Misty Leigh Mahaffey, NP

Misty Mahaffey practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Misty Mahaffey's NPI, 1831569391, was assigned on September 28, 2015. Misty Mahaffey holds California license 95003142.

Misty Mahaffey's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Misty Mahaffey's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Misty Mahaffey is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Misty Mahaffey to 1 more hospital, named with a free account. Misty Mahaffey's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Misty Mahaffey practices, 3 sites in all. Vendor and product names are available with a free account.

Nurse practitioner is Misty Mahaffey's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Misty Mahaffey is licensed in California.

CMS counts 185 Medicare patients who saw Misty Mahaffey in 2024. The largest group is 65 to 74, with 75 patients. 73% of them have high blood pressure, and 68% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Misty Mahaffey's median patient age at 63, with 49% women.

In 2024, Misty Mahaffey wrote 2,378 Medicare Part D claims for 466 patients.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Misty Mahaffey for performance year 2024, reported as part of a group. Misty Mahaffey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Misty Mahaffey as offering telehealth.

CMS Open Payments shows 18 general payments to Misty Mahaffey from 13 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Syndax Pharmaceuticals, Inc. paid the most, $147.