Diana Miller, D.O.
NPI 1407204969 · Family Medicine Physician · Oceanside, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Miller, D.O. is a Family Medicine Physician provider in Oceanside, CA (NPI 1407204969).
Provider details
- NPI number
- 1407204969
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 185 | 51 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 154 | 15 |
| Lisinopril | 138 | 30 |
| Amlodipine Besylate | 112 | 33 |
| Gabapentin | 100 | 16 |
| Losartan Potassium | 87 | 19 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,991 across 111 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
- 2016-05-25
- Last updated
- 2024-11-18
- Certified
- 2024-11-18
Frequently asked questions
- What is Diana Miller's NPI number?
- Diana Miller's National Provider Identifier (NPI) is 1407204969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Miller's specialty?
- Diana Miller is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Miller located?
- Diana Miller's practice location on file with NPPES is 517 N Horne St, Oceanside, CA 92054-2518.
- What is Diana Miller's phone number?
- The practice phone number listed in the NPPES registry for Diana Miller is (760) 631-5000.
- Does Diana Miller accept Medicare?
- Diana Miller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Miller's NPI active?
- Yes — Diana Miller's NPI (1407204969) is active in the NPPES registry as of the last update on 2024-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.