NPPES file of Aug 9, 2026

Sergio Penaherrera, MD

Internal Medicine Physician · Yuma, AZ

Sergio Penaherrera, MD is an internal medicine physician with a practice address in Yuma, Arizona, and NPI 1538258744, issued on Oct 12, 2006. Check the license (Arizona 22887, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538258744
Name
Sergio Penaherrera
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
22887 AZ
Self-reported in NPPES; status is on the state search
Practice location
3800 W 24TH St, Yuma, AZ 85364
Phone
(928) 344-6450
Enumerated
Oct 12, 2006
Record last updated
Jan 3, 2025
Fax
(928) 344-6480
Medicaid ID
167090003 AZ
Medicare enrollment
Enrolled (PECOS I20091022000683); 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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Also registered at 3800 W 24TH St

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

  1. Maria Contreras, FNP-CFamily Nurse Practitioner1639826100
  2. Henry Florez, M.D.Internal Medicine Physician1356446454
  3. Michael Lau, PACMedical Physician Assistant1366531584
  4. Beatriz Rodriguez MenchacaNurse Practitioner1598591406
  5. Serge Samaha, MDInternal Medicine Physician1740955061
  6. Brandon West, MDInternal Medicine Physician1629770391

Verify Sergio Penaherrera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 22887
    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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3.1 times the Medicare Part D claims of the average internal medicine physician in 2024

9,840 Medicare Part D claims for 1,043 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Sergio Penaherrera9,840
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium619 claims
  2. Metformin Hcl524 claims
  3. Rosuvastatin Calcium407 claims
  4. Amlodipine Besylate392 claims
  5. Losartan Potassium323 claims
  6. Lisinopril316 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score83.6
  2. Costout of 100 · 30%57.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $477.55

26 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sergio Penaherrera$477.55
  2. Specialty average$1,303.06

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

One hospital affiliation

  1. Yuma Regional Medical CenterYuma, AZ · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Sergio Penaherrera among 2,853 internal medicine physician records in Arizona

Sergio Penaherrera, MD 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 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1988 · median 2003 among the 1,643 with a school on file
  • Record last updated2025 · 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).

46 internal medicine physician records list a practice address in Yuma

They are 46 of the 1,821 NPPES records with a practice address in Yuma, and 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rinely Aguiar-Olsen, M.D.Yuma, AZ 853641891786141
  2. Vishnu Bezwada, MBBSYuma, AZ 853641730178922
  3. Tapash Das, M.D.Yuma, AZ 853641538184072
  4. Renellie Debelen-Gonzales, MDYuma, AZ 853641194780627
  5. Rodolfo Gonzales, MDYuma, AZ 853641174587364
  6. Adrienne Gutierrez, MDYuma, AZ 853641346286457
  7. Adarsh Luthra, M.D.Yuma, AZ 853641821086877
  8. Bharat Magu, MDYuma, AZ 853641447245352

Common questions

What is Sergio Penaherrera, MD's NPI number?

Sergio Penaherrera, MD's National Provider Identifier (NPI) is 1538258744, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sergio Penaherrera, MD located?

The NPPES record lists a practice address at 3800 W 24TH St, Yuma, AZ, 85364. Phone: (928) 344-6450. Providers update this record themselves, so call before visiting.

How can I verify Sergio Penaherrera, MD's license?

NPPES lists Arizona license number 22887, 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 Sergio Penaherrera, MD prescribe under Medicare Part D?

In 2024, Sergio Penaherrera, MD had 9,840 Medicare Part D claims for 1,043 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Sergio Penaherrera, MD's MIPS final score?

The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.