Derek Richardson, MD
NPI 1871750851 · Emergency Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Richardson, MD is a Emergency Medicine Physician provider in San Francisco, CA (NPI 1871750851).
Provider details
- NPI number
- 1871750851
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
672 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 | 351 | $192 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 169 | $132 |
| Critical Care, First 30-74 Minutes99291 | 67 | $239 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 44 | $9 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 29 | $76 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 | 12 | $44 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 23 | 23 |
| Prednisone | 17 | 17 |
| Cephalexin | 15 | 15 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 15 | 15 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 13 |
| Oxycodone Hcl | 12 | 12 |
| Azithromycin | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-19
- Last updated
- 2016-08-25
Frequently asked questions
- What is Derek Richardson's NPI number?
- Derek Richardson's National Provider Identifier (NPI) is 1871750851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Richardson's specialty?
- Derek Richardson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Derek Richardson located?
- Derek Richardson's practice location on file with NPPES is 1689 Turk St, San Francisco, CA 94115-4527.
- What is Derek Richardson's phone number?
- The practice phone number listed in the NPPES registry for Derek Richardson is (734) 476-9305.
- Does Derek Richardson accept Medicare?
- Derek Richardson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Richardson's NPI active?
- Yes — Derek Richardson's NPI (1871750851) is active in the NPPES registry as of the last update on 2016-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.