Dr. Stanley R. Klein, MD

  • Torrance, CA
  • Vascular surgeon
NPI1902869662
Medicare services, 2024
16
Medicare patients, 2024
13
Part D claims, 2024
94
Publications
64
Industry payments
$2,948
Practice address
3330 Lomita Blvd, Torrance, CA 90505
Practice phone
Call (310) 325-9110
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Torrance Memorial Medical Center

Torrance, California

See all 7 affiliations

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Dr. Stanley R. Klein is a vascular surgeon in Torrance, California

Dr. Klein practices at Torrance Memorial Medical Center in Torrance, California.

Dr. Klein's NPI, 1902869662, was assigned on April 11, 2006. Dr. Klein graduated from UC San Diego School of Medicine in 1976. Dr. Klein holds California license G34332.

NPI and contact details
NPI enumeration date
April 11, 2006
NPI status
Active
Practice phone
(310) 325-9110
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
76
Medical school graduation
1976

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Stanley R. Klein practices at Torrance Memorial Medical Center in Torrance, California

Dr. Klein's primary practice is Torrance Memorial Medical Center, at 3330 Lomita Blvd, Torrance, CA 90505 in Los Angeles County. The practice phone is (310) 325-9110.

  • Torrance Memorial Medical Center
    3330 Lomita Blvd, Torrance, CA 90505 · Los Angeles CountyPhone(310) 325-9110

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Stanley R. Klein is affiliated with 4 sites of care and 3 medical groups

Dr. Klein's primary practice is Torrance Memorial Medical Center in Torrance, California. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Klein to 3 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Klein

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Stanley R. Klein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Torrance Memorial Medical CenterAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Stanley R. Klein is one of 532 vascular surgeons in California

Vascular surgery is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Klein is licensed in California.

Specialties and state licenses

  • Vascular surgery, CaliforniaPrimaryLicense G34332 · 1977 to 2026 · taxonomy 2086S0129X

Clinical focus

Dmand AI lists colon removal among the conditions Dr. Klein treats.

Vascular surgeons near Dr. Klein

Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Stanley R. Klein billed Medicare for 16 services in 2024

CMS data shows 16 Medicare services from Dr. Klein across 1 procedure code in 2024, all of them office visits, for 13 Medicare patients. Medicare paid $1,341 for them. Every service was in an office.

Medicare services, 202416
Medicare patients13
Paid by Medicare$1,341
Procedure codes1

Dr. Klein's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 562024: 1671%

Dr. Klein compared with the California median for vascular surgeons, 2024

  • Dr. Klein
  • California median
Medicare services
16vs 60997% below
Medicare patients
13vs 27295% below
Part D claims
11vs 5580% below

Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.

Dr. Klein's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Klein

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klein and other vascular surgeons in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Stanley R. Klein treated 13 Medicare patients in 2024, average age 73

CMS counts 13 Medicare patients who saw Dr. Klein in 2024. 75% of them have high blood pressure. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 65, with 79% women.

Medicare patients, 202413
Average age73
Average risk score1.75

Chronic conditions among Dr. Klein's Medicare patients, 2024

  1. High blood pressure75%

Share of Medicare patients with each condition. A patient can have several.

Dr. Klein's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women79%
  • Men21%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Stanley R. Klein wrote 94 Medicare Part D claims in 2024

In 2024, Dr. Klein wrote 94 Medicare Part D claims for 20 patients. 78% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $1,475 in total drug cost. In 2023, CMS named 16 claims across 1 drug.

Part D claims, 202494
Drugs named by CMS1
Total drug cost$1,475
Part D patients20

Dr. Klein's Part D claims by kind of drug, 2024

  • Generic73 claims78%
  • Brand-name21 claims22%

Dr. Klein's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 162024: 1131%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Klein

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Stanley R. Klein has 64 publications on record

Dmand AI links 64 papers to Dr. Klein in 2018. The most frequent topics are Dogs, Blood Vessel Prosthesis and Femoral Artery. Dr. Klein has published most often in Am Surg. Dr. Klein's most frequent co-authors are Rodney A. White, MD, Frederic Bongard, MD and Carlos Donayre, MD.

Papers64

Topics Dr. Klein writes about most

  • Dogs
  • Blood Vessel Prosthesis
  • Femoral Artery
  • Silicone Elastomers
  • Arteries
  • Wound Healing
  • Angiography
  • Biocompatible Materials

Dr. Klein's most frequent co-authors

Recent publications by Dr. Klein

See all 64 publications and co-authors

See who Dr. Klein researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klein works with, so you can find a warm path to the right vascular surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Stanley R. Klein received $2,948 in industry payments from 2016 to 2025

CMS Open Payments shows 78 general payments to Dr. Klein from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $1,047.

General payments to Dr. Klein by program year, 2016 to 2025

Companies that paid Dr. Klein the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Klein

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Stanley R. Klein has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Klein.

Awards and honors for Dr. Klein

  1. Undated
    • ACS Fellow
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Stanley R. Klein graduated from UC San Diego School of Medicine

Dr. Klein graduated from UC San Diego School of Medicine in 1976. Dr. Klein is a member of ACS and SLS.

  1. Medical schoolUC San Diego School of Medicine

Source: Dmand AI Professional Profile Data

Dr. Stanley R. Klein accepts plans from 15 insurance carriers

Dr. Klein is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Klein accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Stanley R. Klein's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Stanley R. Klein

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Stanley R. Klein's NPI number?

Dr. Stanley R. Klein's NPI number is 1902869662. It was assigned on April 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Stanley R. Klein?

Dr. Stanley R. Klein is a vascular surgeon in Torrance, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Stanley R. Klein practice?

Dr. Klein practices at 3330 Lomita Blvd, Torrance, CA 90505. Dr. Klein's primary practice is Torrance Memorial Medical Center in Torrance, California. Dmand AI also links Dr. Klein to 3 group practices and clinics and 2 medical groups.

What is Dr. Stanley R. Klein's office phone number?

The practice phone on file for Dr. Klein is (310) 325-9110.

What is Dr. Stanley R. Klein's medical license number?

Dr. Klein holds California license G34332.

What medical group is Dr. Stanley R. Klein part of?

Dr. Klein is linked to Harbor-UCLA Medical Center. Dmand AI links Dr. Klein to 2 more medical groups.

Does Dr. Stanley R. Klein accept Medicare?

Yes. CMS data shows Dr. Klein billed Medicare for 16 services in 2024.

How many Medicare patients does Dr. Stanley R. Klein see?

CMS counts 13 Medicare patients who saw Dr. Klein in 2024, with an average age of 73.

What services does Dr. Stanley R. Klein bill to Medicare?

In 2024, Dr. Klein's most billed Medicare services were office visit, established patient (99214).

Where did Dr. Stanley R. Klein go to medical school?

Dr. Klein graduated from UC San Diego School of Medicine in 1976.

Show 6 more questionsShow fewer questions

What drugs does Dr. Stanley R. Klein prescribe most?

In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Vitamin D2.

Has Dr. Stanley R. Klein received payments from drug or device companies?

CMS Open Payments shows $2,948 in general payments to Dr. Klein from 24 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Stanley R. Klein been practicing?

Dr. Klein graduated from medical school in 1976, 50 years ago.

Does Dr. Stanley R. Klein do research?

Dmand AI links 64 publications to Dr. Klein.

Who does Dr. Stanley R. Klein publish with?

Dr. Klein's most frequent co-authors are Rodney A. White, MD (19 shared papers), Frederic Bongard, MD (11 shared papers) and Carlos Donayre, MD (5 shared papers).

What insurance does Dr. Stanley R. Klein accept?

Dr. Klein is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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