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DR. JUSTINE SHUM M.D.
NPI 1730592437
Internal Medicine - Rheumatology in Novato, CA

Active since June 10, 2014PECOS Enrolled
75 ROWLAND WAY STE 101, NOVATO, CA 94945(415) 464-9604 Get Directions Write a Review

NPPES record last updated: January 29, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 29, 2022, Sep 11, 2019 (2 updates tracked since 2019).

About Dr. Justine Shum M.d. NPPES

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

DR. JUSTINE SHUM M.D. (NPI 1730592437) is an individual rheumatology provider in Novato, California, licensed in California (A163211) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730592437
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. JUSTINE SHUMCredential: M.D.
Location Address75 ROWLAND WAY STE 101Novato, CA 94945-5057
Mailing Address75 Rowland Way Ste 101Novato, CA 94945-5057 · (415) 464-9604
Phone(415) 464-9604
Sole ProprietorNo
Enumeration DateJune 10, 2014
Last NPPES UpdateJanuary 29, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 29, 2022
✔ NPI 1730592437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · A163211
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
75 ROWLAND WAY STE 101, Novato, CA 94945
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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)

Dr. Justine Shum M.d. 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 Reassignments

2

Medicare enrollment records show Justine Shum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Telehealth Specialty Medical Group
85 mi
Emergency Medicine
3400 DOUGLAS BLVD STE 225
Roseville, CA 95661
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Telemedicine Group PC
  • 205 clinicians in this Medicare group
NPI 1326338237 (916) 740-3721
Confermed Of California PC
404 mi
Internal Medicine
101 ACADEMY STE 100
Irvine, CA 92617
  • Reassigned Medicare billing, California enrollment
  • 118 clinicians in this Medicare group
NPI 1316584709 (860) 323-0172

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 94945 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
$154.04 typical visit price
range $69.07 – $202.63
Typical copayment $38.51 (range $17.26 – $50.65)
Most-billed visit code 99204
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
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.

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 Justine Shum's NPI number?

The NPI number for Justine Shum is 1730592437. It was assigned to this individual provider in the NPPES registry on June 10, 2014.

Where is Justine Shum located?

Justine Shum practices at 75 Rowland Way Ste 101, Novato, CA 94945. The listed phone number is (415) 464-9604.

What is Justine Shum's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Justine Shum enrolled in Medicare?

Yes. Justine Shum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Justine Shum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justine Shum reassigns Medicare benefits to 2 organizations: Telehealth Specialty Medical Group (Roseville, CA) and Confermed Of California PC (Irvine, CA). Each 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 Justine Shum'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 Justine Shum was last updated on January 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.