Daren Primack, MD
NPI 1215905260 · Phlebology Physician · Stockton, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daren Primack, MD is a Phlebology Physician provider in Stockton, CA (NPI 1215905260).
Provider details
- NPI number
- 1215905260
- Entity type
- Individual
- Primary specialty
- Phlebology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G68135 (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
1,894 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 | 440 | $134 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 304 | $15 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 151 | $207 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 134 | $206 |
| Technetium Tc-99m Tetrofosmin, Diagnostic, Per Study DoseA9502 | 128 | $93 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rivaroxabanbrand: Xarelto | 597 | 118 |
| Metoprolol Succinate | 229 | 60 |
| Empagliflozinbrand: Jardiance | 185 | 34 |
| Atorvastatin Calcium | 150 | 45 |
| Rosuvastatin Calcium | 117 | 32 |
| Carvedilol | 116 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,827 across 40 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
- 2006-03-08
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Daren Primack's NPI number?
- Daren Primack's National Provider Identifier (NPI) is 1215905260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daren Primack's specialty?
- Daren Primack is listed in the NPPES registry with a primary specialty of Phlebology Physician (Allopathic & Osteopathic Physicians).
- Where is Daren Primack located?
- Daren Primack's practice location on file with NPPES is 1801 E March Ln, Stockton, CA 95210-6629.
- What is Daren Primack's phone number?
- The practice phone number listed in the NPPES registry for Daren Primack is (209) 464-3615.
- Does Daren Primack accept Medicare?
- Daren Primack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daren Primack's NPI active?
- Yes — Daren Primack's NPI (1215905260) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.