DR. DAREN STEPHEN PRIMACK MD
NPI 1215905260
Phlebology in Stockton, CA

Active since March 08, 2006PECOS EnrolledAccepts Medicare Assignment
97.12/100
CMS Quality Rating
1801 E MARCH LN, STE. D400, STOCKTON, CA 95210(209) 464-3615(209) 464-1311 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 22, 2026, Mar 7, 2023 (2 updates tracked since 2023).

About Dr. Daren Stephen Primack Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DAREN STEPHEN PRIMACK MD (NPI 1215905260) is an individual phlebology provider in Stockton, California, licensed in California (G68135) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1988).

NPPES Registry Identity

NPI1215905260
Entity TypeIndividualMale
Primary Taxonomy202K00000X
Provider Legal NameDR. DAREN STEPHEN PRIMACKCredential: MD
Location Address1801 E MARCH LN, STE. D400Stockton, CA 95210-6629
Mailing Address1801 E March Ln Ste D400Stockton, CA 95210-6675 · (209) 464-3615 · Fax (209) 464-1311
Fax(209) 464-1311
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1988
Enumeration DateMarch 8, 2006
Last NPPES UpdateJanuary 22, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
NPI 1215905260 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhlebologyAllopathic & Osteopathic Physicians
Taxonomy Code202K00000X
License Licensed in CA · G68135
Definition
Phlebology is the medical discipline that involves the diagnosis and treatment of venous disorders, including spider veins, varicose veins, chronic venous insufficiency, venous leg ulcers, congenital venous abnormalities, venous thromboembolism and other disorders of venous origin. A phlebologist has attained a minimum of 50 hours of CME units in phlebology-related courses, and is knowledgeable of and trained in a variety of diagnostic techniques including physical examination, venous imaging techniques such as duplex ultrasound, CT and MR, plethysmographic techniques and laboratory evaluation related to venous thromboembolism. The phlebologist is also trained in a variety of therapeutic interventions, which may include compression, sclerotherapy, cutaneous vascular laser, endovenous thermoablation procedures (laser and radiofrequency) endovenous chemical ablation, surgical procedures (e.g., ambulatory phlebectomy, venous ligation), vasoactive medications and the management of venous thromboembolism.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License G68135 (CA)
1801 E MARCH LN, Stockton, CA 95210

Other Identifiers 2

Medicaid00G681350CA
OtherG68135CA · Medical License Number

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Daren Stephen Primack Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931144110
PECOS Enrollment IDI20080731000484
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
440 services286 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
304 services252 patients
Injection, regadenoson, 0.1 mg J2785
Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.
196 services49 patients
Ultrasound of both sides of head and neck blood flow 93880
An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.
151 services150 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
134 services132 patients
Technetium tc-99m tetrofosmin, diagnostic, per study dose A9502
Technetium Tc-99m Tetrofosmin is a radiopharmaceutical used in diagnostic imaging. It helps highlight areas of concern in the heart by emitting signals captured by a special camera. This assists doctors in detecting heart conditions.
128 services64 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.24
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
91%548 patients4/55-star benchmark: 100%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
99%602 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
97%473 patients4/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
40%473 patients2/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
15%473 patients1/55-star benchmark: 79%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
Percentage of the following patients - all considered at high risk of cardiovascular events - who were prescribed or were on statin therapy during the measurement period: - Adults aged >= 21 years who were previously diagnosed with or currently have an active…
88%610 patients4/55-star benchmark: 89%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Interventional Cardiology)
1801 E MARCH LN, A-170
STOCKTON, CA 95210
Internal Medicine (Pulmonary Disease)
1801 E MARCH LN, SUITE C300
STOCKTON, CA 95210
Specialist
1801 E MARCH LN, SUITE B265
STOCKTON, CA 95210
Pharmacy (Community/Retail Pharmacy)
1801 E MARCH LN, BLDG B STE 280
STOCKTON, CA 95210
Internal Medicine (Sleep Medicine)
1801 E MARCH LN, SUITE C310
STOCKTON, CA 95210
Nurse Practitioner
1801 E MARCH LN
STOCKTON, CA 95210
Pharmacist
1801 E MARCH LN, SUITE B280
STOCKTON, CA 95210
Internal Medicine (Interventional Cardiology)
1801 E MARCH LN
STOCKTON, CA 95210

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daren Primack's NPI number?

The NPI number for Daren Primack is 1215905260. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Daren Primack located?

Daren Primack practices at 1801 E March Ln Ste. D400, Stockton, CA 95210. The listed phone number is (209) 464-3615.

What is Daren Primack's specialty?

The primary specialty registered for this NPI is Phlebology with taxonomy code 202K00000X.

Is Daren Primack enrolled in Medicare?

Yes. Daren Primack is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Daren Primack was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.