NPPES file of Aug 9, 2026

Franco Castro-Marin, M.D.

Emergency Medicine Physician · Scottsdale, AZ

Franco Castro-Marin, M.D. is an emergency medicine physician with a practice address in Scottsdale, Arizona, and NPI 1437376159, issued on Apr 20, 2007. Check the license (Arizona 36910, 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
1437376159
Name
Franco Castro-Marin
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
36910 AZ
44843 CO
Self-reported in NPPES; status is on the state search
Practice location
7400 E Osborn RD, Scottsdale, AZ 85251
Phone
(480) 882-4809
Enumerated
Apr 20, 2007
Record last updated
Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7400 E Osborn RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashley Abell, MSN, RN, FNP-CNurse Practitioner1679041099
  2. Marwah Ahmad, DOInternal Medicine Physician1053056440
  3. Aws Al-AbdullahEmergency Medicine Physician1770945545
  4. Stuart Alt, M.D.Personal Emergency Response Attendant1760445639
  5. Stephen Andersen, M.D.Personal Emergency Response Attendant1750343307
  6. Melissa Atkinson, AG-ACNPAcute Care Nurse Practitioner1457896482

Verify Franco Castro-Marin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 36910
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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15% fewer Medicare Part D claims than the average emergency medicine physician in 2024

193 Medicare Part D claims for 145 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 42 claims were for opioids.

  1. Franco Castro-Marin193
  2. Specialty average226

Most prescribed

  1. Cephalexin22 claims
  2. Hydrocodone-Acetaminophen20 claims
  3. Azithromycin14 claims
  4. Prednisone14 claims
  5. Tramadol Hcl11 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: $389.66

3 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Franco Castro-Marin$389.66
  2. Specialty average$953.79

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

Franco Castro-Marin among 1,494 emergency medicine physician records in Arizona

Franco Castro-Marin, M.D. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.

  • NPI issued2007 · 38% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2021 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Arizona

There are 1,494 emergency medicine physician records in Arizona.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Michael Bundschuh, DOScottsdale, AZ 852511487627634
  2. Christopher Courtney, MDScottsdale, AZ 852511932313020
  3. Charles Finch, D.O.Scottsdale, AZ 852511942250485
  4. David Guttman, M.D.Scottsdale, AZ 852511841261468
  5. Michael Jonas, M.D.Scottsdale, AZ 852511588865802
  6. Christopher Marcuzzo, M.D.Scottsdale, AZ 852511568411098
  7. Glen McCracken, M.D.Scottsdale, AZ 852511891745253
  8. Matthew Nichols, DOScottsdale, AZ 852511700082260

Common questions

What is Franco Castro-Marin, M.D.'s NPI number?

Franco Castro-Marin, M.D.'s National Provider Identifier (NPI) is 1437376159, issued on Apr 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Franco Castro-Marin, M.D. located?

The NPPES record lists a practice address at 7400 E Osborn RD, Scottsdale, AZ, 85251. Phone: (480) 882-4809. Providers update this record themselves, so call before visiting.

How can I verify Franco Castro-Marin, M.D.'s license?

NPPES lists Arizona license number 36910, 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 Franco Castro-Marin, M.D. prescribe under Medicare Part D?

In 2024, Franco Castro-Marin, M.D. had 193 Medicare Part D claims for 145 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.

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.