NPPES file of Aug 9, 2026

Marco Antonio Valdez Espinoza, M.D.

Internal Medicine Physician · Prescott, AZ

Marco Antonio Valdez Espinoza, M.D. is an internal medicine physician with a practice address in Prescott, Arizona, and NPI 1043833700, issued on May 28, 2020. Check the license (Arizona 71876, 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
1043833700
Name
Marco Antonio Valdez Espinoza
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
71876 AZ
Self-reported in NPPES; status is on the state search
Practice location
1003 Willow Creek RD, Prescott, AZ 86301
Phone
(920) 771-5470
Enumerated
May 28, 2020
Record last updated
Sep 10, 2024
Fax
(602) 406-5430
Medicare enrollment
Enrolled (PECOS I20240925000459); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 2024
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 internal medicine physician records → All 2,853 in Arizona → Look up another NPI →

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 Marco Antonio Valdez Espinoza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 71876    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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89% fewer Medicare Part D claims than the average internal medicine physician in 2024

350 Medicare Part D claims for 97 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Marco Valdez Espinoza350
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium26 claims
  2. Amoxicillin-Clavulanate Potass24 claims
  3. Hydrochlorothiazide19 claims
  4. Metoprolol Tartrate18 claims
  5. Amlodipine Besylate17 claims
  6. Pantoprazole Sodium16 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.

Bills Medicare through one group practice

  1. Naz Hospitalists IncPrescott, AZ

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

Marco Antonio Valdez Espinoza among 2,853 internal medicine physician records in Arizona

Marco Antonio Valdez Espinoza, M.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 81% of them.

  • NPI issued2020 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2024 · median 2003 among the 1,643 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

48 internal medicine physician records list a practice address in Prescott

They are 48 of the 1,818 NPPES records with a practice address in Prescott, and 2,853 internal medicine physician records in Arizona.

All 2,853 in Arizona → Every provider in Prescott → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Suzanne Allen, M.D.Prescott, AZ 863011649287574
  2. Hojat Askari, MDPrescott, AZ 863011326251695
  3. Robert Barker, MDPrescott, AZ 863011710924196
  4. Kristen Bendinger, M.D.Prescott, AZ 863011386935344
  5. Kamala Boast, D.O.Prescott, AZ 863011639219520
  6. Erik Contreras, MDPrescott, AZ 863011265708416
  7. Syamala Darira, M.D.Prescott, AZ 863011780784710
  8. Joseph Goldberger, MDPrescott, AZ 863011699784546

Common questions

What is Marco Antonio Valdez Espinoza, M.D.'s NPI number?

Marco Antonio Valdez Espinoza, M.D.'s National Provider Identifier (NPI) is 1043833700, issued on May 28, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Marco Antonio Valdez Espinoza, M.D. located?

The NPPES record lists a practice address at 1003 Willow Creek RD, Prescott, AZ, 86301. Phone: (920) 771-5470. Providers update this record themselves, so call before visiting.

How can I verify Marco Antonio Valdez Espinoza, M.D.'s license?

NPPES lists Arizona license number 71876, 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 Marco Antonio Valdez Espinoza, M.D. prescribe under Medicare Part D?

In 2024, Marco Antonio Valdez Espinoza, M.D. had 350 Medicare Part D claims for 97 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.