NPPES file of Aug 9, 2026

Ivy A. Ku, M.D.

Cardiovascular Disease Physician · San Francisco, CA

Ivy A. Ku, M.D. is a cardiovascular disease physician with a practice address in San Francisco, California, and NPI 1538175112, issued on Aug 1, 2006. Check the license (California A98604, 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
1538175112
Name
Ivy A. Ku
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
A98604 CA
Self-reported in NPPES; status is on the state search
Practice location
2200 Ofarrell St, San Francisco, CA 94115
Phone
(415) 833-2616
Enumerated
Aug 1, 2006
Record last updated
Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(415) 833-3857
Medicare enrollment
Enrolled (PECOS I20111110000234); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2004
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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8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →

Also registered at 2200 Ofarrell St

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

  1. Luba Abascal, MDInternal Medicine Physician1023180874
  2. Mitchell Adachi, MDAnatomic Pathology Physician1720166366
  3. Lesley Aiken, MDInternal Medicine Physician1629156120
  4. Jonathan Alexander, MDHospitalist Physician1811075450
  5. Gabull Alhadhrami, NPAcute Care Nurse Practitioner1427124098
  6. Bryan Andrews, MDAnesthesiology Physician1609954239

Verify Ivy A. Ku in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A98604    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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76% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

741 Medicare Part D claims for 110 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Ivy Ku741
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate63 claims
  2. Carvedilol55 claims
  3. Spironolactone48 claims
  4. Amlodipine Besylate46 claims
  5. Atorvastatin Calcium40 claims
  6. Furosemide40 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: $1,502.63

13 payments; by number, the most common kind was travel and lodging; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ivy Ku$1,502.63
  2. Specialty average$3,819.56

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 IncSan Francisco, CA

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

Ivy A. Ku among 2,574 cardiovascular disease physician records in California

Ivy A. Ku, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2004 · median 1999 among the 1,742 with a school on file
  • Record last updated2021 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California.

All 2,574 in California → Every provider in San Francisco → Cardiovascular Disease Physician nationwide →

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Maria Ansari, MDSan Francisco, CA 941151700964319
  2. Bruce Brent, MDSan Francisco, CA 941151093726879
  3. Nitin Chitale, MDSan Francisco, CA 941151649243536
  4. Mark Dahlgren, MDSan Francisco, CA 941151760560353
  5. Peter Hui, MDSan Francisco, CA 941151619988375
  6. Lester Jacobson, M.D.San Francisco, CA 941151023192101
  7. Gordon Leung, MDSan Francisco, CA 941151245318872
  8. James Mailhot, M.D.San Francisco, CA 941151942392626

Common questions

What is Ivy A. Ku, M.D.'s NPI number?

Ivy A. Ku, M.D.'s National Provider Identifier (NPI) is 1538175112, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ivy A. Ku, M.D. located?

The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-2616. Providers update this record themselves, so call before visiting.

How can I verify Ivy A. Ku, M.D.'s license?

NPPES lists California license number A98604, 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 Ivy A. Ku, M.D. prescribe under Medicare Part D?

In 2024, Ivy A. Ku, M.D. had 741 Medicare Part D claims for 110 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.