Lloyd W. Klein, MD
Cardiovascular Disease Physician · San Francisco, CA
Lloyd W. Klein, MD is a cardiovascular disease physician with a practice address in San Francisco, California, and NPI 1063495166, issued on Nov 22, 2005. Check the license (California G149163, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lloyd W. Klein
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- G149163 CA
036076526 IL
Self-reported in NPPES; status is on the state search - Practice location
- 505 Parnassus Ave # M-1777A, San Francisco, CA 94143
- Phone
- (415) 476-1325
- Enumerated
- Nov 22, 2005
- Record last updated
- Oct 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (415) 476-9802
- Medicaid ID
- 036076526 IL
- Medicare enrollment
- Enrolled (PECOS I20190307001929); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Verify Lloyd W. Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G149163Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
13 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $12,066.93
15 payments; by number, the most common kind was education; the largest payer was Novo Nordisk Inc. 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.
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
- Regents OF The University OF CaliforniaSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lloyd W. Klein among 2,574 cardiovascular disease physician records in California
Lloyd W. Klein, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1977 · 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
- Theodore Abraham, M.D.San Francisco, CA 941431467427096
- Maria Abraham, M.D.San Francisco, CA 941431669436960
- Phoebe Ashley, M.D.San Francisco, CA 941431740288901
- Michael Blum, MDSan Francisco, CA 941431972568889
- Elias Botvinick, MDSan Francisco, CA 941431760440465
- Tony Chou, M.D.San Francisco, CA 941431457389009
- Michael Crawford, MDSan Francisco, CA 941431780632190
- Elyse Foster, MDSan Francisco, CA 941431760431837
Common questions
What is Lloyd W. Klein, MD's NPI number?
Lloyd W. Klein, MD's National Provider Identifier (NPI) is 1063495166, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lloyd W. Klein, MD located?
The NPPES record lists a practice address at 505 Parnassus Ave # M-1777A, San Francisco, CA, 94143. Phone: (415) 476-1325. Providers update this record themselves, so call before visiting.
How can I verify Lloyd W. Klein, MD's license?
NPPES lists California license number G149163, 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 Lloyd W. Klein, MD prescribe under Medicare Part D?
In 2024, Lloyd W. Klein, MD had 13 Medicare Part D claims; 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.
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.