Christopher Walker, MD

MD • Allergy/Immunology • South Allison, IL • Vista Allergy Clinic • NPI 1882505863

Tier 1PrescriberKOLSpeaker

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Overview

Snapshot

Active

Interactions

Calls in selected period

Reps engaged

Distinct reps in period

Last contact

7w ago

Called 7w ago

Targeting score

—

No scoring data for this HCP

Recent activity: Parent HCO units -100% in the last 30 days.

Calls — weekly

13 most recent weeks for Christopher Walker, MD

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Detail

Score breakdown

Compared to similar HCPs

Cohort: Tier 1 Allergy/Immunology (122 HCPs)

Engagement (last 90 days)

4calls to this HCP · cohort median: 3

Above the cohort median by 1 call.

Rising-prescribing subset

31 of 122 cohort HCPs (25%) have rising net units at their parent HCO. They average 3.8 calls per HCP in the last 90 days.

Cohort channel mix

In-person
64%
Email
20%
Phone
9%
Video
4%
Chat or Text
2%

Descriptive comparison only. The rising subset is HCPs whose parent-HCO net units rose period-over-period — engagement patterns are correlations, not causal claims.

Reps who've called

By calls in last 12 weeks

#	Rep	Title	Last call	Calls
1	Michael Clark	Sales Representative	Jul 16, 2026	3