Bob Thong, MD
NPI 1538352802 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bob Thong, MD is a Internal Medicine Physician provider in Seattle, WA (NPI 1538352802).
Provider details
- NPI number
- 1538352802
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD60123029 (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
18 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
738 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) |
|---|---|---|
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 243 | $163 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 183 | $135 |
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifiG0317 | 103 | $32 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 63 | $213 |
| Prolonged Home Or Residence Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifG0318 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 119 | 19 |
| Quetiapine Fumarate | 77 | 12 |
| Atorvastatin Calcium | 73 | 11 |
| Amlodipine Besylate | 64 | 14 |
| Sertraline Hcl | 60 | — |
| Apixabanbrand: Eliquis | 59 | — |
| Latanoprost |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-21
- Last updated
- 2025-01-07
- Certified
- 2025-01-07
Frequently asked questions
- What is Bob Thong's NPI number?
- Bob Thong's National Provider Identifier (NPI) is 1538352802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bob Thong's specialty?
- Bob Thong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bob Thong located?
- Bob Thong's practice location on file with NPPES is 1111 W Blaine St, Seattle, WA 98119-2909.
- What is Bob Thong's phone number?
- The practice phone number listed in the NPPES registry for Bob Thong is (206) 659-7816.
- Does Bob Thong accept Medicare?
- Bob Thong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bob Thong's NPI active?
- Yes — Bob Thong's NPI (1538352802) is active in the NPPES registry as of the last update on 2025-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.