Connor Johnson, MD
NPI 1780010603 · Hospitalist Physician · Emeryville, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Connor Johnson, MD is a Hospitalist Physician provider in Emeryville, CA (NPI 1780010603).
Provider details
- NPI number
- 1780010603
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A138799 (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
12 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
1,618 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 626 | $117 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 366 | $115 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 314 | $78 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 181 | $172 |
| Advance Care Planning, First 30 Minutes99497 | 96 | $75 |
| Critical Care, First 30-74 Minutes99291 | 24 | $209 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 34 | 30 |
| Cefdinir | 21 | 20 |
| Apixabanbrand: Eliquis | 21 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 17 |
| Atorvastatin Calcium | 17 | 17 |
| Metoprolol Succinate | 14 | 12 |
| Clopidogrel Bisulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-09-24
- Last updated
- 2023-01-11
- Certified
- 2023-01-11
Frequently asked questions
- What is Connor Johnson's NPI number?
- Connor Johnson's National Provider Identifier (NPI) is 1780010603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Connor Johnson's specialty?
- Connor Johnson is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Connor Johnson located?
- Connor Johnson's practice location on file with NPPES is 2100 Powell St Ste 400, Emeryville, CA 94608-1872.
- What is Connor Johnson's phone number?
- The practice phone number listed in the NPPES registry for Connor Johnson is (510) 851-7501.
- Does Connor Johnson accept Medicare?
- Connor Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Connor Johnson's NPI active?
- Yes — Connor Johnson's NPI (1780010603) is active in the NPPES registry as of the last update on 2023-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.