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H.P. CHANG MD INC
NPI 1851840839
Anesthesiology in Arcadia, CA

Active since October 01, 2016
51 N 5TH AVE STE 101, ARCADIA, CA 91006(626) 827-7647 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 21, 2026, Oct 1, 2016 (2 updates tracked since 2016).

About H.p. Chang Md Inc NPPES

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

H.P. CHANG MD INC (NPI 1851840839) is a healthcare organization registered as an anesthesiology in Arcadia, California and active in the NPI registry since October 2016. The organization lists He Ping Chang, President, as its authorized official.

NPPES Registry Identity

NPI1851840839
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameH.P. CHANG MD INC
Location Address51 N 5TH AVE STE 101Arcadia, CA 91006-3711
Mailing AddressPo Box 5486Orange, CA 92863-5486 · (818) 550-0900 · Fax (818) 550-0900
Phone(626) 827-7647
Organization SubpartNo
Authorized OfficialHe Ping ChangPresident · (626) 827-7647
Enumeration DateOctober 1, 2016
Last NPPES UpdateJanuary 21, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
✔ NPI 1851840839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A66328
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.
51 N 5TH AVE STE 101, Arcadia, CA 91006
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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)

H.p. Chang Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to H.P. Chang MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

He Chang, M.D.
Anesthesiology
NPI 1962416164
438 W LAS TUNAS DR
San Gabriel, CA 91776
(626) 289-5454
✔ PECOS✔ Accepts Medicare5.6 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 H.P. Chang MD Inc's NPI number?

The NPI number for H.P. Chang MD Inc is 1851840839. It was assigned to this organization in the NPPES registry on October 1, 2016.

Where is H.P. Chang MD Inc located?

H.P. Chang MD Inc is located at 51 N 5th Ave Ste 101, Arcadia, CA 91006. The listed phone number is (626) 827-7647.

What is H.P. Chang MD Inc's specialty?

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

Is H.P. Chang MD Inc enrolled in Medicare?

Yes. H.P. Chang MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through H.P. Chang MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Anesthesiology) reassigns their Medicare billing to H.P. Chang 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for H.P. Chang MD Inc was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.