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STUART MALCOLM M.D.
NPI 1124472055
Internal Medicine in San Francisco, CA

Active since April 18, 2016PECOS Enrolled
2261 MARKET ST # 10535, SAN FRANCISCO, CA 94114(408) 508-4163(888) 789-1402 Get Directions Write a Review

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

Record update history: Aug 20, 2021, Oct 8, 2019 (2 updates tracked since 2019).

About Stuart Malcolm M.d. NPPES

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

STUART MALCOLM M.D. (NPI 1124472055) is an individual internal medicine provider in San Francisco, California, licensed in California (A159926) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1124472055
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTUART MALCOLMCredential: M.D.
Location Address2261 MARKET ST # 10535San Francisco, CA 94114-1612
Mailing Address2261 Market St # 10535San Francisco, CA 94114-1612 · (408) 508-4163 · Fax (888) 789-1402
Phone(408) 508-4163
Fax(888) 789-1402
Sole ProprietorYes
Enumeration DateApril 18, 2016
Last NPPES UpdateNovember 25, 20242 updates tracked since enumeration
NPPES CertifiedNovember 25, 2024
✔ NPI 1124472055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A159926
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2261 MARKET ST # 10535, San Francisco, CA 94114
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Secondary Practice Location 1

Location 16036 SE 40th AvePortland, OR 97202-7616 · Phone (770) 687-7654

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stuart Malcolm 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 Stuart Malcolm reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Healthright 360
1.0 mi
Community/Behavioral Health
1563 MISSION ST, 1ST, 3RD, AND 4TH FLOOR
San Francisco, CA 94103
  • Reassigned Medicare billing, California enrollment
  • 76 clinicians in this Medicare group
NPI 1467988691 (415) 762-3700
Openloop Healthcare Partners PC
1,551 mi
General Practice
317 6TH AVE STE 400
Des Moines, IA 50309
  • Reassigned Medicare billing, Oregon enrollment
  • 34 clinicians in this Medicare group
NPI 1245820661 (573) 286-7212

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 94114 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
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

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

MS. LESLIE E CONNER ARNP, RN, LMP, IFMCP
Nurse Practitioner (Family)
2261 MARKET ST # 10535
SAN FRANCISCO, CA 94114
San Francisco County (408) 508-4163

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 Stuart Malcolm's NPI number?

The NPI number for Stuart Malcolm is 1124472055. It was assigned to this individual provider in the NPPES registry on April 18, 2016.

Where is Stuart Malcolm located?

Stuart Malcolm practices at 2261 Market St # 10535, San Francisco, CA 94114. The listed phone number is (408) 508-4163.

What is Stuart Malcolm's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Stuart Malcolm enrolled in Medicare?

Yes. Stuart Malcolm is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stuart Malcolm's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stuart Malcolm reassigns Medicare benefits to 2 organizations: Healthright 360 (San Francisco, CA) and Openloop Healthcare Partners PC (Des Moines, IA). 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 Stuart Malcolm'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 Stuart Malcolm was last updated on November 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.