Daniel Jung Lee, M.D.

Hematology & Oncology

Internal Medicine

Also practices: HEMATOLOGY/ONCOLOGY

(707) 651-1077Vallejo, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Patients across CA can see Daniel Jung Lee, M.D. in person in Vallejo or via virtual visit — no travel required. He has been in practice for 14+ years. An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders.

At a glance

  • Prescribes opioids less than 26% of reporting doctors in California
  • Virtual visits available — no app or travel required
1 of 796 Internal Medicine providers in CASee all Internal Medicine in Vallejo14+ years experienceNPI since 2012

Older · 256dNPPES updated 2025-08-22 · verify on CMS

Contact & Location

Practice Location

975 Sereno Dr. Mob Suite 210 Dept of Oncology, Vallejo, CA 94589-2441

Fax: (707) 651-2792
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively.

Opioid Rx

↓ Lower = better

3.65%

California avg: 5.2 · US avg: 5.1

Higher than most doctors nationally(-1.4 pts)

3.65% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Medicare Patients

12

Unique beneficiaries

Boutique practice

Prescription Recipients

145

Patients prescribed

Prescriptions Written

823

Total claims

Total Medicare drug cost: $3.44M

Percentile rankings compared against 9,360 reporting peers in California.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Industry Payment Transparency

$2.9k received from industry

88 transactions reported in 2018 ·Moderate tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Daniel Jung Lee's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Board certified · Aug 17, 2025

    CMS-verified certification date

  2. 14 years in practice

    Established

Internal MedicineHematology & Oncology in VallejoAllopathic & Osteopathic Physicians

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Taxonomy: 207RH0003X

Virtual Hematology & Oncology Care With Daniel Jung Lee

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Daniel Jung Lee for follow-ups, medication reviews, and ongoing care — no travel to Vallejo required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Daniel Jung Lee

Dr. Lee is listed as active in the NPI registry with telehealth listed in Vallejo, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (707) 651-1077.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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