Physician Profile
Unclaimed ProfileAbout WILLIS
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Areas of Expertise
Common questions
What is Dr. Willis's specialty?
Dr. Willis is a physician assistant in Centennial, CO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Physician Assistant”.
NPI registry
Where can I find Dr. Willis?
Dr. Willis is listed at 9110 E NICHOLS AVE STE 150, Centennial, CO 80112. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Willis?
The number on file is (720) 666-4739. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Willis?
Dr. Willis's National Provider Identifier is 1952652729. 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
How much experience does Dr. Willis have?
Dr. Willis has 14+ years experience. Registered with an NPI since 2012. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What is Dr. Willis known for?
According to Medicare billing data, Dr. Willis performs procedures including ultrasound measurement of bladder capacity after voiding and simple bladder irrigation and/or instillation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Willis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Willis. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (720) 666-4739
- Email not available
Practice Locations
9110 E NICHOLS AVE STE 150
Centennial, CO 80112
Procedures Most Often Billed to Medicare
1,001 services · 939 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
152 |
| Simple bladder irrigation and/or instillation | Procedure | 51700 |
14 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
207 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
150 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
130 |
| Automated urinalysis test | Lab test | 81003 |
127 |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
118 |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
38 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
21 |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
17 |
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 1
Same specialty, same street address — most likely the same department or group.
Other physician assistants in Centennial 8
Same specialty, same city.
Also performs Ultrasound measurement of bladder capacity after voiding 8
Providers in CO 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.