NPI registry status
Active
2026 NPPES data Nephrology Physician NPI 1164403077 M.D.
Verify on CMS → Luis Sanmiguel, M.D.
Nephrology Physician in Carolina, Puerto Rico.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 10,534 in Nephrology 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
3K
Medicare Part D claims · 245 beneficiaries · Nephrology Physician avg: 1K
Industry payments
$46.69
2 payments · CMS Open Payments (Sunshine Act)
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Luis Sanmiguel, M.D. filed 2,685 Medicare Part D claims in 2023 as a Nephrology Physician in Carolina, Puerto Rico.
- 3K
- Part D claims, 2023
- $46.69
- industry payments (Sunshine Act)
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.
Luis Sanmiguel, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
2,685 Top 13% higher than 87% of 1,370,886 prescribers
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.
Source CMS Medicare Part D Prescriber Public Use File · 2023
◑
Board-eligible specialty (heuristic, not verified)
Luis Sanmiguel, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Luis Sanmiguel, M.D.?
Quality data not reportedPrimary specialty
Nephrology Physician
Medicare Part D claims
2,685 85% vs specialty avg
Specialty distribution in Puerto Rico
How Nephrology Physician compares to other specialties among Puerto Rico 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 Nephrology 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).
Luis Sanmiguel, M.D. appears in the CMS NPPES registry as a Nephrology Physician provider holding M.D. credentials at CARR.#3 KM8.4 PASEO DEL PRADO SC, Carolina, PR, 00987, with a listed phone of (787) 710-2532. NPI 1164403077 was issued on 11/08/2005.
Medicare Part D records for calendar year 2023 show 2,685 prescription claims written by this provider, covering 245 Medicare beneficiaries and totaling roughly $225K in drug spend, with an opioid prescribing rate of 1.0%.
Nephrology Physician is a mid-sized specialty nationwide, with 10,534 enrolled providers across 55 states and an average of 1,454 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1164403077 |
|---|---|
| Specialty | Nephrology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 11/08/2005 |
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 Luis Sanmiguel, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$47
Largest payer
Boehringer Ingelheim Pharmaceuticals, 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.
2,685
Total Claims
$225K
Total Drug Cost
245
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 3,625
- Total Day Supply
- 105,861
- Generic Drug Cost
- $41K
- Opioid Claims
- 27 (1.0% rate)
- Antibiotic Claims
- 36
Patient Demographics
- Average Patient Age
- 74.2 years
- Avg HCC Risk Score
- 3.02
- Gender Split
- 49% female / 51% male
- Age Distribution
- <65: 39, 65-74: 81, 75-84: 90, 85+: 35
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Luis Sanmiguel, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Rosuvastatin Calcium
Rosuvastatin Calcium
150 claims
- Doxazosin Mesylate
Doxazosin Mesylate
111 claims
- Gabapentin
Gabapentin
111 claims
- Atorvastatin Calcium
Atorvastatin Calcium
93 claims
- Amlodipine Besylate
Amlodipine Besylate
91 claims
- Losartan Potassium
Losartan Potassium
85 claims
- Allopurinol
Allopurinol
78 claims
- Hydrochlorothiazide 59
Hydrochlorothiazide
59 claims
| Drug | Claims |
|---|---|
| Rosuvastatin Calcium | 150 |
| Doxazosin Mesylate | 111 |
| Gabapentin | 111 |
| Atorvastatin Calcium | 93 |
| Amlodipine Besylate | 91 |
| Losartan Potassium | 85 |
| Allopurinol | 78 |
| Hydrochlorothiazide | 59 |
| Tamsulosin Hcl | 59 |
| Famotidine | 57 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Nephrology Physician Overview
How Luis Sanmiguel, M.D. fits within the Nephrology Physician landscape nationally.
10,534
Nephrology Physician Providers in US
55
States with Nephrology Physician
1,454
Avg Claims per Provider
Luis Sanmiguel, M.D.'s 2,685 claims are above the specialty average of 1,454.
Nearby Nephrology Physician Providers in Puerto Rico
Other clinicians with the same primary specialty enrolled in Puerto Rico, drawn from the same CMS NPPES roster as Sanmiguel.
Dr. Marco Albarran Portilla
MD
Ponce, PR
Dr. Praxedes Alvarez
M.D.
Ponce, PR
Dr. Sergio Alvarez Torres
M.D
Adjuntas, PR
Dr. Krystahl Andujar-Rivera
MD
Carolina, PR
Dr. Alberto Arevalo Roig
MD
Arecibo, PR
Compare Nephrology Physician nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Puerto Rico medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Nephrology Physician peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Frequently Asked Questions
What is Luis Sanmiguel, M.D.'s specialty? ▼
Luis Sanmiguel, M.D. specializes in Nephrology Physician and practices in Carolina, Puerto Rico. Credentials: M.D..
How much does Luis Sanmiguel, M.D. prescribe under Medicare Part D? ▼
In 2023, Luis Sanmiguel, M.D. wrote 2,685 Medicare Part D claims totaling $225K in drug costs for 245 beneficiaries.
Where is Luis Sanmiguel, M.D. located? ▼
Luis Sanmiguel, M.D. is located at CARR.#3 KM8.4 PASEO DEL PRADO SC, Carolina, PR, 00987. Phone: (787) 710-2532.
What is Luis Sanmiguel, M.D.'s NPI number? ▼
Luis Sanmiguel, M.D.'s National Provider Identifier (NPI) is 1164403077, issued on 11/08/2005.
Does Luis Sanmiguel, M.D. prescribe opioids? ▼
Yes, Luis Sanmiguel, M.D. had 27 opioid claims in 2023 with an opioid prescribing rate of 1.0%.
How many Nephrology Physician providers are there in the US? ▼
There are 10,534 Nephrology Physician providers across 55 states in the US. The average Nephrology Physician provider writes 1,454 Medicare Part D claims per year.
What drugs does Luis Sanmiguel, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Luis Sanmiguel, M.D.'s most frequently prescribed drugs include Rosuvastatin Calcium, Doxazosin Mesylate, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Luis Sanmiguel, M.D. accept Medicare? ▼
Luis Sanmiguel, M.D. appears in CMS Medicare data with 2,685 Part D claims and 245 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Luis Sanmiguel, M.D.'s credentials? ▼
Luis Sanmiguel, M.D.'s NPI is 1164403077 with credentials M.D.. 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
Compiled from official public sources by the PlainDoctor editorial team.