NPPES file of Aug 9, 2026

Janice K. Louie, MD, MPH

Infectious Disease Physician · San Francisco, CA

Janice K. Louie, MD, MPH is an infectious disease physician with a practice address in San Francisco, California, and NPI 1194914622, issued on Oct 22, 2007. Check the license (California G080472, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194914622
Name
Janice K. Louie
Credential
MD, MPH
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
G080472 CA
Self-reported in NPPES; status is on the state search
Practice location
2460 22ND Street, San Francisco, CA 94110
Phone
(916) 479-0143
Enumerated
Oct 22, 2007
Record last updated
Dec 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160916000355); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2460 22ND Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ana Li, RNRegistered Nurse1548743594
  2. Frank YeCommunity Health Worker1003701707

Verify Janice K. Louie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G080472
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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98% fewer Medicare Part D claims than the average infectious disease physician in 2024

11 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Janice Louie11
  2. Specialty average689

Most prescribed

  1. Sirturo11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.0
  2. Costout of 100 · 30%81.6
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. City And County OF San FranciscoSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Janice K. Louie among 1,119 infectious disease physician records in California

Janice K. Louie, MD, MPH is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 41% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1993 · median 2003 among the 735 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Paul Baum, MD, PHDSan Francisco, CA 941101154525004
  2. Henry Chambers III, MDSan Francisco, CA 941101184715773
  3. Stephanie Cohen, M.D.San Francisco, CA 941101043411317
  4. Moupali Das, MDSan Francisco, CA 941101801914270
  5. Monica Gandhi, MDSan Francisco, CA 941101396700019
  6. Heidi Hopkins, MDSan Francisco, CA 941101487878401
  7. Peter Hunt, MDSan Francisco, CA 941101730296484
  8. Sulggi Lee, MD, PHDSan Francisco, CA 941101558541383

Common questions

What is Janice K. Louie, MD, MPH's NPI number?

Janice K. Louie, MD, MPH's National Provider Identifier (NPI) is 1194914622, issued on Oct 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Janice K. Louie, MD, MPH located?

The NPPES record lists a practice address at 2460 22ND Street, San Francisco, CA, 94110. Phone: (916) 479-0143. Providers update this record themselves, so call before visiting.

How can I verify Janice K. Louie, MD, MPH's license?

NPPES lists California license number G080472, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Janice K. Louie, MD, MPH prescribe under Medicare Part D?

In 2024, Janice K. Louie, MD, MPH had 11 Medicare Part D claims; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Janice K. Louie, MD, MPH's MIPS final score?

The 2023 MIPS final score is 90.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.