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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANA ASHOURI MD
NPI 1285213744
Internal Medicine - Endocrinology, Diabetes & Metabolism in Pasadena, CA

Active since April 02, 2021PECOS Enrolled
2 N LAKE AVE STE 1025, PASADENA, CA 91101(626) 828-0102(626) 659-1461 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 13, 2026, Sep 21, 2026, Apr 2, 2021 (3 updates tracked since 2021).

About Diana Ashouri Md NPPES

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

DIANA ASHOURI MD (NPI 1285213744) is an individual endocrinology, diabetes & metabolism provider in Pasadena, California, licensed in California (A191921) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285213744
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDIANA ASHOURICredential: MD
Location Address2 N LAKE AVE STE 1025Pasadena, CA 91101-5640
Mailing Address2 N Lake Ave Ste 1025Pasadena, CA 91101-5640 · (626) 828-0102
Phone(626) 828-0102
Fax(626) 659-1461
Sole ProprietorNo
Enumeration DateApril 2, 2021
Last NPPES UpdateOctober 13, 20263 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1285213744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A191921
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.
2 N LAKE AVE STE 1025, Pasadena, CA 91101
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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)

Diana Ashouri 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 91101 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

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

DIANA ASHOURI MD ENDOCRINOLOGY & WEIGHT LOSS MEDICAL CORPORATION
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2 N LAKE AVE STE 1025
PASADENA, CA 91101
Los Angeles County (626) 828-0102

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 Diana Ashouri's NPI number?

The NPI number for Diana Ashouri is 1285213744. It was assigned to this individual provider in the NPPES registry on April 2, 2021.

Where is Diana Ashouri located?

Diana Ashouri practices at 2 N Lake Ave Ste 1025, Pasadena, CA 91101. The listed phone number is (626) 828-0102.

What is Diana Ashouri's specialty?

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

Is Diana Ashouri enrolled in Medicare?

Yes. Diana Ashouri is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diana Ashouri was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.