MS. SONG CHEN NP
NPI 1659855005
Nurse Practitioner - Family in Hayward, CA

Q: What is Song Chen's NPI number?

The NPI number for Song Chen is 1659855005. It was assigned to this individual provider in the NPPES registry on September 21, 2018.

Q: What is Song Chen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Song Chen was last updated on June 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since September 21, 2018PECOS Enrolled

27206 CALAROGA AVE, 205, HAYWARD, CA 94545(510) 670-1111(510) 670-4772 Get Directions Write a Review

NPPES record last updated: June 26, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 26, 2024, Apr 19, 2022, Sep 21, 2018 (3 updates tracked since 2018).

On this page

About Ms. Song Chen Np NPPES

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

MS. SONG CHEN NP (NPI 1659855005) is an individual family provider in Hayward, California, licensed in California (95009973) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659855005

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMS. SONG CHENCredential: NP

Location Address27206 CALAROGA AVE, 205Hayward, CA 94545-4300

Mailing Address1532 150th AveSan Leandro, CA 94578-1823 · (510) 351-6363 · Fax (510) 278-3757

Phone(510) 670-1111

Fax(510) 670-4772

Sole ProprietorNo

Enumeration DateSeptember 21, 2018

Last NPPES UpdateJune 26, 20243 updates tracked since enumeration

NPPES CertifiedJune 26, 2024

✔ NPI 1659855005 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · 95009973

27206 CALAROGA AVE, Hayward, CA 94545

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Song Chen Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Song Chen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dr Aditya Jain MD Inc

5.6 mi

Internal Medicine

1532 150TH AVE
San Leandro, CA 94578

Reassigned Medicare billing, California enrollment
9 clinicians in this Medicare group

NPI 1629405618 (510) 351-6363

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 94545 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

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 20

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

GERALD HLA MYINT M.D.

Internal Medicine

27206 CALAROGA AVE, SUITE 205
HAYWARD, CA 94545

Alameda County (510) 670-1111

ROBERT D. ROWLEY, M.D., INC.

Clinic/Center (Primary Care)

27206 CALAROGA AVE, SUITE # 207
HAYWARD, CA 94545

Alameda County (510) 887-4711

VASILIKI ECONOMOU M.D.

Psychiatry & Neurology (Neurology)

27206 CALAROGA AVE, SUITE 104
HAYWARD, CA 94545

Alameda County (510) 783-7891

GOPALA RAO KOLLURU M.D.

Internal Medicine (Cardiovascular Disease)

27206 CALAROGA AVE, SUITE 207
HAYWARD, CA 94545

Alameda County (510) 797-5057

MAINA R SHETTY MD INC

Internal Medicine

27206 CALAROGA AVE, 203
HAYWARD, CA 94545

Alameda County (510) 782-7111

DR. MICHAEL J MARCHIANO MD

Internal Medicine

27206 CALAROGA AVE, STE 205
HAYWARD, CA 94545

Alameda County (510) 670-1111

MISSION PEAK ORTHOPAEDIC MEDICAL GROUP INC.

Orthopaedic Surgery

27206 CALAROGA AVE, SUITE 107
HAYWARD, CA 94545

Alameda County (510) 300-9898

DR. DARREL BRENT KEYSER MD

Surgery (Surgery of the Hand)

27206 CALAROGA AVE, SUITE 115
HAYWARD, CA 94545

Alameda County (510) 259-1201

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 Song Chen's NPI number?

The NPI number for Song Chen is 1659855005. It was assigned to this individual provider in the NPPES registry on September 21, 2018.

Where is Song Chen located?

Song Chen practices at 27206 Calaroga Ave 205, Hayward, CA 94545. The listed phone number is (510) 670-1111.

What is Song Chen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Song Chen enrolled in Medicare?

Yes. Song Chen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Song Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Song Chen reassigns Medicare benefits to Dr Aditya Jain MD Inc (San Leandro, CA). The 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 Song Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Song Chen was last updated on June 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.