Provider Profile
Crystal A. Wittrock, APNP
Unclaimed ProfileAbout Crystal Wittrock
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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
- (414) 805-8710
- Email not available
Practice Locations
9200 W WISCONSIN AVE
Milwaukee, WI 53226
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 2
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 — 22 related providers in 3 groups
Other nurse practitioners in Milwaukee 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Crystal A. Wittrock?
Crystal A. Wittrock is a nurse practitioner in Milwaukee, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Crystal A. Wittrock's address?
Crystal A. Wittrock is listed at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Crystal A. Wittrock?
The number on file is (414) 805-8710. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Crystal A. Wittrock's NPI number?
Crystal A. Wittrock's National Provider Identifier is 1437870680. 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 Crystal A. Wittrock train?
Crystal A. Wittrock attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Crystal A. Wittrock been practicing?
Crystal A. Wittrock has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
Has Crystal A. Wittrock confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Crystal A. Wittrock. 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.