NPI registry status
Active
2026 NPPES data Surgery Physician NPI 1265936256 MD
Verify on CMS → Alejandro Oliu, MD
Surgery Physician in Mankato, Minnesota.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 36,199 in Surgery Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
61
Medicare Part D claims · 50 beneficiaries · Surgery Physician avg: 169
Industry payments
$221.07
4 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Alejandro Oliu, MD filed 61 Medicare Part D claims in 2023 as a Surgery Physician in Mankato, Minnesota.
- 61
- Part D claims, 2023
- Likely
- board-certified (heuristic)
- ≥0th
- pct by Part D claim volume (lower-bound band)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about Alejandro Oliu, MD
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1265936256), first enumerated 03/22/2018.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 61 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
2 CMS Care Compare hospital affiliations on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Reported
Industry payment transparency
$221.07 in reported industry payments (4 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1265936256 · Surgery Physician
NPI-10 · ENUM-RECENT · TAX-MID · RX-TRACE · BOOK-LIGHT · PHOTO-ENUM
- NPI-10 1265936256
- ENUM-RECENT 2018
- TAX-MID 36K Surgery Physician
- RX-TRACE 61
- BOOK-LIGHT 788 in Minnesota
- PHOTO-ENUM Matthew Wynn · 2018
Alejandro Oliu, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
61 ≥ 0th percentile 0% of 1,370,886 prescribers are in lower value bands
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2023
✓
Board certification likely (heuristic, not verified)
Alejandro Oliu, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 hospital affiliations - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Alejandro Oliu, MD?
Quality data not reportedPrimary specialty
Surgery Physician
Medicare Part D claims
61 64% vs specialty avg
Specialty distribution in Minnesota
How Surgery Physician compares to other specialties among Minnesota providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Surgery Physician. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1265936256 |
|---|---|
| Specialty | Surgery Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 03/22/2018 |
Hospital and facility affiliations
Facilities where Alejandro Oliu, MD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Allegheny Clinic
Pittsburgh, PA
Mayo Clinic Health System-Southwest Minnesota Region
Mankato, MN
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Alejandro Oliu, MD. Source: openpaymentsdata.cms.gov.
Total received
$221
Largest payer
Medtronic, Inc.
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
61
Total Claims
$209
Total Drug Cost
50
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 61
- Total Day Supply
- 299
- Brand Drug Cost
- $0
- Generic Drug Cost
- $209
- Opioid Claims
- 39 (63.9% rate)
Patient Demographics
- Average Patient Age
- 69.8 years
- Avg HCC Risk Score
- 1.76
- Gender Split
- 50% female / 50% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Oxycodone Hcl | 36 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Surgery Physician Overview
How Alejandro Oliu, MD fits within the Surgery Physician landscape nationally.
36,199
Surgery Physician Providers in US
56
States with Surgery Physician
169
Avg Claims per Provider
Alejandro Oliu, MD's 61 claims are below the specialty average of 169.
Nationwide Surgery Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Oliu, both outside Minnesota so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2018)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Surgery Physician Providers in Minnesota
Other clinicians with the same primary specialty enrolled in Minnesota, drawn from the same CMS NPPES roster as Oliu.
One of 788 Surgery Physician providers enrolled in Minnesota, 5 are shown here.
Dr. Tor Aasheim
M.D.
Minneapolis, MN
Dr. Darren Abbas
M.D.
Rochester, MN
Dr. Safwan Abbasi
MBBS
Rochester, MN
Dr. Kamal Abi Mosleh
MD
Rochester, MN
Dr. Assunta Abraham
M.D.
Edina, MN
Compare Surgery Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Alejandro Oliu, MD's specialty? ▼
Alejandro Oliu, MD specializes in Surgery Physician and practices in Mankato, Minnesota. Credentials: MD.
How much does Alejandro Oliu, MD prescribe under Medicare Part D? ▼
In 2023, Alejandro Oliu, MD wrote 61 Medicare Part D claims totaling $209 in drug costs for 50 beneficiaries.
Where is Alejandro Oliu, MD located? ▼
Alejandro Oliu, MD is located at 1025 MARSH ST, Mankato, MN, 56001. Phone: (507) 625-4031.
What is Alejandro Oliu, MD's NPI number? ▼
Alejandro Oliu, MD's National Provider Identifier (NPI) is 1265936256, issued on 03/22/2018.
Does Alejandro Oliu, MD prescribe opioids? ▼
Yes, Alejandro Oliu, MD had 39 opioid claims in 2023 with an opioid prescribing rate of 63.9%.
How many Surgery Physician providers are there in the US? ▼
There are 36,199 Surgery Physician providers across 56 states in the US. The average Surgery Physician provider writes 169 Medicare Part D claims per year.
What drugs does Alejandro Oliu, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Alejandro Oliu, MD's most frequently prescribed drugs include Oxycodone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Alejandro Oliu, MD accept Medicare? ▼
Alejandro Oliu, MD appears in CMS Medicare data with 61 Part D claims and 50 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Alejandro Oliu, MD's credentials? ▼
Alejandro Oliu, MD's NPI is 1265936256 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.