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Edit this profileAt a glance
- 9110 E Nichols Ave Ste 150, Centennial, CO 80112
About Anna Willis
Listed in the NPI registry as a physician assistant, Anna E. Willis, PA-C practices in Centennial, CO. Medicare claims data shows Anna provided 1,001 services to 939 patients. The services billed most often include 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', ultrasound measurement of bladder capacity after voiding, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1952652729 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (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 | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
152 | More often than most peers in Physician Assistant |
| Simple bladder irrigation and/or instillation | Procedure | 51700 |
14 | Less often than most peers in Physician Assistant |
| 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 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
150 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
130 | More often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
127 | More than most peers in Physician Assistant |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
118 | More often than most peers in Physician Assistant |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
38 | More often than most peers in Physician Assistant |
| 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 | As often as other peers in Physician Assistant |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
17 | As often as other 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 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
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.
Common questions
What is Anna E. Willis's specialty?
Anna E. Willis is a physician assistant in Centennial, CO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Anna E. Willis?
Anna E. 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 Anna E. Willis?
The number on file is (720) 666-4739. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Anna E. Willis?
Anna E. 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 Anna E. Willis have?
Anna E. 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 practiced for longer than this.
NPI registry
What is Anna E. Willis known for?
According to Medicare billing data, Anna E. 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 Anna E. Willis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Anna E. Willis. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.