Physician Profile
Unclaimed ProfileAbout SUN
Alexander Sun, MD is a hospitalist based in Aurora, CO. Alexander is a 2015 graduate of Perelman School of Med at the University of Pennsylvania. According to Medicare claims data, Alexander cared for 121 Medicare patients across 242 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Sun?
Dr. Sun is a hospitalist in Aurora, CO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HOSPITALIST”.
NPI registry
What is Dr. Sun's address?
Dr. Sun is listed at 12605 E 16TH AVE, Aurora, CO 80045. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Sun?
The number on file is (720) 848-0000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sun's NPI number?
Dr. Sun's National Provider Identifier is 1891189262. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Sun train?
Dr. Sun attended Perelman School of Med at the University of Pennsylvania, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sun been practicing?
Dr. Sun has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Sun perform?
According to Medicare billing data, Dr. Sun the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Sun confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sun. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (720) 848-0000
- Email not available
Practice Locations
12605 E 16TH AVE
Aurora, CO 80045
Procedures Most Often Billed to Medicare
242 services · 121 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
117 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
45 |
| Prolonged hospital inpatient or observation care 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 t | Billing code | G0316 |
44 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
21 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hospitalists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hospitalists in Aurora 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Perelman School of Med at the University of Pennsylvania 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Perelman School of Med at the University of Pennsylvania 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.