Dr. Benjamin Chih-An Sun, MD
- Medicare services, 2024
- 96
- Medicare patients, 2024
- 101
- Hospital affiliations
- 2
- Industry payments
- $10,985
- Medical groups
- 2
- Practice address
- 3400 Spruce Street, White Bldg 1st Flr, Philadelphia, PA 19104
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr)
Long Term Care Hospital · Philadelphia, Pennsylvania
Find Dr. Sun's professional email, personal email and mobile number
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Dr. Benjamin Chih-An Sun is an emergency medicine physician in Philadelphia, Pennsylvania
Dr. Sun practices at Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) in Philadelphia, Pennsylvania.
Dr. Sun's NPI, 1083697791, was assigned on November 28, 2005. Dr. Sun graduated from Harvard Medical School in 2000. Dr. Sun holds Pennsylvania license MD465132.
- NPI
- 1083697791NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476521253
- NPI enumeration date
- November 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Chih-An Sun practices at Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) in Philadelphia, Pennsylvania
Dr. Sun's primary practice is Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr), at 3400 Spruce Street, White Bldg 1st Flr, Philadelphia, PA 19104.
- Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr)3400 Spruce Street, White Bldg 1st Flr, Philadelphia, PA 19104
Source: Dmand AI Affiliation Data
Dr. Benjamin Chih-An Sun is affiliated with 2 sites of care and 2 medical groups
Dr. Sun's primary practice is Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) in Philadelphia, Pennsylvania. Dr. Sun is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Sun to 1 more medical group, named with a free account. Dr. Sun's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Benjamin Chih-An Sun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sun practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin Chih-An Sun is one of 2,549 emergency medicine physicians in Pennsylvania
Emergency medicine is Dr. Sun's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sun is licensed in Pennsylvania.
Specialties and state licenses
- Emergency medicine, PennsylvaniaPrimary
Emergency medicine physicians near Dr. Sun
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Benjamin Chih-An Sun billed Medicare for 96 services in 2024
CMS data shows 96 Medicare services from Dr. Sun across 3 procedure codes in 2024, for 101 Medicare patients. Medicare paid $12,876 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 732024: 9632%
Dr. Sun compared with the Pennsylvania median for emergency medicine physicians, 2024
- Dr. Sun
- Pennsylvania median
- Medicare services
- 96vs 24360% below
- Medicare patients
- 101vs 23357% below
Medians across 2,501 emergency medicine physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Sun's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sun and other emergency medicine physicians in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Benjamin Chih-An Sun treated 101 Medicare patients in 2024, average age 73
CMS counts 101 Medicare patients who saw Dr. Sun in 2024. The largest group is 65 to 74, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.80, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sun's median patient age at 51, with 57% women.
Dr. Sun's Medicare patients by age, 2024
Dr. Sun's Medicare patients by sex, 2024
- Women5352%
- Men4848%
Chronic conditions among Dr. Sun's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease52%
- Mood disorders50%
- Anxiety49%
- Heart failure49%
- Arthritis48%
- Ischemic heart disease45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Benjamin Chih-An Sun takes part in Medicare
Dr. Sun accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Benjamin Chih-An Sun received $10,985 in industry payments from 2018 to 2025
CMS Open Payments shows 13 general payments to Dr. Sun from 4 drug and device companies from 2018 to 2025. Speaker and faculty fees make up the largest share, 49% of the total. Abbott Laboratories paid the most, $6,802.
General payments to Dr. Sun by program year, 2018 to 2025
General payments to Dr. Sun by kind, 2018 to 2025
- Speaker and faculty fees$5,40049%
- Consulting fees$4,10037%
- Travel and lodging$8418%
- Food and beverage$6456%
Companies that paid Dr. Sun the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Benjamin Chih-An Sun graduated from Harvard Medical School
Dr. Sun graduated from Harvard Medical School in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Benjamin Chih-An Sun's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Benjamin Chih-An Sun
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Benjamin Chih-An Sun's NPI number?
Dr. Benjamin Chih-An Sun's NPI number is 1083697791. It was assigned on November 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Chih-An Sun?
Dr. Benjamin Chih-An Sun is an emergency medicine physician in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Benjamin Chih-An Sun practice?
Dr. Sun practices at 3400 Spruce Street, White Bldg 1st Flr, Philadelphia, PA 19104. Dr. Sun's primary practice is Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) in Philadelphia, Pennsylvania. Dmand AI also links Dr. Sun to 1 medical group.
What is Dr. Benjamin Chih-An Sun's medical license number?
Dr. Sun holds Pennsylvania license MD465132.
Which hospitals is Dr. Benjamin Chih-An Sun affiliated with?
Dr. Sun is affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Sun to 1 more hospital.
What medical group is Dr. Benjamin Chih-An Sun part of?
Dr. Sun is linked to Penn Medicine Lancaster General Health. Dmand AI links Dr. Sun to 1 more medical group.
Does Dr. Benjamin Chih-An Sun accept Medicare?
Yes. CMS data shows Dr. Sun billed Medicare for 96 services in 2024, and Dr. Sun accepts Medicare assignment.
How many Medicare patients does Dr. Benjamin Chih-An Sun see?
CMS counts 101 Medicare patients who saw Dr. Sun in 2024, with an average age of 73.
What services does Dr. Benjamin Chih-An Sun bill to Medicare?
In 2024, Dr. Sun's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Benjamin Chih-An Sun go to medical school?
Dr. Sun graduated from Harvard Medical School in 2000.
Has Dr. Benjamin Chih-An Sun received payments from drug or device companies?
CMS Open Payments shows $10,985 in general payments to Dr. Sun from 4 companies from 2018 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Benjamin Chih-An Sun been practicing?
Dr. Sun graduated from medical school in 2000, 26 years ago.
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