Physician Profile
Unclaimed ProfileAbout TZENG
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Education & Training
Areas of Expertise
Common questions
What does Dr. Tzeng specialise in?
Dr. Tzeng is an internal medicine in Monterey Park, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Tzeng located?
Dr. Tzeng is listed at 420 N GARFIELD AVE SUITE 205, Monterey Park, CA 91754. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tzeng's phone number?
The number on file is (626) 572-8626. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Tzeng's NPI number?
Dr. Tzeng's National Provider Identifier is 1578665014. 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
Where did Dr. Tzeng go to medical school?
Dr. Tzeng attended Other, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tzeng been practising?
Dr. Tzeng has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tzeng do most often?
According to Medicare billing data, Dr. Tzeng the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tzeng confirmed this information?
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (626) 572-8626
- Email not available
Practice Locations
420 N GARFIELD AVE SUITE 205
Monterey Park, CA 91754
Procedures Most Often Billed to Medicare
1,555 services · 857 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
570 |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
243 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
238 |
| 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 |
195 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
145 |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
89 |
| Advance care planning, first 30 minutes | Office visit | 99497 |
41 |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
23 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Monterey Park 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1978 at Other 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.