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GREGORY LAWRENCE STONE MD
NPI 1215514955
Internal Medicine in Los Angeles, CA

Active since March 27, 2021PECOS Enrolled
757 WESTWOOD PLAZA, INTERNAL MEDICINE, LOS ANGELES, CA 90095(310) 267-7849 Get Directions Write a Review

NPPES record last updated: August 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gregory Lawrence Stone Md NPPES

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

GREGORY LAWRENCE STONE MD (NPI 1215514955) is an individual internal medicine provider in Los Angeles, California, licensed in California (A183902) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215514955
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGREGORY LAWRENCE STONECredential: MD
Location Address757 WESTWOOD PLAZA, INTERNAL MEDICINELos Angeles, CA 90095-7419
Mailing Address757 Westwood Plaza, Internal MedicineLos Angeles, CA 90095-7419 · (310) 267-7849
Phone(310) 267-7849
Sole ProprietorNo
Enumeration DateMarch 27, 2021
Last NPPES UpdateAugust 3, 2025
NPPES CertifiedAugust 3, 2025
✔ NPI 1215514955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A183902
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
757 WESTWOOD PLAZA, INTERNAL MEDICINE, Los Angeles, CA 90095
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Lawrence Stone Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

UTPAL NIRANJAN SANDESARA MD, PHD
Internal Medicine
757 WESTWOOD PLAZA, INTERNAL MEDICINE
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375
MR. SAGAR NISHAT SHAH
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, INTERNAL MEDICINE
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375
DR. LLOYD DAVID HARVEY MD, PHD
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, INTERNAL MEDICINE
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375
NEAL MAHAJAN
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, INTERNAL MEDICINE
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375
LAUREN LAUFER
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, INTERNAL MEDICINE
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375
ROHAN MARTIN KARANTH
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, INTERNAL MEDICINE
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375
KAREEM OSMAN
General Practice
757 WESTWOOD PLAZA, INTERNAL MEDICINE
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375
CHAIYAPORN CHARLES VATANATHAM
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, INTERNAL MEDICINE
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375

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 Gregory Stone's NPI number?

The NPI number for Gregory Stone is 1215514955. It was assigned to this individual provider in the NPPES registry on March 27, 2021.

Where is Gregory Stone located?

Gregory Stone practices at 757 Westwood Plaza, Internal Medicine, Los Angeles, CA 90095. The listed phone number is (310) 267-7849.

What is Gregory Stone's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gregory Stone enrolled in Medicare?

Yes. Gregory Stone is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Stone was last updated on August 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.