Doctor profile · Federal record

Dr. Zian Tseng, M.D.

Internal Medicine Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · San Francisco, CA

  • NPI 1487691622
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
350 Parnassus Ave Suite 204
San Francisco, CA 941430001
(415) 353-2554
fax (415) 353-4339
Mailing address
1635 Divisadero Street, Suite 625, Box 1821
San Francisco, CA 941430001

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 5, 2008
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A70651
Medicaid
CA #00A706510

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487691622. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
695
Distinct HCPCS
8
Medicare allowed
$37,070
HCPCS Description Services Patients Avg allowed
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 222 66 $34
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 178 149 $9
99215 Established patient office or other outpatient visit, 40-54 minutes 105 78 $162
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 85 24 $41
93280 Programming of dual lead pacemaker system 50 35 $42
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 25 25 $9
99205 New patient office or other outpatient visit, 60-74 minutes 18 18 $203
92960 External shock to heart to regulate heart beat 12 11 $123

In context: peer comparison

Among 236 peers in this city , average services per provider: 93. This provider delivers 7.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$744
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 3 $384.28
Abbott Laboratories 2 $269.72
Biosense Webster, Inc. 1 $90.02

By nature of payment

Food and Beverage
$744

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$24,761
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 14 0 $24,761

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zian Tseng's medical specialty?
Dr. Zian Tseng practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Zian Tseng practice?
Dr. Zian Tseng practices at 350 Parnassus Ave Suite 204, San Francisco, CA 941430001. Office phone: 4153532554.
What is Dr. Zian Tseng's NPI?
Dr. Zian Tseng's National Provider Identifier (NPI) is 1487691622, issued by NPPES.
Does Dr. Zian Tseng accept Medicare assignment?
Yes. Dr. Zian Tseng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zian Tseng commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS 93294); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.