NPPES file of Aug 9, 2026

Christine W. Ku, M.D.

Specialist · Santa Rosa, CA

Christine W. Ku, M.D. is a specialist with a practice address in Santa Rosa, California, and NPI 1144327248, issued on Sep 20, 2006. Check the license (California C51152, 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
1144327248
Name
Christine W. Ku
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
C51152 CA
Self-reported in NPPES; status is on the state search
Practice location
3925 Old Redwood Hwy, Santa Rosa, CA 95403
Phone
(707) 566-5452
Enumerated
Sep 20, 2006
Record last updated
Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00C511520 CA
Medicare enrollment
Enrolled (PECOS I20040416001502); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 1990
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 3925 Old Redwood Hwy

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

  1. Taghrid Abuelqasem, RPHPharmacist1285165902
  2. Phyllis Angelo, CPNPPediatric Nurse Practitioner1538234489
  3. Bhumika BhaktaPharmacist1922530153
  4. Lucille Brongersma, O.D.Optometrist1033266218
  5. Charlene Crockett, MDOphthalmology Physician1720379316
  6. Vanessa Desousa, D.O.Pediatrics Physician1922395979

Verify Christine W. Ku 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 C51152
    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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88% fewer Medicare Part D claims than the average specialist in 2024

169 Medicare Part D claims for 56 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Christine Ku169
  2. Specialty average1,380

Most prescribed

  1. Prednisolone Acetate62 claims
  2. Brimonidine Tartrate24 claims
  3. Polymyxin B Sul-Trimethoprim19 claims
  4. Dorzolamide-Timolol16 claims
  5. Latanoprost15 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. Permanente Medical Group IncStockton, CA

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

Christine W. Ku among 5,749 specialist records in California

Christine W. Ku, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1990 · median 1989 among the 1,075 with a school on file
  • Record last updated2021 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California.

The 8 specialist records with the nearest ZIP codes

  1. Lorraine Champion, MDSanta Rosa, CA 954031932190949
  2. Robert Didier, D.D.S.Santa Rosa, CA 954031780805671
  3. Jennifer GonzalesSanta Rosa, CA 954031336624915
  4. Michael Grafe, M.D.Santa Rosa, CA 954031922194711
  5. Molly Hall, OTRSanta Rosa, CA 954031114396249
  6. Yessica HernandezSanta Rosa, CA 954031457864191
  7. Kevin Howe, M.D.Santa Rosa, CA 954031225124076
  8. Geoffrey Tompkins, M.D.Santa Rosa, CA 954031255427050

Common questions

What is Christine W. Ku, M.D.'s NPI number?

Christine W. Ku, M.D.'s National Provider Identifier (NPI) is 1144327248, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christine W. Ku, M.D. located?

The NPPES record lists a practice address at 3925 Old Redwood Hwy, Santa Rosa, CA, 95403. Phone: (707) 566-5452. Providers update this record themselves, so call before visiting.

How can I verify Christine W. Ku, M.D.'s license?

NPPES lists California license number C51152, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Christine W. Ku, M.D. prescribe under Medicare Part D?

In 2024, Christine W. Ku, M.D. had 169 Medicare Part D claims for 56 beneficiaries; the average among specialist prescribers was 1,380. 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.