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DR. CHRISTOPHER JAMES MULLIN D.O.
NPI 1013265693
Family Medicine in Oceanside, CA

Active since August 29, 2012PECOS EnrolledAccepts Medicare Assignment
518 SOUTH NEVADA ST, OCEANSIDE, CA 92054(619) 208-0318 Get Directions Write a Review

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Christopher James Mullin D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHRISTOPHER JAMES MULLIN D.O. (NPI 1013265693) is an individual family medicine provider in Oceanside, California, licensed in California (D4813601) and active in the NPI registry since August 2012. He is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2012).

NPPES Registry Identity

NPI1013265693
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. CHRISTOPHER JAMES MULLINCredential: D.O.
Location Address518 SOUTH NEVADA STOceanside, CA 92054
Mailing Address518 South Nevada StOceanside, CA 92054 · (619) 208-0318
Phone(619) 208-0318
Sole ProprietorNo
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2012
Enumeration DateAugust 29, 2012
Last NPPES UpdateDecember 14, 2021
NPPES CertifiedDecember 14, 2021
✔ NPI 1013265693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · D4813601
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
518 SOUTH NEVADA ST, Oceanside, CA 92054
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Other Names 1

Other Name (5)Dr. Chris James Mullin D.o.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christopher James Mullin D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486071834
PECOS Enrollment IDI20200831000972
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Christopher Mullin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
32 mi
Health Maintenance Organization
1288 CAMINO DEL RIO N
San Diego, CA 92108
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1023425972 (877) 608-0044

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92054 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Mullin's NPI number?

The NPI number for Christopher Mullin is 1013265693. It was assigned to this individual provider in the NPPES registry on August 29, 2012. The provider is also known as Dr. Chris James Mullin D.O..

Where is Christopher Mullin located?

Christopher Mullin practices at 518 South Nevada St, Oceanside, CA 92054. The listed phone number is (619) 208-0318.

What is Christopher Mullin's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Christopher Mullin enrolled in Medicare?

Yes. Christopher Mullin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Christopher Mullin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Mullin reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christopher Mullin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christopher Mullin was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.