Physician Profile
Nathanial I. Kieler, M.D.
Unclaimed ProfileAbout Dr. Kieler
Nathanial I. Kieler, M.D. practices anatomic & clinical pathology in Green Bay, WI. Nathanial is a 2002 graduate of University of Wisconsin School of Medicine. Medicare claims data shows Nathanial provided 1,676 services to 894 patients. 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 special stained specimen slides to examine tissue, initial procedure.
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
- (920) 433-3653
- Email not available
Practice Locations
744 S WEBSTER AVE
Green Bay, WI 54301
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
- Autoimmune Disease Markers
- Gout
Blood cancer
- Lymphoma
- Multiple Myeloma
Blood chemistry
- High calcium
- Low sodium or electrolyte imbalance
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Hemochromatosis
- High White Blood Cell Count
- Iron-deficiency anemia
Blood disorders
- High Platelet Count
- Low Platelets
- Low White Blood Cell Count
Cancer & Tumors
- Breast Cancer Biopsy Findings
- Leukemia
- Lipoma
- Prostate Cancer Biopsy Results
- Suspicious Lung Spot
- Swollen Lymph Nodes
Cervical & Women's Health
- Endometrial hyperplasia
Cervical Health
- Abnormal cervical cells and cervical dysplasia
Digestive pathology
- Barrett's esophagus
Digestive System
- Abnormal Liver Enzymes
- Celiac disease
- H. pylori infection
- Inflammatory bowel disease
- Precancerous Colon Polyps
Hormones
- Testosterone deficiency
Hormones & Metabolism
- High cholesterol
- Hypothyroidism
- Prediabetes
- Thyroid nodules
- Vitamin D deficiency
Infections
- Sepsis or blood infection
- Sexually transmitted infections
- UTI
Infectious disease
- HPV infection risk
- Lyme disease
Kidney & Urinary
- Bladder cancer
- High creatinine levels
Liver pathology
- Fatty liver disease
Prostate
- High PSA levels
Skin
- Precancerous sun spot
- Skin cancer
Skin pathology
- Moles and atypical moles
Urine & kidney
- Blood in the urine
- Kidney Disease
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
- Iron Level Blood Test
Cancer & Genetic Testing
- Chromosome And Genetic Testing
- Flow Cytometry Test
- Liquid Biopsy
- Tumor Biomarker Testing
- Tumor Marker Testing
Cancer screening
- Prostate cancer blood test
Cardiac testing
- Troponin blood test
Cervical & Women's Health
- Pap Smear Test
Fertility testing
- Sperm count test
Hormone testing
- Cortisol blood test
- Testosterone blood test
Immunology
- Immune System Blood Test
Infection & Microbiology Tests
- Blood Culture Test
- Colon cancer screening consult
- H. Pylori Breath Test
- STI and STD Screening
- Urine sediment test
Infectious disease
- Lyme disease test
Inflammation testing
- Inflammation Blood Tests
- Sed rate inflammation test
Pathology Consultations
- Biopsy Second Opinion
- Second Opinion For Cancer
Post-Mortem & Forensic
- Paternity DNA Test
- Private Autopsy Service
Routine blood testing
- Basic metabolic panel
- Complete Blood Count
- Comprehensive Metabolic Panel
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
- Allergy Blood Testing
- Autoimmune Blood Panel
- Celiac Disease Blood Test
- Urine Drug Screen
Tissue biopsy
- Breast tissue biopsy test
- Cervical biopsy test
- Lymph node biopsy review
Toxicology
- Heavy metals blood test
Transfusion testing
- Blood Type Test
Urine testing
- Urinalysis
Procedures Most Often Billed to Medicare
1,676 services · 894 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
97 | Less often than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
568 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
429 | As often as other peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
143 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
65 | As often as other peers in Anatomic & Clinical Pathology |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
64 | More often than most peers in Anatomic & Clinical Pathology |
| Protein measurement, serum | Lab test | 84165 |
49 | Less often than most peers in Anatomic & Clinical Pathology |
| Microscopic genetic analysis of tumor, manual | Lab test | 88360 |
44 | As often as other peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
39 | As often as other peers in Anatomic & Clinical Pathology |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
37 | Less often than most peers in Anatomic & Clinical Pathology |
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 anatomic & clinical pathology specialists in Green Bay 8
Same specialty, same city.
Trained at University of Wisconsin School of Medicine 7
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2002 at University of Wisconsin School of Medicine 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 WI who bill this service to Medicare most often.
Common questions
What is Nathanial I. Kieler's specialty?
Nathanial I. Kieler is an anatomic & clinical pathology in Green Bay, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Nathanial I. Kieler?
Nathanial I. Kieler is listed at 744 S Webster Ave, Green Bay, WI 54301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Nathanial I. Kieler?
The number on file is (920) 433-3653. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Nathanial I. Kieler?
Nathanial I. Kieler's National Provider Identifier is 1144282773. 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 Nathanial I. Kieler's education?
Nathanial I. Kieler attended University of Wisconsin School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nathanial I. Kieler have?
Nathanial I. Kieler has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Nathanial I. Kieler known for?
According to Medicare billing data, Nathanial I. Kieler 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 Nathanial I. Kieler's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nathanial I. Kieler. 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.