Maria Aguilar, APN-CNP
NPI 1538802095 · Nurse Practitioner · Barrington, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Aguilar, APN-CNP is a Nurse Practitioner provider in Barrington, IL (NPI 1538802095).
Provider details
- NPI number
- 1538802095
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN-CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 209.024802 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
326 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 141 | $79 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 96 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 63 | $113 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 26 | $114 |
Typical Medicare-allowed amounts for these services range $9–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 71 | 33 |
| Levothyroxine Sodium | 36 | 17 |
| Amlodipine Besylate | 32 | 17 |
| Lisinopril | 31 | 15 |
| Azithromycin | 29 | 25 |
| Pantoprazole Sodium | 26 | — |
| Metformin Hcl | 25 |
Practice location
Mailing address
Additional practice locations (1)
- 172 E Schiller StElmhurst, IL 60126-2816Phone: (331) 221-9000Fax: (331) 221-2312
Registry dates
- Enumerated
- 2022-04-13
- Last updated
- 2026-04-02
- Certified
- 2026-04-02
Frequently asked questions
- What is Maria Aguilar's NPI number?
- Maria Aguilar's National Provider Identifier (NPI) is 1538802095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Aguilar's specialty?
- Maria Aguilar is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Aguilar located?
- Maria Aguilar's practice location on file with NPPES is 530 N Hough St, Barrington, IL 60010-3087.
- What is Maria Aguilar's phone number?
- The practice phone number listed in the NPPES registry for Maria Aguilar is (847) 381-0174.
- Does Maria Aguilar accept Medicare?
- Maria Aguilar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Aguilar's NPI active?
- Yes — Maria Aguilar's NPI (1538802095) is active in the NPPES registry as of the last update on 2026-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.