Hugo Alejandro Rivadeneyra Pasten, MD
Endocrinology, Diabetes & Metabolism Physician · Ames, IA
Hugo Alejandro Rivadeneyra Pasten, MD is an endocrinology, diabetes & metabolism physician with a practice address in Ames, Iowa, and NPI 1962766980, issued on Jun 25, 2012. Check the license (Iowa 44311, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Hugo Alejandro Rivadeneyra Pasten
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 44311 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1015 Duff Avenue, Ames, IA 50010
- Phone
- (515) 239-4440
- Enumerated
- Jun 25, 2012
- Record last updated
- Jan 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (515) 239-4420
- Medicare enrollment
- Enrolled (PECOS I20170714002606); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 52 in Iowa → Look up another NPI →
Also registered at 1015 Duff Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hugo Alejandro Rivadeneyra Pasten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 44311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
5,112 Medicare Part D claims for 516 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Ozempic566 claims
- Levothyroxine Sodium401 claims
- Jardiance381 claims
- Metformin Hcl293 claims
- Lantus Solostar291 claims
- Glimepiride249 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: $17.20
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Mcfarland Clinic PCAmes, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hugo Alejandro Rivadeneyra Pasten among 52 endocrinology, diabetes & metabolism physician records in Iowa
Hugo Alejandro Rivadeneyra Pasten, MD is one of 52 endocrinology, diabetes & metabolism physician records with a practice address in Iowa. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 62% of them.
- NPI issued2012 · 62% of these records are older, 37% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2008 · median 2003 among the 38 with a school on file
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Iowa
There are 52 endocrinology, diabetes & metabolism physician records in Iowa.
All 52 in Iowa → Every provider in Ames → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Rami Almokayyad, MDAmes, IA 500101194929786
- Richard Carano, MDAmes, IA 500101518954502
- Adrian Gonzalez Gil, M.D.Ames, IA 500101811570179
- Anuj Bhargava, MDWest Des Moines, IA 502661669563052
- Aaron Wasson, MDDes Moines, IA 503091114378676
- Pearl Dy, M.D.Des Moines, IA 503141134396021
- Gurbir Gill, MDDes Moines, IA 503141891178521
- Nancy Kane, MDDes Moines, IA 503141376634766
Common questions
What is Hugo Alejandro Rivadeneyra Pasten, MD's NPI number?
Hugo Alejandro Rivadeneyra Pasten, MD's National Provider Identifier (NPI) is 1962766980, issued on Jun 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Hugo Alejandro Rivadeneyra Pasten, MD located?
The NPPES record lists a practice address at 1015 Duff Avenue, Ames, IA, 50010. Phone: (515) 239-4440. Providers update this record themselves, so call before visiting.
How can I verify Hugo Alejandro Rivadeneyra Pasten, MD's license?
NPPES lists Iowa license number 44311, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hugo Alejandro Rivadeneyra Pasten, MD prescribe under Medicare Part D?
In 2024, Hugo Alejandro Rivadeneyra Pasten, MD had 5,112 Medicare Part D claims for 516 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.