NPPES file of Aug 9, 2026

Phyu Phyu Lim, MD

Geriatric Medicine (Internal Medicine) Physician · Fremont, CA

Phyu Phyu Lim, MD is a geriatric medicine (internal medicine) physician with a practice address in Fremont, California, and NPI 1043534803, issued on Mar 23, 2010. Check the license (California A110218, 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
1043534803
Name
Phyu Phyu Lim
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A110218 CA
Self-reported in NPPES; status is on the state search
Practice location
159 Washington Blvd, Fremont, CA 94539
Phone
(510) 249-2700
Enumerated
Mar 23, 2010
Record last updated
Sep 29, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170919002314); accepts Medicare assignment
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 159 Washington Blvd

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

  1. Deborah Chiu, M.S., OTR/LOccupational Therapist1639417579

Verify Phyu Phyu Lim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A110218
    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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26% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

3,142 Medicare Part D claims for 41 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 31 claims were for opioids.

  1. Phyu Phyu Lim3,142
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium392 claims
  2. Baclofen225 claims
  3. Gabapentin167 claims
  4. Benazepril Hcl151 claims
  5. Levetiracetam139 claims
  6. Finasteride126 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).

Phyu Phyu Lim among 532 geriatric medicine (internal medicine) physician records in California

Phyu Phyu Lim, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 71% of them.

  • NPI issued2010 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2002 · median 1999 among the 271 with a school on file
  • Record last updated2011 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Samina Khwaja, M.D.Fremont, CA 945381225141963
  2. Gary Lee, MDFremont, CA 945381710943113
  3. Donna Heinle, M.D.Livermore, CA 945501780693234
  4. Sumangala Kote, M.D.Livermore, CA 945501891731899
  5. Sophia Chen, D.O.Martinez, CA 945531225371016
  6. Daniel Lively, MDMartinez, CA 945531801966718
  7. Suprabha Jain, MDPleasant Hill, CA 945231841228384
  8. William Strauss, MDMoraga, CA 945561932123312

Common questions

What is Phyu Phyu Lim, MD's NPI number?

Phyu Phyu Lim, MD's National Provider Identifier (NPI) is 1043534803, issued on Mar 23, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Phyu Phyu Lim, MD located?

The NPPES record lists a practice address at 159 Washington Blvd, Fremont, CA, 94539. Phone: (510) 249-2700. Providers update this record themselves, so call before visiting.

How can I verify Phyu Phyu Lim, MD's license?

NPPES lists California license number A110218, 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 Phyu Phyu Lim, MD prescribe under Medicare Part D?

In 2024, Phyu Phyu Lim, MD had 3,142 Medicare Part D claims for 41 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

What is Phyu Phyu Lim, MD'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.