Dr. Kristine Vb Ahern, MD

Dr. Ahern practices at Sunnyvale Center in Sunnyvale, California.

Dr. Ahern's NPI, 1871543702, was assigned on May 11, 2006. Dr. Ahern graduated from Stanford University School Of Medicine in 1998. Dr. Ahern holds California license A69488.

Dr. Ahern's primary practice is Sunnyvale Center, at 401 Old San Francisco Rd, 2nd Fl, Sunnyvale, CA 94086. The practice phone is (408) 730-6227.

Dr. Ahern's primary practice is Sunnyvale Center in Sunnyvale, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Ahern to 1 more group practice or clinic, named with a free account. Dr. Ahern's employer is on file too: a clinical lab.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahern practices, 2 sites in all. Vendor and product names are available with a free account.

Dermatology is Dr. Ahern's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Ahern is board certified in dermatology by the American Board of Dermatology. Dr. Ahern is licensed in California.

Dmand AI lists acute skin infection, benign or precancerous skin growths, cold sores or genital herpes, contact dermatitis, hives, itchy rashes, psoriasis and rash among the conditions Dr. Ahern treats.

CMS data shows 2,379 Medicare services from Dr. Ahern across 11 procedure codes in 2024, for 475 Medicare patients. Medicare paid $128,755 for them. Every service was in an office.

CMS counts 475 Medicare patients who saw Dr. Ahern in 2024. The largest group is 65 to 74, with 224 patients. 68% of them have high cholesterol, and 56% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.77, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ahern's median patient age at 65, with 57% women.

In 2024, Dr. Ahern wrote 776 Medicare Part D claims for 276 patients. 93% of them were for generic drugs. CMS names the drug for 650 of them, across 19 drugs with 11 or more claims each, at $105,316 in total drug cost. In 2023, CMS named 566 claims across 20 drugs.

Dr. Ahern accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ahern as offering telehealth. CMS counts 637 procedures of removal of skin lesions by Dr. Ahern, more than 89% of the clinicians it reports for that procedure.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 74 general payments to Dr. Ahern from 17 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 99% of the total. Sanofi and Genzyme US Companies paid the most, $377.

Dmand AI lists 2 awards for Dr. Ahern, most recently CMS Stage 1 EHR in 2013.

Dr. Ahern graduated from Stanford University School Of Medicine in 1998. Dr. Ahern is a member of AAD.

Dr. Ahern is in network with 11 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.