Helena Leiner Katz, MD
Geriatric Medicine (Internal Medicine) Physician · San Francisco, CA
Helena Leiner Katz, MD is a geriatric medicine (internal medicine) physician with a practice address in San Francisco, California, and NPI 1285774414, issued on Feb 7, 2007. Check the license (California G40915, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Helena Leiner Katz
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- G40915 CA
Self-reported in NPPES; status is on the state search - Practice location
- 375 Laguna Honda Blvd, San Francisco, CA 94116
- Phone
- (415) 759-2300
- Enumerated
- Feb 7, 2007
- Record last updated
- Jun 17, 2026
- Fax
- (415) 759-4587
- Medicaid ID
- 00G409150 CA
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 375 Laguna Honda Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Helena Leiner Katz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G40915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,238 Medicare Part D claims for 66 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Gabapentin111 claims
- Metoprolol Tartrate91 claims
- Finasteride81 claims
- Metformin Hcl Er64 claims
- Benazepril Hcl57 claims
- Mirtazapine48 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.
Helena Leiner Katz among 532 geriatric medicine (internal medicine) physician records in California
Helena Leiner Katz, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 54% of them.
- NPI issued2007 · 54% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in San Francisco → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Namita Kansal, MDSan Francisco, CA 941161184883415
- Lydia Lukian, MDSan Francisco, CA 941161932249125
- Victoria Sweet, MDSan Francisco, CA 941161275673477
- Leslie Kernisan, M.D.San Francisco, CA 941171215968797
- Russell Lemesh, MD,MS,FACPSan Francisco, CA 941151518044593
- Karla Lovett, MDSan Francisco, CA 941151871671412
- Kathryn Sewell, M.D.San Francisco, CA 941151689652612
- Pei Chen, MDSan Francisco, CA 941181295054948
Common questions
What is Helena Leiner Katz, MD's NPI number?
Helena Leiner Katz, MD's National Provider Identifier (NPI) is 1285774414, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Helena Leiner Katz, MD located?
The NPPES record lists a practice address at 375 Laguna Honda Blvd, San Francisco, CA, 94116. Phone: (415) 759-2300. Providers update this record themselves, so call before visiting.
How can I verify Helena Leiner Katz, MD's license?
NPPES lists California license number G40915, 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 Helena Leiner Katz, MD prescribe under Medicare Part D?
In 2024, Helena Leiner Katz, MD had 1,238 Medicare Part D claims for 66 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.