Dr. William George Grubb, MD

Dr. Grubb practices at St. Marys Dialysis in Brunswick, Georgia.

Dr. Grubb's NPI, 1093721532, was assigned on August 1, 2006. Dr. Grubb graduated from Heersink School of Medicine - Birmingham in 1972. Dr. Grubb's Georgia license number on file is 016606.

Dr. Grubb's primary practice is St. Marys Dialysis, at 3025 Shrine Rd, Brunswick, GA 31520 in Glynn County. The practice phone is (912) 882-7507.

Dr. Grubb's primary practice is St. Marys Dialysis in Brunswick, Georgia. Dr. Grubb is also affiliated with Southeast Georgia Health System-Brunswick Campus. The medical group on file is Nephrology & Hypertension Medical Associates. Dmand AI also links Dr. Grubb to 1 more hospital, 3 home health agencies, 2 dialysis centers and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grubb practices, 8 sites in all. Vendor and product names are available with a free account.

Nephrology is Dr. Grubb's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Grubb is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Grubb's licenses on file in 2 states: Georgia and Florida.

Dmand AI lists acute kidney failure, chronic anemia, chronic kidney disease, fluid and electrolyte imbalances, gout, hypercalcemia, kidney disease and parathyroid gland disorder among the conditions Dr. Grubb treats.

CMS data shows 1,923 Medicare services from Dr. Grubb across 12 procedure codes in 2024, for 500 Medicare patients. Medicare paid $164,561 for them.

CMS counts 500 Medicare patients who saw Dr. Grubb in 2024. The largest group is 75 to 84, with 214 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.32, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Grubb's median patient age at 77, with 53% women.

In 2024, Dr. Grubb wrote 11,267 Medicare Part D claims for 541 patients. 82% of them were for generic drugs. CMS names the drug for 10,474 of them, across 165 drugs with 11 or more claims each, at $1,926,809 in total drug cost. In 2023, CMS named 10,572 claims across 176 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Grubb for performance year 2024, reported individually. Dr. Grubb accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Grubb as offering telehealth.

Dmand AI links 3 papers to Dr. Grubb. Dr. Grubb's most frequent co-author is Thomas Crawford Marbury, MD.

CMS Open Payments shows 816 general payments to Dr. Grubb from 72 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Amgen Inc. paid the most, $1,671.

Dmand AI lists 1 award for Dr. Grubb, most recently CMS Stage 1 2012 in 2011.

Dr. Grubb graduated from Heersink School of Medicine - Birmingham in 1972.

Dr. Grubb is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.