Rollington Ferguson, MD
NPI 1962582189 · Cardiovascular Disease Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rollington Ferguson, MD is a Cardiovascular Disease Physician provider in Oakland, CA (NPI 1962582189).
Provider details
- NPI number
- 1962582189
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 00G72372 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,555 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 830 | $144 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 206 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 169 | $200 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 132 | $115 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 92 | $237 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 151 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 757 | 195 |
| Atorvastatin Calcium | 576 | 157 |
| Losartan Potassium | 410 | 116 |
| Carvedilol | 329 | 94 |
| Apixabanbrand: Eliquis | 305 | 61 |
| Potassium Chloride | 251 | 72 |
| Empagliflozinbrand: Jardiance |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$116 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2011-06-02
Frequently asked questions
- What is Rollington Ferguson's NPI number?
- Rollington Ferguson's National Provider Identifier (NPI) is 1962582189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rollington Ferguson's specialty?
- Rollington Ferguson is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Rollington Ferguson located?
- Rollington Ferguson's practice location on file with NPPES is 368 28th Street, Oakland, CA 94609-3601.
- What is Rollington Ferguson's phone number?
- The practice phone number listed in the NPPES registry for Rollington Ferguson is (510) 465-7382.
- Does Rollington Ferguson accept Medicare?
- Rollington Ferguson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rollington Ferguson's NPI active?
- Yes — Rollington Ferguson's NPI (1962582189) is active in the NPPES registry as of the last update on 2011-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.