Jennifer Harris, MD
NPI 1003912015 · Emergency Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Harris, MD is a Emergency Medicine Physician provider in Oakland, CA (NPI 1003912015).
Provider details
- NPI number
- 1003912015
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A92120 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
380 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 | 213 | $185 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 65 | $128 |
| Critical Care, First 30-74 Minutes99291 | 38 | $231 |
| Ultrasound of Heart, Follow-Up93308 | 31 | $27 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $193 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 14 | $130 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-16
- Last updated
- 2014-11-17
Frequently asked questions
- What is Jennifer Harris's NPI number?
- Jennifer Harris's National Provider Identifier (NPI) is 1003912015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Harris's specialty?
- Jennifer Harris is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Harris located?
- Jennifer Harris's practice location on file with NPPES is 275 W Macarthur, Oakland, CA 94611-5641.
- What is Jennifer Harris's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Harris is (510) 752-1000.
- Does Jennifer Harris accept Medicare?
- Jennifer Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Harris's NPI active?
- Yes — Jennifer Harris's NPI (1003912015) is active in the NPPES registry as of the last update on 2014-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.