Marian Brock Andersen, DNP, FNP-BC
NPI 1346927365 · Endocrinology, Diabetes & Metabolism Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marian Brock Andersen, DNP, FNP-BC is a Endocrinology, Diabetes & Metabolism Physician provider in Phoenix, AZ (NPI 1346927365).
Provider details
- NPI number
- 1346927365
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- DNP, FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 294325 (AZ)
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 tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% 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 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 77 | 75 |
| Methylprednisolone | 74 | 66 |
| Meloxicam | 60 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 47 | 44 |
| Lisinopril | 39 | 17 |
| Fluticasone Propionate | 38 | 28 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 37 | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,902 across 110 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
- 2023-06-30
- Last updated
- 2025-04-25
- Certified
- 2025-04-25
Frequently asked questions
- What is Marian Brock Andersen's NPI number?
- Marian Brock Andersen's National Provider Identifier (NPI) is 1346927365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marian Brock Andersen's specialty?
- Marian Brock Andersen is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Marian Brock Andersen located?
- Marian Brock Andersen's practice location on file with NPPES is 502 E Thunderbird Trl, Phoenix, AZ 85042-8370.
- What is Marian Brock Andersen's phone number?
- The practice phone number listed in the NPPES registry for Marian Brock Andersen is (623) 243-3378.
- Does Marian Brock Andersen accept Medicare?
- Marian Brock Andersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marian Brock Andersen's NPI active?
- Yes — Marian Brock Andersen's NPI (1346927365) is active in the NPPES registry as of the last update on 2025-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.