniaPrimaryLicense 136509 · 2015 to 2026 · taxonomy 2080P0205X
  • Indiana license2011 to 2015

Clinical focus

Dmand AI lists menopause and osteoporosis among the conditions Dr. Lee treats.

Pediatric endocrinology physicians near Dr. Lee

Counts of pediatric endocrinology physicians 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. Janet Yi Man Lee billed Medicare for 31 services in 2019

CMS data shows 31 Medicare services from Dr. Lee across 1 procedure code in 2019. Medicare paid $5,477 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 201931
Paid by Medicare$5,477
Procedure codes1

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

  • 2018
  • 2019
Office and hospital visits
2018: 1052019: 3170%

Dr. Lee compared with the California median for pediatric endocrinology physicians, 2019

  • Dr. Lee
  • California median
Part D claims
11vs 128% below

Medians across 48 pediatric endocrinology physicians in California with Dmand AI profiles that report each measure.

Dr. Lee'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. Lee

Need commercial claims for Dr. Lee?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lee and other pediatric endocrinology physicians in California.

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

Dr. Janet Yi Man Lee's patients have a median age of 17

Across all payers, Dmand AI patient panel data puts Dr. Lee's median patient age at 17, with 48% women.

Dr. Lee's patients across all payers

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

Patient panel by age, all payers

Median age 17

Patient panel by sex, all payers

  • Women48%
  • Men47%

Source: Dmand AI Patient Panel Data

Dr. Janet Yi Man Lee wrote 20 Medicare Part D claims in 2024

In 2024, Dr. Lee wrote 20 Medicare Part D claims. 95% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $65 in total drug cost. In 2018, CMS named 13 claims across 1 drug.

Part D claims, 202420
Drugs named by CMS1
Total drug cost$65

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

  • Generic19 claims95%
  • Brand-name and other1 claims5%

Dr. Lee'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.

Part D claims for drugs CMS names, 2018 to 2024

  • 2018
  • 2024
Claims for drugs CMS names
2018: 132024: 1115%

Drugs named by CMS: 1 in 2024, 1 in 2018.

See all prescribing by Dr. Lee

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. Janet Yi Man Lee scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Lee for performance year 2024, reported as part of a group. Dr. Lee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Lee's MIPS scores, performance year 2024

  • 85of 100Final score
  • 81.1of 100Quality
  • 40of 100Improvement Activities
  • 71of 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

For MedTech and pharma teams

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Dr. Janet Yi Man Lee has 15 publications on record

Dmand AI links 15 papers to Dr. Lee, published from 2018 to 2025. 2021 was the busiest year, with 3. The most frequent topics are Mice, Knockout and Transgender Persons. Dr. Lee has published most often in Transgend Health. Dr. Lee's most frequent co-authors are Stephen Martin Rosenthal, MD, Fatema Abdulhussein, MD and Hal Blumenfeld, MD.

Papers15
Years published2018 to 2025

Dr. Lee's papers by year, 2018 to 2025

Topics Dr. Lee writes about most

  • Mice, Knockout
  • Transgender Persons

Dr. Lee's most frequent co-authors

Recent publications by Dr. Lee

See all 15 publications and co-authors

See who Dr. Lee researches with

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

How network discovery works

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

Dr. Janet Yi Man Lee has worked on 1 clinical trial

Dmand AI links Dr. Lee to 1 clinical trial. Conditions studied include Exostoses, Multiple Hereditary and Osteochondroma.

Conditions in Dr. Lee's trials

  • Exostoses, Multiple Hereditary
  • Osteochondroma

Investigators on the most trials with Dr. Lee

Recent clinical trials with Dr. Lee

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Janet Yi Man Lee received $8,762 in industry payments from 2016 to 2020

CMS Open Payments shows 18 general payments to Dr. Lee from 5 drug and device companies from 2016 to 2020. Consulting fees make up the largest share, 67% of the total. Ultragenyx Pharmaceutical Inc. paid the most, $6,285.

General payments to Dr. Lee by program year, 2016 to 2020

General payments to Dr. Lee by kind, 2016 to 2020

$8.8Kin total
  • Consulting fees$5,85067%
  • Travel and lodging$1,58218%
  • Grants$6307%
  • Food and beverage$4045%
  • Education$2963%

Companies that paid Dr. Lee the most, 2016 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Lee

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

Dr. Janet Yi Man Lee graduated from Feinberg School of Medicine

Dr. Lee graduated from Feinberg School of Medicine in 2011. Dr. Lee is a member of ASBMR, ENDO, PES and WPATH.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in endocrinology, diabetes and metabolismAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in pediatric endocrinologyAmerican Board of Pediatrics
  5. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Janet Yi Man Lee accepts plans from 8 insurance carriers

Dr. Lee is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare
  • Molina
  • NV State Medicaid

Plan types Dr. Lee accepts, by number of carriers

  1. Medicare7
  2. PPO5
  3. HMO3
  4. POS3
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Janet Yi Man Lee'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 Data
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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Janet Yi Man Lee

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. Janet Yi Man Lee's NPI number?

Dr. Janet Yi Man Lee's NPI number is 1336439777. It was assigned on April 19, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Janet Yi Man Lee?

Dr. Janet Yi Man Lee is a pediatric endocrinology physician in San Francisco, California. The primary specialty in the NPI Registry is Pediatric Endocrinology Physician (taxonomy code 2080P0205X).

Where does Dr. Janet Yi Man Lee practice?

Dr. Lee practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Lee'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. Lee to 3 group practices and clinics and 3 medical groups.

What is Dr. Janet Yi Man Lee's office phone number?

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

What is Dr. Janet Yi Man Lee's medical license number?

Dr. Lee holds California license 136509, one of the licenses on file in 2 states.

Which states has Dr. Janet Yi Man Lee been licensed in?

Dmand AI has state licenses on file for Dr. Lee in California (2015 to 2026) and Indiana (2011 to 2015).

Which hospitals is Dr. Janet Yi Man Lee affiliated with?

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

What medical group is Dr. Janet Yi Man Lee part of?

Dr. Lee is linked to UCSF Pediatrics. Dmand AI links Dr. Lee to 3 more medical groups.

Does Dr. Janet Yi Man Lee accept Medicare?

Yes. CMS data shows Dr. Lee billed Medicare for 31 services in 2019, and Dr. Lee accepts Medicare assignment.

What is Dr. Janet Yi Man Lee's MIPS score?

Dr. Lee's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

Is Dr. Janet Yi Man Lee board certified?

Yes. Dr. Lee is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.

What services does Dr. Janet Yi Man Lee bill to Medicare?

In 2019, Dr. Lee's most billed Medicare services were hospital inpatient care (99223).

Where did Dr. Janet Yi Man Lee go to medical school?

Dr. Lee graduated from Feinberg School of Medicine in 2011.

What drugs does Dr. Janet Yi Man Lee prescribe most?

In 2024 Medicare Part D data, Dr. Lee's most prescribed drugs by claims were Levothyroxine Sodium.

Has Dr. Janet Yi Man Lee received payments from drug or device companies?

CMS Open Payments shows $8,762 in general payments to Dr. Lee from 5 companies from 2016 to 2020. The largest total came from Ultragenyx Pharmaceutical Inc.

How long has Dr. Janet Yi Man Lee been practicing?

Dr. Lee graduated from medical school in 2011, 15 years ago.

Does Dr. Janet Yi Man Lee do research?

Dmand AI links 15 publications to Dr. Lee, published from 2018 to 2025. Dr. Lee has worked on 1 clinical trial.

Who does Dr. Janet Yi Man Lee publish with?

Dr. Lee's most frequent co-authors are Stephen Martin Rosenthal, MD (3 shared papers), Fatema Abdulhussein, MD (1 shared paper) and Hal Blumenfeld, MD (1 shared paper).

What insurance does Dr. Janet Yi Man Lee accept?

Dr. Lee is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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