Provider Profile
Maria J. Hillmer, APNP
Unclaimed ProfileAbout Maria Hillmer
Listed in the NPI registry as a nurse practitioner, Maria J. Hillmer, APNP practices in Grafton, WI. Maria is also listed as specializing in registered nurse. According to Medicare claims data, Maria cared for 762 Medicare patients across 1,248 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, destruction of precancer skin growth, 2-14 growths, 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
- (262) 377-2222
- Email not available
Practice Locations
1245 CHEYENNE AVE SUITE 301
Grafton, WI 53024
1440 N 25th St
Sheboygan, WI 53081
Procedures Most Often Billed to Medicare
1,248 services · 762 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
292 | Less often than most peers in Nurse Practitioner |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
175 | As often as other peers in Nurse Practitioner |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
111 | As often as other peers in Nurse Practitioner |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
82 | As often as other peers in Nurse Practitioner |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
24 | Less often than most peers in Nurse Practitioner |
| Shaving of skin growth of body, arms, or legs, 0.5 cm or less | Procedure | 11300 |
22 | Less often than most peers in Nurse Practitioner |
| Removal of skin tag, 1-15 skin tags | Procedure | 11200 |
18 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
351 | More than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
94 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
45 | More often than most 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.
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.
Other nurse practitioners in Grafton 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2013 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 WI who bill this service to Medicare most often.
Common questions
What does Maria J. Hillmer specialize in?
Maria J. Hillmer is a nurse practitioner in Grafton, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Maria J. Hillmer located?
Maria J. Hillmer is listed at 1245 Cheyenne Ave Suite 301, Grafton, WI 53024. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Maria J. Hillmer's phone number?
The number on file is (262) 377-2222. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Maria J. Hillmer's NPI number?
Maria J. Hillmer's National Provider Identifier is 1598188138. 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 Maria J. Hillmer train?
Maria J. Hillmer attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Maria J. Hillmer been practicing?
Maria J. Hillmer has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Maria J. Hillmer do most often?
According to Medicare billing data, Maria J. Hillmer performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Maria J. Hillmer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Maria J. Hillmer. 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.