NPPES file of Aug 9, 2026

Mark D. Lopez, MD

Emergency Medical Services (Emergency Medicine) Physician · Prescott, AZ

Mark D. Lopez, MD is an emergency medical services (emergency medicine) physician with a practice address in Prescott, Arizona, and NPI 1518922079, issued on Apr 19, 2006. Check the license (Arizona 29284, 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
1518922079
Name
Mark D. Lopez
Credential
MD
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
29284 AZ
Self-reported in NPPES; status is on the state search
Practice location
1003 Willow Creek RD, Prescott, AZ 86301
Phone
(928) 445-2700
Enumerated
Apr 19, 2006
Record last updated
Jul 13, 2026
Medicaid ID
596489 AZ
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 1003 Willow Creek RD

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

  1. Suzanne Allen, M.D.Internal Medicine Physician1649287574
  2. Larry Anderson, R.PH.Pharmacist1780619106
  3. Zachary Archer, CCPPerfusionist1427500107
  4. James Arocho, MDAnatomic Pathology & Clinical Pathology Physician1205815966
  5. Michael Arroyo, MDAnatomic Pathology & Clinical Pathology Physician1427022284
  6. Joanna AugheComputed Tomography Radiologic Technologist1568246965

Verify Mark D. Lopez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 29284
    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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49% more Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

435 Medicare Part D claims for 299 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 67 claims were for opioids.

  1. Mark Lopez435
  2. Specialty average292

Most prescribed

  1. Prednisone43 claims
  2. Ondansetron Odt40 claims
  3. Oxycodone-Acetaminophen34 claims
  4. Doxycycline Monohydrate24 claims
  5. Amoxicillin-Clavulanate Potass20 claims
  6. Oxycodone Hcl18 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.

Mark D. Lopez among 58 emergency medical services (emergency medicine) physician records in Arizona

Mark D. Lopez, MD is one of 58 emergency medical services (emergency medicine) physician records with a practice address in Arizona. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 41% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medical Services (Emergency Medicine) Physician providers in Arizona

There are 58 emergency medical services (emergency medicine) physician records in Arizona.

The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes

  1. Martin Dekort, MDPrescott, AZ 863011154370732
  2. Matthew Frankel, MDPrescott, AZ 863011518922830
  3. Patrick Gallus, DOPrescott, AZ 863011902861479
  4. Andrew Garff, MDPrescott, AZ 863011487604559
  5. Robert Kec, MDPrescott, AZ 863011891750113
  6. Christopher Lampe, MDPrescott, AZ 863011780633487
  7. William Resnick, DOPrescott, AZ 863011609831908
  8. Andrew Rounseville, MDPrescott, AZ 863011508815192

Common questions

What is Mark D. Lopez, MD's NPI number?

Mark D. Lopez, MD's National Provider Identifier (NPI) is 1518922079, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark D. Lopez, MD located?

The NPPES record lists a practice address at 1003 Willow Creek RD, Prescott, AZ, 86301. Phone: (928) 445-2700. Providers update this record themselves, so call before visiting.

How can I verify Mark D. Lopez, MD's license?

NPPES lists Arizona license number 29284, 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 Mark D. Lopez, MD prescribe under Medicare Part D?

In 2024, Mark D. Lopez, MD had 435 Medicare Part D claims for 299 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.