Provider Profile
Mary Ann Villalon, PMHNP-BC
Unclaimed ProfileWhere to find Mary Ann Villalon, PMHNP-BC
- Chicago location main office
1203 W Augusta Blvd Ste 1, Chicago, IL 60642 - Park Ridge location
250 S Northwest Hwy Ste 110, Park Ridge, IL 60068
About Mary Ann Villalon
Mary Ann Villalon, PMHNP-BC is a nurse practitioner practicing in Chicago, IL. Mary Ann is also listed as specializing in nurse practitioner — psychiatric/mental health. According to Medicare claims data, Mary Ann cared for 1,419 Medicare patients across 3,755 services. The services billed most often include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, and psychotherapy with evaluation and management visit, 30 minutes. This provider record is associated with NPI 1447936984.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (773) 248-2255
- Email not available
Practice Locations
1203 W AUGUSTA BLVD STE 1
Chicago, IL 60642
250 S Northwest Hwy Ste 110
Park Ridge, IL 60068
Procedures Most Often Billed to Medicare
3,755 services · 1,419 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
299 | More than most peers in Nurse Practitioner |
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
241 | More than most peers in Nurse Practitioner |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
143 | More than most peers in Nurse Practitioner |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
100 | More than most peers in Nurse Practitioner |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
1,229 | More than most peers in Nurse Practitioner |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
1,025 | More than most peers in Nurse Practitioner |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
297 | More often than most peers in Nurse Practitioner |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
237 | More often than most peers in Nurse Practitioner |
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
113 | More often than most peers in Nurse Practitioner |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
49 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other nurse practitioners in Chicago 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 7
Providers in IL who bill this service to Medicare most often.
Common questions
What does Mary Ann Villalon specialize in?
Mary Ann Villalon is a nurse practitioner in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary Ann Villalon located?
Mary Ann Villalon is listed at 1203 W Augusta Blvd Ste 1, Chicago, IL 60642. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary Ann Villalon's phone number?
The number on file is (773) 248-2255. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary Ann Villalon's NPI number?
Mary Ann Villalon's National Provider Identifier is 1447936984. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary Ann Villalon train?
Mary Ann Villalon attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Ann Villalon been practicing?
Mary Ann Villalon has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What does Mary Ann Villalon do most often?
According to Medicare billing data, Mary Ann Villalon provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary Ann Villalon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Ann Villalon. If this is you, claiming it is free.
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