Provider Profile
Karen M. Sadler, ARNP
Unclaimed ProfileAbout Karen Sadler
Karen M. Sadler, ARNP is a nurse practitioner based in Waterloo, IA. Medicare claims data shows Karen provided 4,100 services to 2,059 patients. The services billed most often include destruction of precancer skin growth, 2-14 growths, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 1 growth.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (319) 888-8044
- Email not available
Practice Locations
2515 CYCLONE DR STE B
Waterloo, IA 50701
Procedures Most Often Billed to Medicare
4,100 services · 2,059 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
1,422 | More often than most peers in Nurse Practitioner |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
414 | More often than most peers in Nurse Practitioner |
| Shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.5 cm or less | Procedure | 11310 |
159 | More than most peers in Nurse Practitioner |
| Shaving of skin growth of body, arms, or legs, 0.5 cm or less | Procedure | 11300 |
136 | More than most peers in Nurse Practitioner |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
108 | As often as other peers in Nurse Practitioner |
| Removal of impacted ear wax | Procedure | 69210 |
97 | More often than most peers in Nurse Practitioner |
| Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less | Procedure | 11305 |
68 | More often than most peers in Nurse Practitioner |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
43 | As often as other peers in Nurse Practitioner |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
20 | Less often than most peers in Nurse Practitioner |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
19 | As often as other peers in Nurse Practitioner |
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 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 32 related providers in 4 groups
Other nurse practitioners in Waterloo 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in IA who bill this service to Medicare most often.
Common questions
What kind of doctor is Karen M. Sadler?
Karen M. Sadler is a nurse practitioner in Waterloo, IA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Karen M. Sadler's address?
Karen M. Sadler is listed at 2515 Cyclone Dr Ste B, Waterloo, IA 50701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Karen M. Sadler?
The number on file is (319) 888-8044. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Karen M. Sadler?
Karen M. Sadler's National Provider Identifier is 1891396529. 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 Karen M. Sadler train?
Karen M. Sadler attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Karen M. Sadler have?
Karen M. Sadler has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What procedures does Karen M. Sadler perform?
According to Medicare billing data, Karen M. Sadler performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and shaving of skin growth of face, ears, eyelids, nose, lips, or mouth, 0.5 cm or less; provides treatments such as test to assess middle ear function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Karen M. Sadler's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Karen M. Sadler. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.