Leland Teng, MD
NPI 1033138730 · Internal Medicine Physician · Bellevue, WA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leland Teng, MD is a Internal Medicine Physician provider in Bellevue, WA (NPI 1033138730).
Provider details
- NPI number
- 1033138730
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00021866 (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
19 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
297 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 76 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 73 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $141 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 40 | $143 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $197 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 140 | 40 |
| Amlodipine Besylate | 81 | 25 |
| Gabapentin | 75 | 16 |
| Lisinopril | 72 | 22 |
| Losartan Potassium | 64 | 17 |
| Duloxetine Hcl | 56 | 14 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2020-07-23
- Certified
- 2020-07-23
Frequently asked questions
- What is Leland Teng's NPI number?
- Leland Teng's National Provider Identifier (NPI) is 1033138730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leland Teng's specialty?
- Leland Teng is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leland Teng located?
- Leland Teng's practice location on file with NPPES is 11695 Ne 4th St, Bellevue, WA 98004-5268.
- What is Leland Teng's phone number?
- The practice phone number listed in the NPPES registry for Leland Teng is (425) 637-1855.
- Does Leland Teng accept Medicare?
- Leland Teng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leland Teng's NPI active?
- Yes — Leland Teng's NPI (1033138730) is active in the NPPES registry as of the last update on 2020-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.