Physician Profile
Christopher A. Zwick, MD
Unclaimed ProfileAbout Dr. Zwick
Based in Milwaukee, WI, Christopher A. Zwick, MD is listed in the NPI registry under anatomic & clinical pathology. According to Medicare claims data, Christopher cared for 771 Medicare patients across 1,397 services. The services billed most often include special stained specimen slides to examine tissue, each additional procedure, pathology examination of tissue using a microscope, intermediate complexity, and cell examination of specimen, selective cellular enhancement technique.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (414) 649-6831
- Email not available
Practice Locations
2900 W OKLAHOMA AVE
Milwaukee, WI 53215
Conditions Evaluated or Diagnosed
Within Anatomic & Clinical Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune & Joint
Blood cancer
Blood chemistry
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Hemochromatosis
- High White Blood Cell Count
- Iron-deficiency anemia
Blood disorders
Cancer & Tumors
- Breast Cancer Biopsy Findings
- Leukemia
- Lipoma
- Prostate Cancer Biopsy Results
- Suspicious Lung Spot
- Swollen Lymph Nodes
Cervical & Women's Health
Cervical Health
Digestive pathology
Digestive System
- Abnormal Liver Enzymes
- Celiac disease
- H. pylori infection
- Inflammatory bowel disease
- Precancerous Colon Polyps
Hormones
Hormones & Metabolism
Infections
Infectious disease
Kidney & Urinary
Liver pathology
Prostate
Skin
Skin pathology
Urine & kidney
Procedures & services
Biopsy & Tissue Testing
- Bone Marrow Biopsy Testing
- Colon Polyp Biopsy Examination
- Fine Needle Aspiration Biopsy
- Frozen Section During Surgery
- Skin Biopsy Lab Review
- Special Tissue Staining
- Thyroid Biopsy Examination
Blood chemistry
Cancer & Genetic Testing
- Chromosome And Genetic Testing
- Flow Cytometry Test
- Liquid Biopsy
- Tumor Biomarker Testing
- Tumor Marker Testing
Cancer screening
Cardiac testing
Cervical & Women's Health
Fertility testing
Hormone testing
Immunology
Infection & Microbiology Tests
- Blood Culture Test
- Colon cancer screening consult
- H. Pylori Breath Test
- STI and STD Screening
- Urine sediment test
Infectious disease
Inflammation testing
Pathology Consultations
Post-Mortem & Forensic
Routine blood testing
Routine Blood Tests
- Blood Clotting Test
- Cholesterol screening
- Hemoglobin A1c Test
- Kidney Function Blood Test
- Liver Function Blood Test
- Routine blood work
- Thyroid Blood Test
Specialty Lab Panels
Tissue biopsy
Toxicology
Transfusion testing
Urine testing
Procedures Most Often Billed to Medicare
1,397 services · 771 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
444 |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
334 |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
200 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
87 |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
86 |
| Special stained specimen slides to examine tissue, each multiplex procedure | Lab test | 88344 |
81 |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
56 |
| Pathology cytologic examination of specimen during surgery, initial site | Lab test | 88333 |
35 |
| Evaluation of fine needle aspirate | Lab test | 88172 |
34 |
| Pap test | Lab test | 88141 |
21 |
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 anatomic & clinical pathology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Common questions
What kind of doctor is Dr. Zwick?
Dr. Zwick is an anatomic & clinical pathology in Milwaukee, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Zwick's address?
Dr. Zwick is listed at 2900 W Oklahoma Ave, Milwaukee, WI 53215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Zwick?
The number on file is (414) 649-6831. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Zwick's NPI number?
Dr. Zwick's National Provider Identifier is 1841225240. 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
How long has Dr. Zwick been practicing?
Dr. Zwick has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Zwick perform?
According to Medicare billing data, Dr. Zwick 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. Zwick confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zwick. 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.