Gustavo Riffel, M.D.
Internal Medicine Physician · Phoenix, AZ
Gustavo Riffel, M.D. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1588068415, issued on Oct 21, 2014. Check the license (Arizona 54534, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gustavo Riffel
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 54534 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1107 E Bell RD, Phoenix, AZ 85022
- Phone
- (602) 567-4800
- Enumerated
- Oct 21, 2014
- Record last updated
- Sep 16, 2022
- Fax
- (602) 567-9939
- Medicaid ID
- 1588068415 CA
- Medicare enrollment
- Enrolled (PECOS I20180827003204); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1107 E Bell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maty Yakoby, MDInternal Medicine Physician1780065250
Verify Gustavo Riffel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 54534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,014 Medicare Part D claims for 798 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 215 claims were for opioids.
Most prescribed
- Atorvastatin Calcium622 claims
- Levothyroxine Sodium494 claims
- Rosuvastatin Calcium339 claims
- Metformin Hcl334 claims
- Lisinopril300 claims
- Amlodipine Besylate288 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.
Industry payments in 2024: $116.00
1 payment: education; the largest payer was Novo Nordisk Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Greater Phoenix Collaborative Care PCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gustavo Riffel among 2,853 internal medicine physician records in Arizona
Gustavo Riffel, 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 2014, is newer than 68% of them.
- NPI issued2014 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1990 · median 2003 among the 1,643 with a school on file
- 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).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Valarie Grogan, DOPhoenix, AZ 850221912085655
- Tequa Salehi-Rad, D.O.Phoenix, AZ 850221922143106
- Maty Yakoby, MDPhoenix, AZ 850221780065250
- Nedda Alemi, M.D.Phoenix, AZ 850231831458066
- Albert Asendorf, MDPhoenix, AZ 850211598960338
- Mohammad Wisam Baqdunes, M.D.Phoenix, AZ 850211124356779
- Anita Chacko, DOPhoenix, AZ 850211134784424
- Keith Cunningham, MDPhoenix, AZ 850211285796185
Common questions
What is Gustavo Riffel, M.D.'s NPI number?
Gustavo Riffel, M.D.'s National Provider Identifier (NPI) is 1588068415, issued on Oct 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gustavo Riffel, M.D. located?
The NPPES record lists a practice address at 1107 E Bell RD, Phoenix, AZ, 85022. Phone: (602) 567-4800. Providers update this record themselves, so call before visiting.
How can I verify Gustavo Riffel, M.D.'s license?
NPPES lists Arizona license number 54534, 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 Gustavo Riffel, M.D. prescribe under Medicare Part D?
In 2024, Gustavo Riffel, M.D. had 10,014 Medicare Part D claims for 798 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.