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Active NPI 1699200709 Individual Practitioner Male Practitioner

Dr. David Tseng , DO

Internal Medicine • San Leandro, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Tseng, DO is a certified Internal Medicine practicing in San Leandro, CA. With approximately 9 years of clinical experience since completing medical education in 2017, Dr. Tseng delivers high-quality medical care to the local community at 13855 E 14TH ST.

Dr. Tseng is affiliated with Alameda Health System and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

13855 E 14th St

San Leandro, CA 945782600

Telephone 5103576500
Associated Practice Facility / Clinic
🏢 Phoenix Emergency Physicians Facility NPI 1689665317

Medicare Profile & Education

Medical School

Other

Graduation Year

2017

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in San Leandro, CA

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
9 Yrs -13.2 yrs vs City Avg
City Avg: 22.2 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
62 Specialists

Practicing in San Leandro, CA (18502 Statewide)

Telehealth Adoption Rate
27.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Tseng (9 Years) 9 Yrs
San Leandro Specialty Average (22.2 Years) 22.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
354 109 $403.32 $133.04
99239 Hospital discharge day management, more than 30 minutes
89 86 $394.10 $131.07
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
62 60 $588.06 $194.66
99285 Emergency department visit for life threatening or functioning severity
47 46 $567.65 $186.72

Medical Specialties & State Licenses

CMS Verified: 2021-06-15
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA 20A17261

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License CA 20A17261

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Hospital & Practice Group Affiliations

Alameda Health System

13855 E 14th St, San Leandro, CA 945782611

Phone: 5103576500

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners
Jordan Lalonde , PA-C

Physician Assistant

NPI 1063763977

Physician Assistant (Certified)

Sarah Archenbronn , FNP-BC

Nurse Practitioner - Family

NPI 1154664241

Family Nurse Practitioner (Board Certified)

Lindsay Allen , PA-C

Physician Assistant

NPI 1215371745

Physician Assistant (Certified)

Jillian Pierson , PA-C

Physician Assistant

NPI 1396306148

Physician Assistant (Certified)

Dr. Matthew Hughes , MD

Emergency Medicine

NPI 1710500491

Doctor of Medicine (M.D.)

Dr. Javad Hashmi , MD

Emergency Medicine

NPI 1861710840

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Business Mailing Address June 15, 2021

Registered at 13855 E 14TH ST, SAN LEANDRO, CA 945782611 (Tel: 5103576500)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 15, 2021

Internal Medicine (License #20A17261 in CA)

📍
Updated Practice Location July 01, 2020

Registered at 13855 E 14TH ST, SAN LEANDRO, CA 945782600 (Tel: 5103576500)

📍
Updated Business Mailing Address July 01, 2020

Registered at 1 OBSERVATION PL, OAKLAND, CA 946111028 (Tel: 6262907766)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 01, 2020

Hospitalist (License #20A17261 in CA)

NPI Profile Active April 26, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location April 26, 2017

Registered at 400 W PUEBLO STREET, SANTA BARBARA COTTAGE HOSPITAL MEDICAL EDUCATION OFFICE, SANTA BARBARA, CA 93105 (Tel: 8055697315)

📍
Updated Business Mailing Address April 26, 2017

Registered at 400 W. PUEBLO STREET, SANTA BARBARA COTTAGE HOSPITAL MEDICAL EDUCATION OFFICE, SANTA BARBARA, CA 93105 (Tel: 8055697315)

👤
Provider Name / Credentials Updated April 26, 2017

Recorded as DAVID TSENG, D.O.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 26, 2017

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 26, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1699200709
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 26, 2017
Last Update: June 15, 2021
Sole Proprietor: No

Mailing Address

13855 E 14th St

San Leandro, CA 945782611

Phone: 5103576500

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.