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Edit this profileAt a glance
- 199 W Rand Rd, Mount Prospect, IL 60056
About Regina Williams
Listed in the NPI registry as a physician assistant, Regina Williams, PA-C practices in Mount Prospect, IL. According to Medicare claims data, Regina cared for 457 Medicare patients across 478 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. NPI 1346228822 identifies this record in the national registry.
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
- (847) 618-5400
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
199 W RAND RD
Mount Prospect, IL 60056
Procedures Most Often Billed to Medicare
478 services · 457 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
354 | More than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
83 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
41 | More often than most peers in Physician Assistant |
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 physician assistants at this location 2
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 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 — 22 related providers in 3 groups
Other physician assistants in Mount Prospect 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Regina Williams?
Regina Williams is a physician assistant in Mount Prospect, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Regina Williams's address?
Regina Williams is listed at 199 W Rand Rd, Mount Prospect, IL 60056. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Regina Williams?
The number on file is (847) 618-5400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Regina Williams's NPI number?
Regina Williams's National Provider Identifier is 1346228822. 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 Regina Williams train?
Regina Williams attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Regina Williams been practicing?
Regina Williams has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Regina Williams perform?
According to Medicare billing data, Regina Williams the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Regina Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Regina Williams. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.