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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.

ELENA NADERZAD
NPI 1194410001
Internal Medicine in Stockton, CA

Active since April 06, 2023PECOS Enrolled
1800 N CALIFORNIA ST, STOCKTON, CA 95204(209) 547-7177 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 8, 2026, Apr 6, 2023 (2 updates tracked since 2023).

About Elena Naderzad NPPES

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

ELENA NADERZAD (NPI 1194410001) is an individual internal medicine provider in Stockton, California, licensed in California (208460) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Jose.

NPPES Registry Identity

NPI1194410001
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameELENA NADERZAD
Location Address1800 N CALIFORNIA STStockton, CA 95204-6019
Mailing Address250 Hospital PkwySan Jose, CA 95119-1103
Phone(209) 547-7177
Sole ProprietorNo
Enumeration DateApril 6, 2023
Last NPPES UpdateSeptember 8, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2026
✔ NPI 1194410001 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 208460
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.
1800 N CALIFORNIA ST, Stockton, CA 95204
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Secondary Practice Location 1

Location 1250 Hospital PkwySan Jose, CA 95119-1103 · Phone (408) 972-3000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elena Naderzad 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 95204 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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.

MONICA CHAPPIDI DO
Student in an Organized Health Care Education/Training Program
1800 N CALIFORNIA ST
STOCKTON, CA 95204
San Joaquin County (209) 547-5949
DEEPAK GIR MD
Student in an Organized Health Care Education/Training Program
1800 N CALIFORNIA ST
STOCKTON, CA 95204
San Joaquin County (209) 547-7177
PRIYADEEP KANG MD
Student in an Organized Health Care Education/Training Program
1800 N CALIFORNIA ST
STOCKTON, CA 95204
San Joaquin County (209) 547-7181
NANCY THI NGUYEN CF-SLP
Speech-Language Pathologist
1800 N CALIFORNIA ST
STOCKTON, CA 95204
San Joaquin County (209) 943-2000
DR. VALERIE DEJESUS MD
Anesthesiology
1800 N CALIFORNIA ST
STOCKTON, CA 95204
San Joaquin County (209) 547-5716
DR. AMATYA TARAN MD
Student in an Organized Health Care Education/Training Program
1800 N CALIFORNIA ST
STOCKTON, CA 95204
San Joaquin County (209) 547-7177
LARRY GEORGE OTTERSTETTER DO
Student in an Organized Health Care Education/Training Program
1800 N CALIFORNIA ST
STOCKTON, CA 95204
San Joaquin County (209) 547-7181
SHUBHPREET KAUR SOHAL
Nurse Practitioner (Family)
1800 N CALIFORNIA ST
STOCKTON, CA 95204
San Joaquin County (209) 466-0456

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 Elena Naderzad's NPI number?

The NPI number for Elena Naderzad is 1194410001. It was assigned to this individual provider in the NPPES registry on April 6, 2023.

Where is Elena Naderzad located?

Elena Naderzad practices at 1800 N California St, Stockton, CA 95204. The listed phone number is (209) 547-7177.

What is Elena Naderzad's specialty?

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

Is Elena Naderzad enrolled in Medicare?

Yes. Elena Naderzad is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Elena Naderzad was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.