Physician Profile
Unclaimed ProfileAbout WALLEN
Karla Sue Wallen, NP-C is a nurse practitioner based in Longmont, CO. Karla is also listed as specializing in nurse practitioner — family. Medicare claims data shows Karla provided 181 services to 129 patients.
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
- (303) 649-3500
- Email not available
Practice Locations
2101 KEN PRATT BLVD STE 200
Longmont, CO 80501
Procedures Most Often Billed to Medicare
181 services · 129 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
39 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
79 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
27 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
24 |
| Administration of influenza virus vaccine | Billing code | G0008 |
12 |
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 4
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 — 31 related providers in 4 groups
Other nurse practitioners in Longmont 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CO who bill this service to Medicare most often.
Common questions
What is Dr. Wallen's specialty?
Dr. Wallen is a nurse practitioner in Longmont, CO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Where can I find Dr. Wallen?
Dr. Wallen is listed at 2101 KEN PRATT BLVD STE 200, Longmont, CO 80501. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Wallen?
The number on file is (303) 649-3500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Wallen?
Dr. Wallen's National Provider Identifier is 1598420739. 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. Wallen's medical education?
Dr. Wallen attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Wallen have?
Dr. Wallen has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Wallen known for?
According to Medicare billing data, Dr. Wallen performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Wallen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Wallen. 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.