ENG MEDICAL ASSOCIATES
NPI 1245398882
Ophthalmology in Pasadena, CA

Q: What is Eng And Chang Partnership's NPI number?

The NPI number for Eng And Chang Partnership is 1245398882. It was assigned to this organization in the NPPES registry on December 5, 2006. The provider is doing business as Eng Medical Associates.

Q: What is Eng And Chang Partnership's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Active since December 05, 2006

625 S FAIR OAKS AVE, SUITE 235, PASADENA, CA 91105(626) 796-7006(626) 796-9990 Get Directions Write a Review

NPPES record last updated: September 11, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Eng Medical Associates NPPES

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

ENG MEDICAL ASSOCIATES (NPI 1245398882) is a healthcare organization registered as an ophthalmology in Pasadena, California and active in the NPI registry since December 2006. The organization lists Calvin Thomas Eng, Owner, as its authorized official.

NPPES Registry Identity

NPI1245398882

Entity TypeOrganization

Primary Taxonomy207W00000X

Legal Business NameENG AND CHANG PARTNERSHIP

Location Address625 S FAIR OAKS AVE, SUITE 235Pasadena, CA 91105-2664

Mailing Address625 S Fair Oaks Ave, Suite 235Pasadena, CA 91105-2664 · (626) 796-7006 · Fax (626) 796-9990

Phone(626) 796-7006

Fax(626) 796-9990

Organization SubpartNo

Authorized OfficialCalvin Thomas EngOwner · (626) 289-8260

Enumeration DateDecember 5, 2006

Last NPPES UpdateSeptember 11, 2013

✔ NPI 1245398882 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · G55239

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

625 S FAIR OAKS AVE, Pasadena, CA 91105

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Other Names 1

Doing Business AsEng Medical Associates

Other Identifiers 2

MedicaidGR0048692CA

Medicare PINW10963BCA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Eng Medical Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Eng Medical Associates, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Calvin Eng, M.D.

Ophthalmology

NPI 1225039092

850 S ATLANTIC BLVD SUITE 301
Monterey Park, CA 91754

(626) 289-8260

✔ PECOS✔ Accepts Medicare5.9 mi

Andrew Chang, M.D.

Ophthalmology

NPI 1003808494

18350 ROSCOE BLVD SUITE 101
Northridge, CA 91325

(818) 349-8300

✔ PECOS✔ Accepts Medicare23 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 Eng And Chang Partnership's NPI number?

The NPI number for Eng And Chang Partnership is 1245398882. It was assigned to this organization in the NPPES registry on December 5, 2006. The provider is doing business as Eng Medical Associates.

Where is Eng And Chang Partnership located?

Eng And Chang Partnership is located at 625 S Fair Oaks Ave Suite 235, Pasadena, CA 91105. The listed phone number is (626) 796-7006.

What is Eng And Chang Partnership's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Eng And Chang Partnership enrolled in Medicare?

Yes. Eng And Chang Partnership is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eng And Chang Partnership?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Ophthalmology, reassign their Medicare billing to Eng And Chang Partnership. 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, 1 practice 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 Eng And Chang Partnership was last updated on September 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.