Alan Sun, M.D.
NPI 1104076843 · Hospitalist Physician · Longview, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Sun, M.D. is a Hospitalist Physician provider in Longview, WA (NPI 1104076843).
Provider details
- NPI number
- 1104076843
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60138073 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
845 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 357 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 261 | $121 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 145 | $117 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 59 | $179 |
| Critical Care, First 30-74 Minutes99291 | 23 | $219 |
Typical Medicare-allowed amounts for these services range $81–$219 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefpodoxime Proxetil | 40 | 40 |
| Furosemide | 27 | 24 |
| Oxycodone Hcl | 26 | 24 |
| Amlodipine Besylate | 23 | 19 |
| Prednisone | 19 | 18 |
| Pantoprazole Sodium | 19 | 19 |
| Metoprolol Succinate | 17 | 16 |
Practice location
Mailing address
Additional practice locations (2)
- 400 S 43rd StRenton, WA 98055-5714Phone: (425) 228-3440Fax: (425) 656-4214
- 101 W 8th AveSpokane, WA 99204-2307Phone: (509) 474-3260
Registry dates
- Enumerated
- 2008-09-30
- Last updated
- 2021-04-06
- Certified
- 2021-04-06
Frequently asked questions
- What is Alan Sun's NPI number?
- Alan Sun's National Provider Identifier (NPI) is 1104076843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Sun's specialty?
- Alan Sun is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Sun located?
- Alan Sun's practice location on file with NPPES is 1615 Delaware St, Longview, WA 98632-2367.
- What is Alan Sun's phone number?
- The practice phone number listed in the NPPES registry for Alan Sun is (360) 501-3601.
- Does Alan Sun accept Medicare?
- Alan Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Sun's NPI active?
- Yes — Alan Sun's NPI (1104076843) is active in the NPPES registry as of the last update on 2021-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.