Xiaoguang Sun, MD
NPI 1992987028 · Internal Medicine Physician · Maplewood, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiaoguang Sun, MD is a Internal Medicine Physician provider in Maplewood, MN (NPI 1992987028).
Provider details
- NPI number
- 1992987028
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 50458 (MN)
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
375 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 50 Minutes99233 | 126 | $112 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 125 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 66 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 33 | $163 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 25 | $123 |
Typical Medicare-allowed amounts for these services range $74–$163 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 14 | 13 |
| Spironolactone | 13 | — |
| Furosemide | 13 | 11 |
| Rosuvastatin Calcium | 13 | — |
| Pantoprazole Sodium | 12 | — |
| Atorvastatin Calcium | 11 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-11-30
- Last updated
- 2010-11-01
Frequently asked questions
- What is Xiaoguang Sun's NPI number?
- Xiaoguang Sun's National Provider Identifier (NPI) is 1992987028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiaoguang Sun's specialty?
- Xiaoguang Sun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Xiaoguang Sun located?
- Xiaoguang Sun's practice location on file with NPPES is 1575 Beam Ave, Maplewood, MN 55109-1126.
- What is Xiaoguang Sun's phone number?
- The practice phone number listed in the NPPES registry for Xiaoguang Sun is (763) 244-9910.
- Does Xiaoguang Sun accept Medicare?
- Xiaoguang Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiaoguang Sun's NPI active?
- Yes — Xiaoguang Sun's NPI (1992987028) is active in the NPPES registry as of the last update on 2010-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.