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MR. JEFFERY MILLIKEN CHEN-HARDING LCSW
NPI 1629215694
Social Worker - Clinical in San Francisco, CA

Active since January 13, 2009PECOS Enrolled
612 PRECITA AVE, SAN FRANCISCO, CA 94110(415) 318-9230 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 6, 2026, Jan 3, 2022, Apr 13, 2020 (3 updates tracked since 2020).

About Mr. Jeffery Milliken Chen-harding Lcsw NPPES

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

MR. JEFFERY MILLIKEN CHEN-HARDING LCSW (NPI 1629215694) is an individual clinical provider in San Francisco, California, licensed in California (LCS 24825) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629215694
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. JEFFERY MILLIKEN CHEN-HARDINGCredential: LCSW
Location Address612 PRECITA AVESan Francisco, CA 94110-4820
Mailing Address612 Precita AveSan Francisco, CA 94110-4820 · (415) 318-9230
Phone(415) 318-9230
Sole ProprietorNo
Enumeration DateJanuary 13, 2009
Last NPPES UpdateFebruary 6, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2026
✔ NPI 1629215694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCS 24825
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
612 PRECITA AVE, San Francisco, CA 94110
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Jeffery Milliken Chen-harding Lcsw 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 Jeffery Chen-harding reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
3.0 mi
Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1841373800 (415) 833-2200

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 94110 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
$0.00 typical visit price
range $69.00 – $202.35
Typical copayment $0.00 (range $17.25 – $50.58)
Most-billed visit code NA
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Jeffery Chen-harding's NPI number?

The NPI number for Jeffery Chen-harding is 1629215694. It was assigned to this individual provider in the NPPES registry on January 13, 2009.

Where is Jeffery Chen-harding located?

Jeffery Chen-harding practices at 612 Precita Ave, San Francisco, CA 94110. The listed phone number is (415) 318-9230.

What is Jeffery Chen-harding's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Jeffery Chen-harding enrolled in Medicare?

Yes. Jeffery Chen-harding is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jeffery Chen-harding's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffery Chen-harding reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, 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 Jeffery Chen-harding'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 Jeffery Chen-harding was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.