NPPES file of Aug 9, 2026

Joy Lin, MD

Neurology Physician · Fremont, CA

Joy Lin, MD is a neurology physician with a practice address in Fremont, California, and NPI 1528593902, issued on Apr 24, 2017. Check the license (California 158012, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528593902
Name
Joy Lin
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
158012 CA
Self-reported in NPPES; status is on the state search
Practice location
39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone
(510) 248-3000
Enumerated
Apr 24, 2017
Record last updated
Jan 28, 2025
Medicare enrollment
Enrolled (PECOS I20220802003584); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2017
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 39400 Paseo Padre Pkwy

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

  1. Denise Agatep, LCSWCounselor1164584900
  2. Ujwala Agharkar, MDChild & Adolescent Psychiatry Physician1073685723
  3. Dolly Ahluwalia, RDRegistered Dietitian1659429157
  4. Tabassum Alam, MDHospitalist Physician1306921069
  5. Mary Alyono, MDAnesthesiology Physician1477631059
  6. Stephanie Aoki, PHDPsychologist1427721216

Verify Joy Lin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 158012
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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78% fewer Medicare Part D claims than the average neurology physician in 2024

301 Medicare Part D claims for 77 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Joy Lin301
  2. Specialty average1,370

Most prescribed

  1. Carbidopa-Levodopa40 claims
  2. Donepezil Hcl36 claims
  3. Gabapentin35 claims
  4. Propranolol Hcl25 claims
  5. Primidone23 claims
  6. Memantine Hcl14 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.

Industry payments in 2024: $1,201.24

45 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joy Lin$1,201.24
  2. Specialty average$8,318.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Permanente Medical Group IncFremont, CA

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

Joy Lin among 2,339 neurology physician records in California

Joy Lin, MD is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2017 · median 2006 among the 1,628 with a school on file
  • Record last updated2025 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

The 8 neurology physician records with the nearest ZIP codes

  1. Alok Bhattacharya, M.D.Fremont, CA 945381528092996
  2. Nayan Desai, MDFremont, CA 945381710953773
  3. Jina Janavs, MDFremont, CA 945381063597722
  4. Holly Maccallum, M.D.Fremont, CA 945381518225788
  5. Stephen Nnodim, MDFremont, CA 945381396199105
  6. John Ribaudo, MDFremont, CA 945381598844649
  7. Charan Singh, M.D.Fremont, CA 945381821046319
  8. Ravinder Kahlon, M.D.Fremont, CA 945361386741320

Common questions

What is Joy Lin, MD's NPI number?

Joy Lin, MD's National Provider Identifier (NPI) is 1528593902, issued on Apr 24, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Joy Lin, MD located?

The NPPES record lists a practice address at 39400 Paseo Padre Pkwy, Fremont, CA, 94538. Phone: (510) 248-3000. Providers update this record themselves, so call before visiting.

How can I verify Joy Lin, MD's license?

NPPES lists California license number 158012, 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 Joy Lin, MD prescribe under Medicare Part D?

In 2024, Joy Lin, MD had 301 Medicare Part D claims for 77 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

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.