DR. DAISY-SCARLETT MACCALLUM M.D
NPI 1508120924
Family Medicine in Walnut Creek, CA
About Dr. Daisy-scarlett Maccallum M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAISY-SCARLETT MACCALLUM M.D (NPI 1508120924) is an individual family medicine provider in Walnut Creek, California, licensed in California (A149181) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Daisy-scarlett Maccallum M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
29Medicare enrollment records show Daisy-scarlett Maccallum reassigns Medicare billing to 29 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Antioch, CA 94509
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Galen Inpatient Physicians PC
- 962 clinicians in this Medicare group
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 182 clinicians in this Medicare group
Sonoma, CA 95476
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 314 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Lake Havasu City, AZ 86403
- Reassigned Medicare billing, Arizona enrollment
- 240 clinicians in this Medicare group
Cedar Rapids, IA 52403
- Reassigned Medicare billing, Minnesota enrollment
- 2 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Illinois enrollment
- 419 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94597 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94597
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 Daisy-scarlett Maccallum's NPI number?
The NPI number for Daisy-scarlett Maccallum is 1508120924. It was assigned to this individual provider in the NPPES registry on June 29, 2012.
Where is Daisy-scarlett Maccallum located?
Daisy-scarlett Maccallum practices at 1450 Treat Blvd # 160, Walnut Creek, CA 94597. The listed phone number is (925) 296-9000.
What is Daisy-scarlett Maccallum's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Daisy-scarlett Maccallum enrolled in Medicare?
Yes. Daisy-scarlett Maccallum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Daisy-scarlett Maccallum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daisy-scarlett Maccallum reassigns Medicare benefits to 29 organizations: Galen Inpatient Physician Inc. (Antioch, CA), Permanente Medical Group Inc (Richmond, CA), Vituity Hospitalists PC (San Francisco, CA), Sv Hospitalist Medical Group Inc (Sonoma, CA), El Camino Health Medical Network, LLC (San Jose, CA) and 24 more organizations, listed in the Medicare section above. 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 Daisy-scarlett Maccallum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daisy-scarlett Maccallum accept?
Health plans from CHRISTUS Health Plan, Cigna HealthCare of Arizona, Inc and Providence Health Plan list Daisy-scarlett Maccallum as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Daisy-scarlett Maccallum was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.