NPPES file of Aug 9, 2026

Perry Lynn Westbrook, D.M.D., M.S.D.

Periodontics · Sunnyvale, CA

Perry Lynn Westbrook, D.M.D., M.S.D. is a periodontics with a practice address in Sunnyvale, California, and NPI 1053435693, issued on Mar 19, 2007. Check the license (California 41694, as entered in NPPES) with the California board that licenses this profession; 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
1053435693
Name
Perry Lynn Westbrook
Credential
D.M.D., M.S.D.
Primary taxonomy
Periodontics 1223P0300X
License number
41694 CA
Self-reported in NPPES; status is on the state search
Practice location
877 W Fremont Ave, Sunnyvale, CA 94087
Phone
(408) 737-1551
Enumerated
Mar 19, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(408) 737-3855
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 877 W Fremont Ave

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

  1. Ruth Auten, LMFTMarriage & Family Therapist1669727947
  2. Birim Boyer, DDSDentist1770795064
  3. Mark Burhenne, D.D.S.Dentist1295858546
  4. Sookil Chun, R.PHPharmacist1659526002
  5. Anne Cole, M.D.Internal Medicine Physician1922188945
  6. Christine Cook, D.D.S.Endodontics1255418042

Verify Perry Lynn Westbrook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 41694
    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
Find the California license search

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7% more Medicare Part D claims than the average periodontics in 2024

296 Medicare Part D claims for 81 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Perry Westbrook296
  2. Specialty average277

Most prescribed

  1. Chlorhexidine Gluconate115 claims
  2. Ibuprofen71 claims
  3. Doxycycline Hyclate60 claims
  4. Amoxicillin25 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: $38.59

2 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 2,966 providers of this specialty with any payment received $1,338.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Perry Westbrook$38.59
  2. Specialty average$1,338.41

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

Perry Lynn Westbrook among 929 periodontics records in California

Perry Lynn Westbrook, D.M.D., M.S.D. is one of 929 periodontics records with a practice address in California. 69% 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 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Periodontics providers in California

There are 929 periodontics records in California.

The 8 periodontics records with the nearest ZIP codes

  1. Steve Chang, DDSSunnyvale, CA 940871700921632
  2. Alexander Kim, D.D.S.Sunnyvale, CA 940871669627790
  3. Jin Wan Kim, DDSSunnyvale, CA 940871588150841
  4. Howard Low, DDSSunnyvale, CA 940871659391290
  5. Daniel Lin, DDSSunnyvale, CA 940861619178746
  6. Navid Knight, DDSSouth San Francisco, CA 940801437270246
  7. James Coggan, DDSSan Francisco, CA 941021013133842
  8. Jerry Humeniuk, DMDSan Francisco, CA 941021174722003

Common questions

What is Perry Lynn Westbrook, D.M.D., M.S.D.'s NPI number?

Perry Lynn Westbrook, D.M.D., M.S.D.'s National Provider Identifier (NPI) is 1053435693, issued on Mar 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Perry Lynn Westbrook, D.M.D., M.S.D. located?

The NPPES record lists a practice address at 877 W Fremont Ave, Sunnyvale, CA, 94087. Phone: (408) 737-1551. Providers update this record themselves, so call before visiting.

How can I verify Perry Lynn Westbrook, D.M.D., M.S.D.'s license?

NPPES lists California license number 41694, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Perry Lynn Westbrook, D.M.D., M.S.D. prescribe under Medicare Part D?

In 2024, Perry Lynn Westbrook, D.M.D., M.S.D. had 296 Medicare Part D claims for 81 beneficiaries; the average among periodontics prescribers was 277. 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.