Dr. Mark N. Klein, MD

Dr. Klein practices at Fresenius Kidney Care Dogwood in Flowood, Mississippi.

Dr. Klein's NPI, 1376628529, was assigned on October 26, 2006. Dr. Klein graduated from University of Mississippi Medical Center - Jackson in 1997. Dr. Klein holds Mississippi license 15985.

Dr. Klein's primary practice is Fresenius Kidney Care Dogwood, at 205-B Belle Meade Point, Flowood, MS 39232 in Rankin County. The practice phone is (601) 813-0605. Dr. Klein also practices at Fresenius Kidney Care Dogwood, 102 Riverview Dr, Flowood, MS 39232.

Dr. Klein's primary practice is Fresenius Kidney Care Dogwood in Flowood, Mississippi. Dr. Klein is also affiliated with Mississippi Baptist Medical Center. The medical group on file is Central Nephrology Clinic. Dmand AI also links Dr. Klein to 2 more hospitals, 3 dialysis centers, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 9 sites in all. Vendor and product names are available with a free account.

Nephrology is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Klein is board certified in nephrology by the American Board of Internal Medicine. Dr. Klein is licensed in Mississippi.

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

CMS data shows 1,336 Medicare services from Dr. Klein across 17 procedure codes in 2024, for 471 Medicare patients. Medicare paid $147,237 for them.

CMS counts 471 Medicare patients who saw Dr. Klein in 2024. The largest group is under 65, with 145 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 33% are also on Medicaid. Their average risk score is 5.61, 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. Klein's median patient age at 67, with 49% women.

In 2024, Dr. Klein wrote 1,796 Medicare Part D claims for 198 patients. 84% of them were for generic drugs. CMS names the drug for 1,483 of them, across 41 drugs with 11 or more claims each, at $406,289 in total drug cost. In 2023, CMS named 1,464 claims across 39 drugs.

Dr. Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 1 paper to Dr. Klein.

CMS Open Payments shows 261 general payments to Dr. Klein from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Fresenius USA Marketing, Inc. paid the most, $549.

Dr. Klein graduated from University of Mississippi Medical Center - Jackson in 1997.

Dr. Klein is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.