NPPES file of Aug 9, 2026

Marian Brock Andersen, DNP, FNP-BC

Endocrinology, Diabetes & Metabolism Physician · Phoenix, AZ

Marian Brock Andersen, DNP, FNP-BC is an endocrinology, diabetes & metabolism physician with a practice address in Phoenix, Arizona, and NPI 1346927365, issued on Jun 30, 2023. Check the license (Arizona 294325, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346927365
Name
Marian Brock Andersen
Credential
DNP, FNP-BC
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
294325 AZ
Self-reported in NPPES; status is on the state search
Practice location
502 E Thunderbird Trl, Phoenix, AZ 85042
Phone
(623) 243-3378
Enumerated
Jun 30, 2023
Record last updated
Apr 25, 2025
Medicare enrollment
Enrolled (PECOS I20231023003580); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest endocrinology, diabetes & metabolism physician records → All 175 in Arizona → Look up another NPI →

Verify Marian Brock Andersen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 294325    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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44% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,460 Medicare Part D claims for 413 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. 46 claims were for opioids.

  1. Marian Brock Andersen1,460
  2. Specialty average2,630

Most prescribed

  1. Azithromycin77 claims
  2. Methylprednisolone74 claims
  3. Meloxicam60 claims
  4. Amoxicillin-Clavulanate Potass47 claims
  5. Lisinopril39 claims
  6. Fluticasone Propionate38 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,901.76

110 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marian Brock Andersen$1,901.76
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Corner Health Medical Group P APhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marian Brock Andersen among 175 endocrinology, diabetes & metabolism physician records in Arizona

Marian Brock Andersen, DNP, FNP-BC is one of 175 endocrinology, diabetes & metabolism physician records with a practice address in Arizona. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 94% of them.

  • NPI issued2023 · 94% of these records are older, 2% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2023 · median 2005 among the 107 with a school on file
  • Record last updated2025 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Arizona

There are 175 endocrinology, diabetes & metabolism physician records in Arizona.

All 175 in Arizona → Every provider in Phoenix → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Jayanthi Suppiah, M.D.Phoenix, AZ 850371982639498
  2. Rtika Abraham, MDPhoenix, AZ 850501689803173
  3. Kari Brown, MDPhoenix, AZ 850501295987089
  4. Lory Baraz, M.D.Phoenix, AZ 850321790780393
  5. Dineshkumar Patel, MDPhoenix, AZ 850321396739785
  6. Yasmin Akhunji, M.D.Phoenix, AZ 850531790918738
  7. Srividya Ariyan, M.D.Phoenix, AZ 850531740483619
  8. Hyun-Suk Chong, MDPhoenix, AZ 850531558354100

Common questions

What is Marian Brock Andersen, DNP, FNP-BC's NPI number?

Marian Brock Andersen, DNP, FNP-BC's National Provider Identifier (NPI) is 1346927365, issued on Jun 30, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Marian Brock Andersen, DNP, FNP-BC located?

The NPPES record lists a practice address at 502 E Thunderbird Trl, Phoenix, AZ, 85042. Phone: (623) 243-3378. Providers update this record themselves, so call before visiting.

How can I verify Marian Brock Andersen, DNP, FNP-BC's license?

NPPES lists Arizona license number 294325, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marian Brock Andersen, DNP, FNP-BC prescribe under Medicare Part D?

In 2024, Marian Brock Andersen, DNP, FNP-BC had 1,460 Medicare Part D claims for 413 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.