Michael Tzeng
NPI 1942829080 · Internal Medicine Physician · Edmonds, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Tzeng is a Internal Medicine Physician provider in Edmonds, WA (NPI 1942829080).
Provider details
- NPI number
- 1942829080
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MD61432472 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,190 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 300 | $128 |
| 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'SG2211 | 288 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 209 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 100 | $129 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 92 | $24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 205 | 85 |
| Amlodipine Besylate | 145 | 60 |
| Tamsulosin Hcl | 131 | 49 |
| Losartan Potassium | 114 | 41 |
| Lisinopril | 113 | 45 |
| Gabapentin | 73 | 26 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-09
- Last updated
- 2023-11-16
- Certified
- 2023-11-16
Frequently asked questions
- What is Michael Tzeng's NPI number?
- Michael Tzeng's National Provider Identifier (NPI) is 1942829080, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Tzeng's specialty?
- Michael Tzeng is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Tzeng located?
- Michael Tzeng's practice location on file with NPPES is 7315 212th St Sw Ste 101, Edmonds, WA 98026-7610.
- What is Michael Tzeng's phone number?
- The practice phone number listed in the NPPES registry for Michael Tzeng is (425) 775-9474.
- Does Michael Tzeng accept Medicare?
- Michael Tzeng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Tzeng's NPI active?
- Yes — Michael Tzeng's NPI (1942829080) is active in the NPPES registry as of the last update on 2023-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.