Physician Profile
Based in San Francisco, CA, Tsung-Yun Tzeng, DO is listed in the NPI registry under family practice. Tsung-Yun graduated from Rowan University School of Osteopathic Medicine in 2018. Tsung-Yun is also listed as specializing in family medicine. Medicare claims data shows Tsung-Yun provided 449 services to 254 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, osteopathic manipulative treatment, 3-4 body regions, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1790281715 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2300 CALIFORNIA ST STE 103
San Francisco, CA 94115
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
449 services · 254 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Osteopathic manipulative treatment, 3-4 body regions | Treatment | 98926 |
65 | More often than most peers in Family Practice |
| Osteopathic manipulative treatment, 5-6 body regions | Treatment | 98927 |
51 | As often as other peers in Family Practice |
| Osteopathic manipulative treatment, 7-8 body regions | Treatment | 98928 |
21 | Less often than most peers in Family Practice |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
91 | More often than most peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
57 | Less often than most peers in Family Practice |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
54 | As often as other peers in Family Practice |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
41 | As often as other peers in Family Practice |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
35 | Less often than most peers in Family Practice |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
34 | More often than most peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Tzeng is a family practice in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Tzeng is listed at 2300 California St Ste 103, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 600-3503. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Tzeng's National Provider Identifier is 1790281715. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Tzeng attended Rowan University School of Osteopathic Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Dr. Tzeng has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Tzeng provides treatments such as osteopathic manipulative treatment, 3-4 body regions and osteopathic manipulative treatment, 5-6 body regions, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tzeng. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.