MARY ANN VILLALON PMHNP-BC
NPI 1447936984
Nurse Practitioner - Psychiatric/Mental Health in Chicago, IL

Active since June 27, 2023PECOS EnrolledAccepts Medicare Assignment
1203 W AUGUSTA BLVD STE 1, CHICAGO, IL 60642(773) 248-2255 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Sep 9, 2025, Aug 14, 2023 (2 updates tracked since 2023).

About Mary Ann Villalon Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY ANN VILLALON PMHNP-BC (NPI 1447936984) is an individual psychiatric/mental health provider in Chicago, Illinois, licensed in Illinois (209028066) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and maintains a secondary practice location in Park Ridge.

NPPES Registry Identity

NPI1447936984
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARY ANN VILLALONCredential: PMHNP-BC
Location Address1203 W AUGUSTA BLVD STE 1Chicago, IL 60642-4327
Mailing Address8650 W Davis StDes Plaines, IL 60016-5167 · (224) 766-9182
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJune 27, 2023
Last NPPES UpdateSeptember 9, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2025
NPI 1447936984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in IL · 209028066
Also ListedRegistered Nurse · Psychiatric/Mental Health, AdultTaxonomy 163WP0809X · License 041483639 (IL)
1203 W AUGUSTA BLVD STE 1, Chicago, IL 60642

Other Names 1

Professional Name (2)Mary Ann Villalon Pmhnp-bc

Secondary Practice Location 1

Location 1250 S Northwest Hwy Ste 110Park Ridge, IL 60068-4237 · Phone (224) 985-5824

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Ann Villalon Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850748211
PECOS Enrollment IDI20231107003731
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
1,229 services297 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
1,025 services318 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
299 services110 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
297 services170 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
241 services87 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
237 services137 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140252
Location800 W Central RoadArlington Heights, IL 60005 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60642 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Psychiatry)
1203 W AUGUSTA BLVD STE 1
CHICAGO, IL 60642
Nurse Practitioner (Family)
1203 W AUGUSTA BLVD STE 1
CHICAGO, IL 60642
Nurse Practitioner (Family)
1203 W AUGUSTA BLVD STE 1
CHICAGO, IL 60642
Nurse Practitioner (Family)
1203 W AUGUSTA BLVD STE 1
CHICAGO, IL 60642
Psychiatry & Neurology (Psychiatry)
1203 W AUGUSTA BLVD STE 1
CHICAGO, IL 60642
Nurse Practitioner (Psychiatric/Mental Health)
1203 W AUGUSTA BLVD STE 1
CHICAGO, IL 60642
Nurse Practitioner (Family)
1203 W AUGUSTA BLVD STE 1
CHICAGO, IL 60642
Physician Assistant
1203 W AUGUSTA BLVD STE 1
CHICAGO, IL 60642

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Ann Villalon's NPI number?

The NPI number for Mary Ann Villalon is 1447936984. It was assigned to this individual provider in the NPPES registry on June 27, 2023. The provider is also known as Mary Ann Villalon Pmhnp-Bc.

Where is Mary Ann Villalon located?

Mary Ann Villalon practices at 1203 W Augusta Blvd Ste 1, Chicago, IL 60642. The listed phone number is (773) 248-2255.

What is Mary Ann Villalon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Mary Ann Villalon enrolled in Medicare?

Yes. Mary Ann Villalon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mary Ann Villalon accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health and UnitedHealthcare list Mary Ann Villalon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Ann Villalon affiliated with any hospitals?

According to CMS data, Mary Ann Villalon is affiliated with Northwest Community Hospital 1.

When was this NPI record last updated?

The NPPES record for Mary Ann Villalon was last updated on September 9, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.