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ARASH ESMAILZADEGAN MD INC
NPI 1720536097
Anesthesiology in Huntington Beach, CA

Active since September 15, 2016
17822 BEACH BLVD STE 300, HUNTINGTON BEACH, CA 92647(714) 326-1242(949) 863-8581 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 2, 2025, Sep 15, 2016 (2 updates tracked since 2016).

About Arash Esmailzadegan Md Inc NPPES

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

ARASH ESMAILZADEGAN MD INC (NPI 1720536097) is a healthcare organization registered as an anesthesiology in Huntington Beach, California and active in the NPI registry since September 2016. The organization lists Arash Esmailzadegan, President, as its authorized official.

NPPES Registry Identity

NPI1720536097
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameARASH ESMAILZADEGAN MD INC
Location Address17822 BEACH BLVD STE 300Huntington Beach, CA 92647-7172
Mailing Address17822 Beach Blvd Ste 300Huntington Beach, CA 92647-7172 · (954) 326-1242 · Fax (949) 863-8581
Phone(714) 326-1242
Fax(949) 863-8581
Organization SubpartNo
Authorized OfficialArash EsmailzadeganPresident · (714) 636-0342
Enumeration DateSeptember 15, 2016
Last NPPES UpdateDecember 2, 20252 updates tracked since enumeration
NPPES CertifiedDecember 2, 2025
✔ NPI 1720536097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A136449
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
17822 BEACH BLVD STE 300, Huntington Beach, CA 92647
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Arash Esmailzadegan Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Arash Esmailzadegan MD Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (9)

Arash Esmailzadegan, M.D.
Anesthesiology
NPI 1740573120
17822 BEACH BLVD STE 300
Huntington Beach, CA 92647
(714) 375-1122
✔ PECOSSame address
Shahbaz Qavi, MD
Anesthesiology
NPI 1073831160
17822 BEACH BLVD STE 300
Huntington Beach, CA 92647
(714) 375-1122
✔ PECOS✔ Accepts MedicareSame address
William Park, M.D.
Anesthesiology
NPI 1821002288
9828 GARDEN GROVE BLVD STE 201
Garden Grove, CA 92844
(714) 530-9633
✔ PECOS✔ Accepts Medicare5.1 mi
Elizabeth Bales, M.D.
Anesthesiology
NPI 1275720682
3226 BROAD ST
Newport Beach, CA 92663
(949) 410-4207
✔ PECOS✔ Accepts Medicare6.4 mi
Ronald Rothstein, M.D.
Anesthesiology
NPI 1134141286
3333 W COAST HWY STE 100
Newport Beach, CA 92663
(949) 645-6272
✔ PECOS6.7 mi
Aalap Shah, M.D.
Anesthesiology
NPI 1194014274
681 S PARKER ST STE 150
Orange, CA 92868
(714) 744-0900
✔ PECOS✔ Accepts Medicare9.0 mi
Jung Kim, M.D.
Anesthesiology
NPI 1255429510
4 LONGBOURN AISLE
Irvine, CA 92603
(949) 679-8762
✔ PECOS✔ Accepts Medicare11 mi
Siva Natarajan, M.D.
Anesthesiology
NPI 1003127234
3105 W PEREZ AVE
Visalia, CA 93291
(310) 422-6851
✔ PECOS✔ Accepts Medicare197 mi
Tahcin Ibrahim, M.D.
Anesthesiology
NPI 1841243649
105 MARYS AVE
Kingston, NY 12401
(845) 338-2500
✔ PECOS✔ Accepts Medicare2,445 mi

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

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 Arash Esmailzadegan MD Inc's NPI number?

The NPI number for Arash Esmailzadegan MD Inc is 1720536097. It was assigned to this organization in the NPPES registry on September 15, 2016.

Where is Arash Esmailzadegan MD Inc located?

Arash Esmailzadegan MD Inc is located at 17822 Beach Blvd Ste 300, Huntington Beach, CA 92647. The listed phone number is (714) 326-1242.

What is Arash Esmailzadegan MD Inc's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Arash Esmailzadegan MD Inc enrolled in Medicare?

Yes. Arash Esmailzadegan MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Arash Esmailzadegan MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians, all in Anesthesiology, reassign their Medicare billing to Arash Esmailzadegan MD Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Arash Esmailzadegan MD Inc was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.