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LAURENCE KATZNELSON MD
NPI 1013082643
Internal Medicine - Endocrinology, Diabetes & Metabolism in Los Angeles, CA

Active since November 21, 2006PECOS EnrolledAccepts Medicare Assignment
76.5/100
CMS Quality Rating
8723 ALDEN DR STE SSB 290, LOS ANGELES, CA 90048(310) 423-3870(310) 423-0429 Get Directions Write a Review

NPPES record last updated: May 7, 2024. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 7, 2024, Apr 26, 2024 (2 updates tracked since 2024).

About Laurence Katznelson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAURENCE KATZNELSON MD (NPI 1013082643) is an individual endocrinology, diabetes & metabolism provider in Los Angeles, California, licensed in California (G87279) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, Geffen School Of Medicine (1985).

NPPES Registry Identity

NPI1013082643
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameLAURENCE KATZNELSONCredential: MD
Location Address8723 ALDEN DR STE SSB 290Los Angeles, CA 90048-3692
Mailing Address4140 W 190th StTorrance, CA 90504-5513
Phone(310) 423-3870
Fax(310) 423-0429
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1985
Enumeration DateNovember 21, 2006
Last NPPES UpdateMay 7, 20242 updates tracked since enumeration
NPPES CertifiedMay 7, 2024
✔ NPI 1013082643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · G87279
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License G87279 (CA)
8723 ALDEN DR STE SSB 290, Los Angeles, CA 90048
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1875 Blake Wilbur DrStanford, CA 94035-5826 · Phone (650) 725-0701 · Fax (650) 736-8100
Location 2300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Laurence Katznelson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193705119
PECOS Enrollment IDI20040924000977
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
26 services26 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.31
Promoting Interoperability100
Improvement Activities40
Cost43.95

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Laurence Katznelson's NPI number?

The NPI number for Laurence Katznelson is 1013082643. It was assigned to this individual provider in the NPPES registry on November 21, 2006.

Where is Laurence Katznelson located?

Laurence Katznelson practices at 8723 Alden Dr Ste Ssb 290, Los Angeles, CA 90048. The listed phone number is (310) 423-3870.

What is Laurence Katznelson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Laurence Katznelson enrolled in Medicare?

Yes. Laurence Katznelson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Laurence Katznelson was last updated on May 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.