NPI registry status
Active
2026 NPPES data Nurse Practitioner NPI 1912675810 NP-C
Verify on CMS → Daisy Sajuan, NP-C
Nurse Practitioner in Willowbrook, Illinois.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 87,700 in Nurse Practitioner, 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
903
Medicare Part D claims · 249 beneficiaries · Nurse Practitioner avg: 1K
Generic prescribing
86%
generic claims · 13% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$108.51
6 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Daisy Sajuan, NP-C filed 903 Medicare Part D claims in 2023 as a Nurse Practitioner in Willowbrook, Illinois, prescribing 86% generic.
- 903
- Part D claims, 2023
- 86%
- generic prescribing
- $108.51
- 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.
Daisy Sajuan, NP-C's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
903 Top 25% higher than 75% 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
What does the federal data show about Daisy Sajuan, NP-C?
Quality data not reportedPrimary specialty
Nurse Practitioner
Medicare Part D claims
903 17% vs specialty avg
Specialty distribution in Illinois
How Nurse Practitioner compares to other specialties among Illinois 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 Nurse Practitioner. 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).
Daisy Sajuan, NP-C appears in the CMS NPPES registry as a Nurse Practitioner provider holding NP-C credentials at 40 75TH ST, Willowbrook, IL, 60527, with a listed phone of (630) 581-5372. NPI 1912675810 was issued on 09/03/2021.
Medicare Part D records for calendar year 2023 show 903 prescription claims written by this provider, covering 249 Medicare beneficiaries and totaling roughly $83K in drug spend, split 13% brand-name and 86% generic by claim count, with an opioid prescribing rate of 15.4%.
Nurse Practitioner is a high-volume specialty nationwide, with 87,700 enrolled providers across 56 states and an average of 1,084 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 | 1912675810 |
|---|---|
| Specialty | Nurse Practitioner |
| Credentials | NP-C |
| Gender | Female |
| NPI Issued | 09/03/2021 |
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 Daisy Sajuan, NP-C. Source: openpaymentsdata.cms.gov.
Total received
$109
Largest payer
Dexcom, 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.
License & disciplinary context - Illinois IDFPR 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~42K Illinois medical licensees in 2023 - they are NOT specific to Daisy Sajuan, NP-C. To verify Daisy Sajuan, NP-C's current license status, search the IDFPR public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
106
Total board actions, Illinois 2023
Across 103 cases
2.52
Actions per 1,000 licensees
Illinois statewide rate
probation
Most common action type
38 cases
IDFPR publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Illinois disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
Daisy Sajuan, NP-C - brand share 13.0%
Nurse Practitioner average
13% brand-name claims vs 86% generic, on 903 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
903
Total Claims
$83K
Total Drug Cost
249
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,289
- Total Day Supply
- 35,073
- Brand vs Generic
- 13% brand / 86% generic
- Brand Drug Cost
- $63K
- Generic Drug Cost
- $20K
- Opioid Claims
- 139 (15.4% rate)
- Antibiotic Claims
- 40
Patient Demographics
- Average Patient Age
- 69.2 years
- Avg HCC Risk Score
- 0.97
- Gender Split
- 63% female / 37% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Daisy Sajuan, NP-C prescribes most
Top Medicare Part D drugs by claim count, 2023
- Hydrocodone-Acetam…
Hydrocodone-Acetaminophen
64 claims
- Tramadol Hcl
Tramadol Hcl
34 claims
- Atorvastatin Calcium
Atorvastatin Calcium
26 claims
- Gabapentin 24
Gabapentin
24 claims
- Trazodone Hcl 21
Trazodone Hcl
21 claims
- Losartan Potassium 20
Losartan Potassium
20 claims
- Levothyroxine Sodium 18
Levothyroxine Sodium
18 claims
- Lorazepam 18
Lorazepam
18 claims
| Drug | Claims |
|---|---|
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 64 |
| Tramadol Hcl | 34 |
| Atorvastatin Calcium | 26 |
| Gabapentin | 24 |
| Trazodone Hcl | 21 |
| Losartan Potassium | 20 |
| Levothyroxine Sodium | 18 |
| Lorazepam | 18 |
| Ibuprofen | 17 |
| Ezetimibe | 16 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Nurse Practitioner Overview
How Daisy Sajuan, NP-C fits within the Nurse Practitioner landscape nationally.
87,700
Nurse Practitioner Providers in US
56
States with Nurse Practitioner
1,084
Avg Claims per Provider
Daisy Sajuan, NP-C's 903 claims are below the specialty average of 1,084.
Nearby Nurse Practitioner Providers in Illinois
Other clinicians with the same primary specialty enrolled in Illinois, drawn from the same CMS NPPES roster as Sajuan.
Dr. Janice Abadilla
FNP-BC
Peoria, IL
Dr. Roseviminda Abano
CNP
Gurnee, IL
Philomena Abebe
Park Ridge, IL
Dr. Milagros Abellera
APN
Chicago, IL
Dr. Edwina Abloh
APN-CNP
Skokie, IL
Compare Nurse Practitioner 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 Illinois medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Nurse Practitioner 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.
Healthcare Guides
Learn more about finding, verifying, and understanding healthcare providers.
How to Find a Doctor
Step-by-step guide to choosing a provider
Verify Credentials
Check NPI, board certification & license status
Medical Specialties Explained
Who treats what and how specialties differ
Understanding Medicare Claims Data
What prescribing data reveals about a provider
In-Network vs Out-of-Network
How insurance networks affect your costs
Telehealth Guide
Virtual care options and coverage in 2026
Explore Illinois
Frequently Asked Questions
What is Daisy Sajuan, NP-C's specialty? ▼
Daisy Sajuan, NP-C specializes in Nurse Practitioner and practices in Willowbrook, Illinois. Credentials: NP-C.
How much does Daisy Sajuan, NP-C prescribe under Medicare Part D? ▼
In 2023, Daisy Sajuan, NP-C wrote 903 Medicare Part D claims totaling $83K in drug costs for 249 beneficiaries.
Where is Daisy Sajuan, NP-C located? ▼
Daisy Sajuan, NP-C is located at 40 75TH ST, Willowbrook, IL, 60527. Phone: (630) 581-5372.
What is Daisy Sajuan, NP-C's NPI number? ▼
Daisy Sajuan, NP-C's National Provider Identifier (NPI) is 1912675810, issued on 09/03/2021.
Does Daisy Sajuan, NP-C prescribe more brand-name or generic drugs? ▼
Daisy Sajuan, NP-C's prescribing is 13% brand-name and 86% generic drugs by claim count, with $63K in brand drug costs.
Does Daisy Sajuan, NP-C prescribe opioids? ▼
Yes, Daisy Sajuan, NP-C had 139 opioid claims in 2023 with an opioid prescribing rate of 15.4%.
How many Nurse Practitioner providers are there in the US? ▼
There are 87,700 Nurse Practitioner providers across 56 states in the US. The average Nurse Practitioner provider writes 1,084 Medicare Part D claims per year.
What drugs does Daisy Sajuan, NP-C prescribe most often? ▼
Based on 2023 Medicare Part D data, Daisy Sajuan, NP-C's most frequently prescribed drugs include Hydrocodone-Acetaminophen, Tramadol Hcl, Atorvastatin Calcium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Daisy Sajuan, NP-C accept Medicare? ▼
Daisy Sajuan, NP-C appears in CMS Medicare data with 903 Part D claims and 249 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Daisy Sajuan, NP-C's credentials? ▼
Daisy Sajuan, NP-C's NPI is 1912675810 with credentials NP-C. 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.