CHRISTOPHER D OLONAN (MD) – Internal Medicine Physician, NPI 1013050541
Preparing for Medicare enrollment?
Use our CMS-855 prep checklist: which form applies (855I, 855O, or 855A), readiness score, NPPES field map, and Section 12 documents. Reassignment uses CMS-855I Section 4F—not the discontinued CMS-855R form.
Open Medicare 855 Prep tool →Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for CHRISTOPHER D OLONAN (MD)
PO BOX 720713
SAN DIEGO, CA 921720713
Phone: (858) 663-3533
Fax: (619) 692-4160
Type: Mailing
1835 EL CAJON BOULEVARD
SUITE 8
SAN DIEGO, CA 92103
Phone: (619) 688-9000
Fax: (619) 692-4160
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $125.
Total Amount is formed as General ($125) + Research ($0) + Ownership ($0) = $125.
Last reported payment date: 2023-05-10 • Largest payer in this snapshot: Harrow Eye, LLC ($125).
Total Amount
$125
General + Research + Ownership
Payments
1
Total payment records
General Amount
$125
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-05-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Harrow Eye, LLC | $125 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 92172)
Loading plans...
Group practice members
- 1
- 2
- 3
- 4
- 5
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | WA | |
| Internal Medicine | TX | |
| - | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine, Hospitalist | CA | |
| Internal Medicine | UT | |
| - | CA | |
| - | CA | |
| - | CA | |
| Internal Medicine, Hospitalist | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.