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

ISMAIL DENIZ MD
NPI 1619437704
Psychiatry & Neurology - Psychiatry in Campbell, CA

Q: What is Ismail Deniz's NPI number?

The NPI number for Ismail Deniz is 1619437704. It was assigned to this individual provider in the NPPES registry on March 23, 2019.

Q: What is Ismail Deniz's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Ismail Deniz was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since March 23, 2019PECOS EnrolledAccepts Medicare Assignment

307 ORCHARD CITY DR STE 310, CAMPBELL, CA 95008(213) 255-5960 Get Directions Write a Review

NPPES record last updated: October 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 14, 2026, Jun 10, 2024, Mar 23, 2019 (3 updates tracked since 2019).

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About Ismail Deniz Md NPPES

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

ISMAIL DENIZ MD (NPI 1619437704) is an individual psychiatry provider in Campbell, California, licensed in California (194547) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Irvine, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1619437704

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameISMAIL DENIZCredential: MD

Location Address307 ORCHARD CITY DR STE 310Campbell, CA 95008-2948

Mailing Address307 Orchard City Dr Ste 310Campbell, CA 95008-2948 · (213) 255-5960

Phone(213) 255-5960

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateMarch 23, 2019

Last NPPES UpdateOctober 14, 20263 updates tracked since enumeration

NPPES CertifiedOctober 14, 2026

✔ NPI 1619437704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · 194547

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · Addiction PsychiatryTaxonomy 2084P0802X · License 194547 (CA)

Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License 194547 (CA)

307 ORCHARD CITY DR STE 310, Campbell, CA 95008

Open in Google Maps ↗

Secondary Practice Location 1

Location 115615 Alton Pkwy Ste 220Irvine, CA 92618-7305 · Phone (949) 665-9136 · Fax (310) 912-6743

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ismail Deniz 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 ID9436649472

PECOS Enrollment IDI20251107000118

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.

Medicare Billing Reassignment

Medicare enrollment records show Ismail Deniz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hiawatha Harris, M.D., Inc.

22 mi

Mental Health

33456 ALVARADO NILES RD
Union City, CA 94587

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Hiawatha Harris MD Inc.
26 clinicians in this Medicare group

NPI 1851511638 (510) 675-0600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95008 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

$206.04 typical visit price

range $70.37 – $206.04

Typical copayment $51.51 (range $17.59 – $51.51)

Most-billed visit code 99205

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

Most-billed visit code 99213

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 14

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

CHLOE ELAINE WEI LMFT

Marriage & Family Therapist