Physician Profile
Unclaimed ProfileAbout COLLOPY
William J Collopy is a nurse practitioner practising in Oak Lawn, IL. William is also listed as specialising in nurse practitioner — family and nurse practitioner — psychiatric/mental health.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Collopy specialise in?
Dr. Collopy is a nurse practitioner in Oak Lawn, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Where is Dr. Collopy located?
Dr. Collopy is listed at 4440 W 95TH ST, Oak Lawn, IL 60453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Collopy's phone number?
The number on file is (708) 684-7482. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Collopy's NPI number?
Dr. Collopy's National Provider Identifier is 1407285166. 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 Dr. Collopy go to medical school?
Dr. Collopy attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Collopy been practising?
Dr. Collopy has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Collopy do most often?
According to Medicare billing data, Dr. Collopy provides treatments such as 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 Dr. Collopy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Collopy. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (708) 684-7482
- Email not available
Practice Locations
4440 W 95TH ST
Oak Lawn, IL 60453
Procedures Most Often Billed to Medicare
127 services · 125 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
73 |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
40 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
14 |
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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
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 Oak Lawn 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychiatric diagnostic evaluation with medical services 8
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.