Robert Sperling, M.D.
NPI 1558351387 · Interventional Cardiology Physician · Larkspur, CA
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Sperling, M.D. is a Interventional Cardiology Physician provider in Larkspur, CA (NPI 1558351387).
Provider details
- NPI number
- 1558351387
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A80228 (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 tenure25% of score
20 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
3,997 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 | 1,130 | $145 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 937 | $18 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 415 | $13 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 239 | $17 |
| Outpatient Heart Rehabilitation With Electrocardiogram (ecg) Monitoring, Quality Health Care Professional Services93798 | 220 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 699 | 234 |
| Rosuvastatin Calcium | 526 | 178 |
| Metoprolol Succinate | 430 | 143 |
| Amlodipine Besylate | 376 | 131 |
| Losartan Potassium | 314 | 111 |
| Ezetimibe | 310 | 108 |
| Apixabanbrand: Eliquis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$959 across 27 records (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
- 2005-10-24
- Last updated
- 2012-04-09
Frequently asked questions
- What is Robert Sperling's NPI number?
- Robert Sperling's National Provider Identifier (NPI) is 1558351387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Sperling's specialty?
- Robert Sperling is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Sperling located?
- Robert Sperling's practice location on file with NPPES is 2 Bon Air Rd, Larkspur, CA 94939-1141.
- What is Robert Sperling's phone number?
- The practice phone number listed in the NPPES registry for Robert Sperling is (415) 927-0666.
- Does Robert Sperling accept Medicare?
- Robert Sperling is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Sperling's NPI active?
- Yes — Robert Sperling's NPI (1558351387) is active in the NPPES registry as of the last update on 2012-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.