Physician Profile
Unclaimed ProfileAbout WALLING
Colleen Elizabeth Walling, PA-C is a physician assistant practicing in Royal Oak, MI. According to Medicare claims data, Colleen cared for 57 Medicare patients across 57 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (248) 898-4021
- Email not available
Practice Locations
3601 W 13 MILE RD
Royal Oak, MI 48073
Procedures Most Often Billed to Medicare
57 services · 57 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
33 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
24 |
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 6
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 Royal Oak 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Walling's specialty?
Dr. Walling is a physician assistant in Royal Oak, MI. 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. Walling?
Dr. Walling is listed at 3601 W 13 MILE RD, Royal Oak, MI 48073. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Walling?
The number on file is (248) 898-4021. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Walling's NPI number?
Dr. Walling's National Provider Identifier is 1548212574. 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
What is Dr. Walling's medical education?
Dr. Walling attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Walling been practicing?
Dr. Walling has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Walling known for?
According to Medicare billing data, Dr. Walling 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 Dr. Walling confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Walling. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.