Dr. Grant P. Sinson
- Gender: Male
- Experience: 32 years
- Graduated from: Northwestern University Feinberg Medical School
- Graduation year: 1989
- Sole propriator: No
- NPI: 1952352437
Dr. Grant P. Sinson MD
Neurosurgeon
He is located at 9200 West Wisconsin Avenue Dept Of Neurosurgery in Milwaukee, WI 53226. Can help patients with the following: Brain Lesions, Cervical Radiculopathy, Hemorrhoids, Pilonidal Cyst, Quadriplegia, Spinal Stenosis. His National Provider Identifier (NPI) number is 1952352437. Appointment can be made via the phone number (414) 805-5400.
Conditions treated
Dr. Grant P. Sinson, being an neurosurgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Grant P. Sinson.
- Achalasia
- Acoustic Neuroma
- Anal Fissure
- Appendicitis
- Boils
- Brain Aneurysm
- Brain Cancer
- Brain Damage
- Brain Hemorrhage
- Brain Lesions
- Cancer
- Cauda Equina Syndrome
- Cerebral Aneurysm
- Cervical Radiculopathy
- Colon Cancer
- Concussion
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Herniated Disc
- Hydrocephalus
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Neck Pain
- Pancreatitis
- Paralysis
- Peptic Ulcer
- Peripheral Nerve Tumors
- Pilonidal Cyst
- Pinched Nerve
- Pseudotumor Cerebri
- Quadriplegia
- Sebaceous Cyst
- Spinal Cord Injury
- Spinal Stenosis
- Spondylosis
- Traumatic Brain Injury
- Ulcerative Colitis
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Grant P. Sinson as in-network for the following 2026 plans.
Health plans
Anthem Blue Cross and Blue Shield
Network data as of Mar 25, 2026, as reported by the insurer.
Show all 9 plans from Anthem Blue Cross and Blue Shield
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Preferred/Broad 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Preferred/Broad HSA (+ Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Gold Preferred/Broad 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Anthem Gold Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Anthem Heart Healthy Bronze Preferred/Broad 0 Med Ded ($0 Virtual PCP+$0 Select Drugs+Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Silver Preferred/Broad 4000 ($0 PCP Visits + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred/Broad 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
Aspirus Health Plan
Network data as of Aug 1, 2021, as reported by the insurer.
Show all 12 plans from Aspirus Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| HMO Bronze $0 Medical Deductible | HMO · Expanded Bronze | Aspirussign | Not accepting new patients |
| HMO Bronze 10000 | HMO · Bronze | Aspirussign | Not accepting new patients |
| HMO Bronze 7500 | HMO · Expanded Bronze | Aspirussign | Not accepting new patients |
| HMO Catastrophic 10600 with 3 free PCP visits | HMO · Catastrophic | Aspirussign | Not accepting new patients |
| HMO Gold 2000 | HMO · Gold | Aspirussign | Not accepting new patients |
| HMO Gold 2700 | HMO · Gold | Aspirussign | Not accepting new patients |
| HMO HDHP Silver 5900 | HMO · Silver | Aspirussign | Not accepting new patients |
| HMO Silver 6000 | HMO · Silver | Aspirussign | Not accepting new patients |
| HMO Silver 6600 | HMO · Silver | Aspirussign | Not accepting new patients |
| POS Bronze 7500 | POS · Expanded Bronze | Aspirussign | Not accepting new patients |
| POS Bronze 8500 | POS · Bronze | Aspirussign | Not accepting new patients |
| POS Silver 6000 | POS · Silver | Aspirussign | Not accepting new patients |
Network Health
Network data as of Jan 12, 2026, as reported by the insurer.
Show all 14 plans from Network Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Prestige Bronze $0 Medical Deductible (2 plan variants) | HMO · Expanded Bronze | Signatureprestigebronzezeromedicaldeductible | Accepting new patients |
| Prestige Bronze $0 Medical Deductible + Dental + Vision | HMO · Expanded Bronze | Signatureprestigebronzezeromedicaldeductibledv | Accepting new patients |
| Prestige Bronze $0 Medical Deductible + Dental +Vision | HMO · Expanded Bronze | Signatureprestigebronzezeromedicaldeductibledv | Accepting new patients |
| Prestige Bronze Essential + 3 Free PCP Visits | HMO · Expanded Bronze | Prestigebronzeessential | Accepting new patients |
| Prestige Bronze Essential + Dental + Vision + 3 Free PCP Visits | HMO · Expanded Bronze | Prestigebronzeessentialdv | Accepting new patients |
| Prestige Bronze Plus | HMO · Expanded Bronze | Prestigebronzeplus | Accepting new patients |
| Prestige Gold | HMO · Gold | Prestigegold | Accepting new patients |
| Prestige Gold 50 + 1 Free PCP Visit | HMO · Gold | Prestigegoldfifty | Accepting new patients |
| Prestige Gold 50 + Dental + Vision + 1 Free PCP Visit | HMO · Gold | Prestigegoldfiftydv | Accepting new patients |
| Prestige Gold Essential + 3Free PCP Visits | HMO · Gold | Prestigegoldessential | Accepting new patients |
| Prestige Gold Essential + Dental + Vision + 3 Free PCP Visits | HMO · Gold | Prestigegoldessentialdv | Accepting new patients |
| Prestige Silver | HMO · Silver | Prestigesilver | Accepting new patients |
| Prestige Silver Essential + 3 Free PCP Visits | HMO · Silver | Prestigesilveressential | Accepting new patients |
| Prestige Silver Essential + Dental + Vision + 3 Free PCP Visits | HMO · Silver | Prestigesilveressentialdv | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Grant P. Sinson is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Grant P. Sinson is enrolled to bill Medicare as a Practitioner - Neurosurgery .
Bills through: The Medical College Of Wisconsin Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Monteris Medical | $620 |
Other
| Food and Beverage | $620 |
Studies
NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated in 1989Additional Specialities
- Surgeon
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Questions & Answers
Does Dr. Grant P. Sinson accept insurance?
Dr. Grant P. Sinson is listed in-network for 35 ACA Marketplace (Obamacare/HealthCare.gov) plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Network Health. See the Marketplace plans section for details.
What conditions does Dr. Grant P. Sinson treat?
Dr. Grant P. Sinson provides treatment for Brain Lesions, Cervical Radiculopathy, Hemorrhoids, Pilonidal Cyst, Quadriplegia, Spinal Stenosis. For the full list see this list.
Where can you meet with Dr. Grant P. Sinson?
Dr. Grant P. Sinson's office is located at 9200 West Wisconsin Avenue Dept Of Neurosurgery in Milwaukee, WI 53226.