James Killeen, MD
NPI 1841221645 · Emergency Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Killeen, MD is a Emergency Medicine Physician provider in San Diego, CA (NPI 1841221645).
Provider details
- NPI number
- 1841221645
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A68035 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
524 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 93 | $172 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 77 | $97 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 62 | $137 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 41 | $119 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 70 | 69 |
| Cephalexin | 64 | 64 |
| Azithromycin | 56 | 56 |
| Prednisone | 30 | 29 |
| Cyclobenzaprine Hcl | 16 | 16 |
| Doxycycline Hyclate | 15 | 15 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 13 | 13 |
| Sulfamethoxazole/Trimethoprim |
Practice location
Mailing address
Additional practice locations (1)
- 9300 Campus Point DriveLa Jolla, CA 92037Phone: (858) 657-7000
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2023-05-23
- Certified
- 2023-05-23
Frequently asked questions
- What is James Killeen's NPI number?
- James Killeen's National Provider Identifier (NPI) is 1841221645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Killeen's specialty?
- James Killeen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Killeen located?
- James Killeen's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is James Killeen's phone number?
- The practice phone number listed in the NPPES registry for James Killeen is (800) 926-8273.
- Does James Killeen accept Medicare?
- James Killeen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Killeen's NPI active?
- Yes — James Killeen's NPI (1841221645) is active in the NPPES registry as of the last update on 2023-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.