Christopher Mullin, D.O.
NPI 1013265693 · Family Medicine Physician · Oceanside, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Mullin, D.O. is a Family Medicine Physician provider in Oceanside, CA (NPI 1013265693).
Provider details
- NPI number
- 1013265693
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- D4813601 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 637 | 232 |
| Lisinopril | 354 | 123 |
| Losartan Potassium | 238 | 82 |
| Amlodipine Besylate | 222 | 82 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 170 | 41 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 161 | 35 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-08-29
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is Christopher Mullin's NPI number?
- Christopher Mullin's National Provider Identifier (NPI) is 1013265693, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Mullin's specialty?
- Christopher Mullin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Mullin located?
- Christopher Mullin's practice location on file with NPPES is 518 South Nevada St, Oceanside, CA 92054.
- What is Christopher Mullin's phone number?
- The practice phone number listed in the NPPES registry for Christopher Mullin is (619) 208-0318.
- Does Christopher Mullin accept Medicare?
- Christopher Mullin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Mullin's NPI active?
- Yes — Christopher Mullin's NPI (1013265693) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.