NPPES file of Aug 9, 2026

Helen Hwei Ling Lin, MD

Psychiatry Physician · Pleasanton, CA

Helen Hwei Ling Lin, MD is a psychiatry physician with a practice address in Pleasanton, California, and NPI 1760474944, issued on Aug 16, 2005. Check the license (California G-156644, 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
1760474944
Name
Helen Hwei Ling Lin
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
G-156644 CA
DR.0049777 CO
01046724A IN
163797 NC
2010-01327 NC
Self-reported in NPPES; status is on the state search
Practice location
3930 Hopyard RD Suite 103, Pleasanton, CA 94588
Phone
(925) 560-5880
Enumerated
Aug 16, 2005
Record last updated
Sep 16, 2024
Medicaid IDs
81486774 CO
200147310 IN
Medicare enrollment
Enrolled (PECOS I20260120002135); accepts Medicare assignment
Medical or professional school
Rutgers, Robert Woood Johnson Medical School, 1993
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Verify Helen Hwei Ling 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 G-156644
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

51% fewer Medicare Part D claims than the average psychiatry physician in 2024

494 Medicare Part D claims for 34 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Helen Lin494
  2. Specialty average1,000

Most prescribed

  1. Olanzapine60 claims
  2. Clozapine46 claims
  3. Clonazepam40 claims
  4. Sertraline Hcl29 claims
  5. Benztropine Mesylate28 claims
  6. Trazodone Hcl22 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.

Bills Medicare through one group practice

  1. County OF AlamedaPleasanton, CA

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

Helen Hwei Ling Lin among 8,673 psychiatry physician records in California

Helen Hwei Ling Lin, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated1993 · median 2005 among the 3,295 with a school on file
  • Record last updated2024 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Mudassir Ali, M.D.Pleasanton, CA 945881245278548
  2. Dipti Bhakta, MDPleasanton, CA 945881558569400
  3. Laurie Chen, M.D.Pleasanton, CA 945881861689820
  4. Juan De Hoyos, MDPleasanton, CA 945881336181411
  5. Kathryn Econome, MDPleasanton, CA 945881811069636
  6. Lisa Fazzolari, DOPleasanton, CA 945881679793269
  7. David Finkelstein, M.D.Pleasanton, CA 945881124179262
  8. Rebecca Hirsch, MDPleasanton, CA 945881033295563

Common questions

What is Helen Hwei Ling Lin, MD's NPI number?

Helen Hwei Ling Lin, MD's National Provider Identifier (NPI) is 1760474944, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Helen Hwei Ling Lin, MD located?

The NPPES record lists a practice address at 3930 Hopyard RD Suite 103, Pleasanton, CA, 94588. Phone: (925) 560-5880. Providers update this record themselves, so call before visiting.

How can I verify Helen Hwei Ling Lin, MD's license?

NPPES lists California license number G-156644, 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 Helen Hwei Ling Lin, MD prescribe under Medicare Part D?

In 2024, Helen Hwei Ling Lin, MD had 494 Medicare Part D claims for 34 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.