Lawrence Martin Flechner, M.D., PH.D.
Urology Physician · Torrance, CA
Lawrence Martin Flechner, M.D., PH.D. is a urology physician with a practice address in Torrance, California, and NPI 1689815458, issued on Mar 9, 2009. Check the license (California A103673, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lawrence Martin Flechner
- Credential
- M.D., PH.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A103673 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23600 Telo Ave Ste 220, Torrance, CA 90505
- Phone
- (310) 534-8400
- Enumerated
- Mar 9, 2009
- Record last updated
- Oct 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (310) 534-0463
- Medicare enrollment
- Enrolled (PECOS I20121004000693); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 23600 Telo Ave Ste 220
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alec Koo, M.D.Urology Physician1740236066
- Shirley Lee, C.R.N.P.Family Nurse Practitioner1659625713
- Royal Park, M.D.Urology Physician1336192301
Verify Lawrence Martin Flechner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A103673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average urology physician in 2024
3,485 Medicare Part D claims for 854 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 35 claims were for opioids.
Most prescribed
- Tamsulosin Hcl1,224 claims
- Finasteride726 claims
- Ciprofloxacin Hcl157 claims
- Myrbetriq131 claims
- Gemtesa122 claims
- Methenamine Hippurate85 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.
The MIPS final score for 2023 (Medicare payment program): 99.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,414.30
111 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 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
- Genesis Healthcare Partners PCTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
Other urology physician records in California
- David Aaronson, MDOakland, CA1215053129
- Jason Abber, MDPanorama City, CA1356366926
- Marc Abboud, MDLos Alamitos, CA1265096531
- George AbdelsayedAnaheim, CA1568721843
- Garen AbediDowney, CA1285909051
- Jennifer Abidari, MDStanford, CA1811098197
- Sherif Aboseif, MDOxnard, CA1093882995
- Parwiz Abrahimi, M.D., PH.D.Los Angeles, CA1154857613
- Anthony Acquaviva, MDVallejo, CA1457439283
- Theodore Affue, M.D.El Centro, CA1386674000
Common questions
What is Lawrence Martin Flechner, M.D., PH.D.'s NPI number?
Lawrence Martin Flechner, M.D., PH.D.'s National Provider Identifier (NPI) is 1689815458, issued on Mar 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Martin Flechner, M.D., PH.D. located?
The NPPES record lists a practice address at 23600 Telo Ave Ste 220, Torrance, CA, 90505. Phone: (310) 534-8400. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Martin Flechner, M.D., PH.D.'s license?
NPPES lists California license number A103673, 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 Lawrence Martin Flechner, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Lawrence Martin Flechner, M.D., PH.D. had 3,485 Medicare Part D claims for 854 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Lawrence Martin Flechner, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 99.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.