Dr. Gregory Withers
- Gender: Male
- Experience: 48 years
- Graduated from: University Of California, Geffen School Of Medicine
- Graduation year: 1973
- Sole propriator: Yes
- NPI: 1700804382
Dr. Gregory Withers M.D.
Neurosurgeon
He is located at 301 West Huntington Drive Suite 407 in Arcadia, CA 91007. Can help patients with the following: Brain Aneurysm, Cancer, Concussion, Heart Disease, Hemorrhoids, Pilonidal Cyst. His National Provider Identifier (NPI) number is 1700804382. Appointment can be made via the phone number (626) 821-3440. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. Gregory J. Withers, 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. Gregory Withers.
- 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
Medicare Enrollment
Dr. Gregory Withers is enrolled to bill Medicare as a Practitioner - Neurosurgery .
Bills through: Usc Care Medical Group Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| Depuy | $32 |
| Centinel Spine | $28 |
| St. Jude Medical | $28 |
Other
| Food and Beverage | $100 |
Studies
UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated in 1973Additional Specialities
- Surgeon
Sanctions
| Date | Description | Board |
|---|---|---|
| 01/06/2020 | Accusation Filed | Medical Board of California |
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Questions & Answers
Has Dr. Gregory J. Withers affiliation with hospitals?
Dr. Gregory J. Withers is affiliated with METHODIST HOSPITAL OF SOUTHERN CA. For the full list of hospitals see this list.
Does Dr. Gregory J. Withers accept insurance?
Unfortunately we don't have any information if Dr. Gregory J. Withers accepts insurance.
Where can you meet with Dr. Gregory J. Withers?
Dr. Gregory J. Withers's office is located at 301 West Huntington Drive Suite 407 in Arcadia, CA 91007.
What conditions does Dr. Gregory J. Withers treat?
Dr. Gregory J. Withers provides treatment for Brain Aneurysm, Cancer, Concussion, Heart Disease, Hemorrhoids, Pilonidal Cyst. For the full list see this list.
Does Dr. Gregory J. Withers have affiliation with practices?
Dr. Gregory J. Withers is affiliated with Gregory J Withers MD.