Daisy-Scarlett Maccallum, M.D
NPI 1508120924 · Family Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daisy-Scarlett Maccallum, M.D is a Family Medicine Physician provider in Walnut Creek, CA (NPI 1508120924).
Provider details
- NPI number
- 1508120924
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD61221098 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
721 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 307 | $106 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 216 | $72 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 122 | $150 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 31 | $118 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 28 | $179 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 21,638 | 21,558 |
| Varicella-Zoster Ge/As01b/Pfbrand: Shingrix | 19,869 | 14,845 |
| Diphth,pertuss(acell),tet Vacbrand: Boostrix Tdap | 12,465 | 12,441 |
| Rsv Vacc, Pref a and Pref B/Pfbrand: Abrysvo | 7,869 | 7,850 |
| Hepatitis a and B Vaccine/Pfbrand: Twinrix | 385 | 267 |
| Hepatitis a Virus Vaccine/Pfbrand: Havrix | 218 | 202 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$634 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-29
- Last updated
- 2025-03-26
- Certified
- 2025-03-26
Frequently asked questions
- What is Daisy-Scarlett Maccallum's NPI number?
- Daisy-Scarlett Maccallum's National Provider Identifier (NPI) is 1508120924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daisy-Scarlett Maccallum's specialty?
- Daisy-Scarlett Maccallum is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daisy-Scarlett Maccallum located?
- Daisy-Scarlett Maccallum's practice location on file with NPPES is 1450 Treat Blvd # 160, Walnut Creek, CA 94597.
- What is Daisy-Scarlett Maccallum's phone number?
- The practice phone number listed in the NPPES registry for Daisy-Scarlett Maccallum is (925) 296-9000.
- Does Daisy-Scarlett Maccallum accept Medicare?
- Daisy-Scarlett Maccallum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daisy-Scarlett Maccallum's NPI active?
- Yes — Daisy-Scarlett Maccallum's NPI (1508120924) is active in the NPPES registry as of the last update on 2025-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.