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Christopher Rafael Llerena, MD

Internal Medicine · Stanford

NPI 1467155382

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Office
1

Offices

1 location

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Llerena’s office at (650) 723-4000 to ask if they take your plan before you enroll.

Drugs they prescribed that Part D paid

$16,821

Pharmacies billed $16,821 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

Opioids were 0% of their Part D prescriptions (0 of 110) in 2024. At or below the middle of the specialty; the typical student in an organized health care education/training program clinician is at 0%.

88 generic and fewer than 11 brand-name prescriptions · $16,821 in drug cost.

Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.

Largest Part D drug costs
Torsemide14$269$19
Metoprolol13$205$16

Year by year

Part D prescribing by year
2024110220% (0)None$16,821
202327None0% (0)None$4,744

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

Professional record

NPI
1467155382
More record details
Sole proprietor
No
Taxonomy
Internal medicine (207R00000X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2023-03-22
NPI last updated
2026-08-03
NPI record certified
2026-08-03

This is when the NPI record was last certified, not a medical board exam.