NPPES file of Aug 9, 2026

Gustavo Andres Monteros Proano, MD

Internal Medicine Physician · Milford, DE

Gustavo Andres Monteros Proano, MD is an internal medicine physician with a practice address in Milford, Delaware, and NPI 1013694207, issued on Jun 29, 2023. Check the license (Delaware C1-0028795, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; 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
1013694207
Name
Gustavo Andres Monteros Proano
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
C1-0028795 DE
Self-reported in NPPES; status is on the state search
Practice location
100 Wellness Way, Milford, DE 19963
Phone
(302) 612-3915
Enumerated
Jun 29, 2023
Record last updated
Jun 25, 2026
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 100 Wellness Way

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

  1. Robert Argo, PAPhysician Assistant1548154594
  2. Mohammad Arsalan, M.DHospitalist Physician1063965630
  3. Emmanuel AsarePharmacist1255113320
  4. Immad Attique, MDInternal Medicine Physician1780246728
  5. Anupam Baral, MDInternal Medicine Physician1679102123
  6. Andrea Bishop, PA-CPhysician Assistant1861048274

Verify Gustavo Andres Monteros Proano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C1-0028795
    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 Delaware license search

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

217 Medicare Part D claims for 91 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Gustavo Monteros Proano217
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium27 claims
  2. Amlodipine Besylate19 claims
  3. Atorvastatin Calcium17 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.

Gustavo Andres Monteros Proano among 600 internal medicine physician records in Delaware

Gustavo Andres Monteros Proano, MD is one of 600 internal medicine physician records with a practice address in Delaware. 83% 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 89% of them.

  • NPI issued2023 · 89% of these records are older, 6% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2026 · 49% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

76 internal medicine physician records list a practice address in Milford

They are 76 of the 713 NPPES records with a practice address in Milford, and 600 internal medicine physician records in Delaware.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ben Hur Aguilar, M.D.Milford, DE 199631740475649
  2. Joseph Deutsch, M.D.Milford, DE 199631568596039
  3. Cesar Diaz-Marquez, M.D.Milford, DE 199631699208694
  4. Martin Golding, M.D.Milford, DE 199631558366633
  5. Joshua McAfee, M.DMilford, DE 199631972856250
  6. Adrian Morris, MDMilford, DE 199631447326327
  7. Robert Rolfes, M.D.Milford, DE 199631306864764
  8. Muhammad Tahir, MDMilford, DE 199631699146928

Common questions

What is Gustavo Andres Monteros Proano, MD's NPI number?

Gustavo Andres Monteros Proano, MD's National Provider Identifier (NPI) is 1013694207, issued on Jun 29, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Gustavo Andres Monteros Proano, MD located?

The NPPES record lists a practice address at 100 Wellness Way, Milford, DE, 19963. Phone: (302) 612-3915. Providers update this record themselves, so call before visiting.

How can I verify Gustavo Andres Monteros Proano, MD's license?

NPPES lists Delaware license number C1-0028795, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gustavo Andres Monteros Proano, MD prescribe under Medicare Part D?

In 2024, Gustavo Andres Monteros Proano, MD had 217 Medicare Part D claims for 91 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.

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.