Stephen Halpern, MD
NPI 1821160599 · Cardiovascular Disease Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Halpern, MD is a Cardiovascular Disease Physician provider in Santa Rosa, CA (NPI 1821160599).
Provider details
- NPI number
- 1821160599
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G30604 (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
2,058 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 | 864 | $139 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 319 | $16 |
| Heart Rhythm Review and Interpretation of Continous External Ekg Over 8-15 Days93248 | 302 | $26 |
| Heart Rhythm Recording of Continous External Ekg Over 8-15 Days93246 | 115 | $14 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 114 | $226 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 439 | 149 |
| Apixabanbrand: Eliquis | 241 | 60 |
| Rosuvastatin Calcium | 228 | 68 |
| Amlodipine Besylate | 159 | 48 |
| Hydrochlorothiazide | 112 | 29 |
| Lisinopril | 88 | 23 |
| Ezetimibe | 87 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,600 across 95 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
- 2006-11-15
- Last updated
- 2010-01-26
Frequently asked questions
- What is Stephen Halpern's NPI number?
- Stephen Halpern's National Provider Identifier (NPI) is 1821160599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Halpern's specialty?
- Stephen Halpern is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Halpern located?
- Stephen Halpern's practice location on file with NPPES is 4740 Hoen Ave, Santa Rosa, CA 95405-7824.
- What is Stephen Halpern's phone number?
- The practice phone number listed in the NPPES registry for Stephen Halpern is (707) 542-2783.
- Does Stephen Halpern accept Medicare?
- Stephen Halpern is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Halpern's NPI active?
- Yes — Stephen Halpern's NPI (1821160599) is active in the NPPES registry as of the last update on 2010-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.