CHRISTOPHER D OLONAN (MD) – Internal Medicine Physician, NPI 1013050541

CHRISTOPHER D OLONAN (MD) is a healthcare provider. based in San diego, California. specializing in Internal Medicine Physician. They hold the professional credentials MD. They hold a License No. A88005 (CA). The NPI Number for CHRISTOPHER D OLONAN (MD) is 1013050541

Main info

Male
24 Years Of Experience
Accepts Medicare Assignment
Name
CHRISTOPHER D OLONAN (MD)
NPI
1013050541
Phone
(858) 663-3533
Address
PO BOX 720713
Enumeration Date
15 February 2007
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Secondary Phone
7607248411
Graduation Year
2002 (24 years ago)
PAC ID
4486751500
Group Practice PAC ID
8426062027
Professional Enrollment ID
I20070523000634
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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

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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

CompanyAmount
Harrow Eye, LLC$125
View all Open Payments →|Open Payments Risk Radar →

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)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8426062027View full group profile
NameSpecialtyState
Internal MedicineWA
Internal MedicineTX
-CA
Nurse PractitionerCA
Internal Medicine, HospitalistCA
Internal MedicineUT
-CA
-CA
-CA
Internal Medicine, HospitalistCA

Reviews

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Frequently asked questions

How is CHRISTOPHER D OLONAN (MD) identified in CMS data?
CMS-hosted NPPES data lists CHRISTOPHER D OLONAN (MD) with NPI 1013050541.
Can I rely on CHRISTOPHER D OLONAN (MD) being an active provider?
As of the registry snapshot, CHRISTOPHER D OLONAN (MD) is marked active.
What is CHRISTOPHER D OLONAN (MD)'s primary classification?
Internal Medicine Physician is the headline specialty for CHRISTOPHER D OLONAN (MD) here. Clinical services aligned with this taxonomy classification.
Where is CHRISTOPHER D OLONAN (MD) based?
CHRISTOPHER D OLONAN (MD) is tied to San Diego, California in the data we show; additional addresses may exist on the full record.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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