Alberto M. Guerrero, M.D.
Internal Medicine Physician · Scottsdale, AZ
Alberto M. Guerrero, M.D. is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1427066570, issued on Aug 4, 2006. Check the license (Arizona 28656, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alberto M. Guerrero
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 28656 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 7400 E Thompson Peak Pkwy, Scottsdale, AZ 85255
- Phone
- (480) 630-6688
- Enumerated
- Aug 4, 2006
- Record last updated
- Aug 19, 2022
- Fax
- (480) 429-8480
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 7400 E Thompson Peak Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alberto M. Guerrero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 28656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,269 Medicare Part D claims for 197 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium56 claims
- Rosuvastatin Calcium55 claims
- Lisinopril50 claims
- Levothyroxine Sodium49 claims
- Amlodipine Besylate48 claims
- Allopurinol43 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.
Alberto M. Guerrero among 2,853 internal medicine physician records in Arizona
Alberto M. Guerrero, 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 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 fileNo · 58% of these records are
- Record last updated2022 · 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).
344 internal medicine physician records list a practice address in Scottsdale
They are 344 of the 11,008 NPPES records with a practice address in Scottsdale, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Scottsdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Harjinder Bal, MDScottsdale, AZ 852551912182221
- Jason Buchwald, M.D.Scottsdale, AZ 852551285675439
- John Carroll, MDScottsdale, AZ 852551063468932
- Efren Casanova, M.D.Scottsdale, AZ 852551184717704
- Gina Conflitti, M.D.Scottsdale, AZ 852551134251408
- Diana Koss, MDScottsdale, AZ 852551952353807
- Gwendoline Ladha, MDScottsdale, AZ 852551770510430
- Eleanor Mariano, M.D.Scottsdale, AZ 852551588616734
Common questions
What is Alberto M. Guerrero, M.D.'s NPI number?
Alberto M. Guerrero, M.D.'s National Provider Identifier (NPI) is 1427066570, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alberto M. Guerrero, M.D. located?
The NPPES record lists a practice address at 7400 E Thompson Peak Pkwy, Scottsdale, AZ, 85255. Phone: (480) 630-6688. Providers update this record themselves, so call before visiting.
How can I verify Alberto M. Guerrero, M.D.'s license?
NPPES lists Arizona license number 28656, 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 Alberto M. Guerrero, M.D. prescribe under Medicare Part D?
In 2024, Alberto M. Guerrero, M.D. had 1,269 Medicare Part D claims for 197 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.