JAMES J SONG MD PROFESSIONAL CORP
NPI 1700997277
Ophthalmology in Fremont, CA

Q: What is James J Song MD Professional Corp's NPI number?

The NPI number for James J Song MD Professional Corp is 1700997277. It was assigned to this organization in the NPPES registry on August 31, 2006.

Q: What is James J Song MD Professional Corp's specialty?

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

Active since August 31, 2006

2299 MOWRY AVE, SUITE 3A, FREMONT, CA 94538(510) 713-9898(510) 280-7279 Get Directions Write a Review

NPPES record last updated: April 18, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About James J Song Md Professional Corp NPPES

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

JAMES J SONG MD PROFESSIONAL CORP (NPI 1700997277) is a healthcare organization registered as an ophthalmology in Fremont, California and active in the NPI registry since August 2006. The organization lists Linda Duan, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1700997277

Entity TypeOrganization

Primary Taxonomy207W00000X

Legal Business NameJAMES J SONG MD PROFESSIONAL CORP

Location Address2299 MOWRY AVE, SUITE 3AFremont, CA 94538

Mailing Address2299 Mowry Ave, Suite 3aFremont, CA 94538 · (510) 713-9898 · Fax (510) 280-7279

Phone(510) 713-9898

Fax(510) 280-7279

Organization SubpartNo

Authorized OfficialLinda DuanOffice Manager · (510) 713-9898

Enumeration DateAugust 31, 2006

Last NPPES UpdateApril 18, 2017

✔ NPI 1700997277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · AO68524

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.

2299 MOWRY AVE, Fremont, CA 94538

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Other Identifiers 3

Medicare ID-Type Unspecified00A685240CA

Medicaid00A685240CA

Medicare UPING90775CA

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)

James J Song Md Professional Corp 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 James J Song MD Professional Corp, which bills Medicare for the services this clinician delivers.

Clinician (1)

James Song, M.D.

Ophthalmology

NPI 1245341700

2299 MOWRY AVE SUITE 3A
Fremont, CA 94538

(510) 713-9898

✔ PECOS✔ Accepts MedicareSame address

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 James J Song MD Professional Corp's NPI number?

The NPI number for James J Song MD Professional Corp is 1700997277. It was assigned to this organization in the NPPES registry on August 31, 2006.

Where is James J Song MD Professional Corp located?

James J Song MD Professional Corp is located at 2299 Mowry Ave Suite 3A, Fremont, CA 94538. The listed phone number is (510) 713-9898.

What is James J Song MD Professional Corp's specialty?

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

Is James J Song MD Professional Corp enrolled in Medicare?

Yes. James J Song MD Professional Corp is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through James J Song MD Professional Corp?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to James J Song MD Professional Corp. 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 James J Song MD Professional Corp was last updated on April 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.