Dr. Crystal Chiang, MD
- Medicare services, 2024
- 493
- Medicare patients, 2024
- 437
- Part D claims, 2024
- 246
- MIPS score, 2024
- 92
- Hospital affiliations
- 1
- Practice address
- 200 Belle Terre Road, Port Jefferson, NY 11777
- Practice phone
- Call (631) 474-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chiang's professional email, personal email and mobile number
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Dr. Crystal Chiang is an emergency medicine physician in Port Jefferson, New York
Dr. Chiang practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre.
Dr. Chiang's NPI, 1821657990, was assigned on June 11, 2019. Dr. Chiang graduated from University of Maryland School of Medicine in 2019. Dr. Chiang holds New York license 315724.
- NPI
- 1821657990NPI Registry (opens in a new tab)
- NPI enumeration date
- June 11, 2019
- NPI status
- Active
- Practice phone
- (631) 474-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Crystal Chiang practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York
Dr. Chiang's primary practice is Good Samaritan University Hospital St. Charles Campus, at 200 Belle Terre Road, Port Jefferson, NY 11777 in Suffolk County. The practice phone is (631) 474-6000.
- Good Samaritan University Hospital St. Charles Campus200 Belle Terre Road, Port Jefferson, NY 11777 · Suffolk CountyPhone(631) 474-6000
Source: Dmand AI Affiliation Data
Dr. Crystal Chiang is affiliated with 1 site of care and 2 medical groups
Dr. Chiang's primary practice is Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre. The medical group on file is Emergency Medicine Physicians (EMP). Dmand AI also links Dr. Chiang to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Crystal Chiang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan University Hospital St. Charles Campus | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Diocese of Rockville Centre and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Crystal Chiang is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Chiang's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Chiang is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Chiang
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. Crystal Chiang billed Medicare for 493 services in 2024
CMS data shows 493 Medicare services from Dr. Chiang across 4 procedure codes in 2024, for 437 Medicare patients. Medicare paid $63,228 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chiang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3102024: 49359%
Dr. Chiang compared with the New York median for emergency medicine physicians, 2024
- Dr. Chiang
- New York median
- Medicare services
- 493vs 2192.3 times
- Medicare patients
- 437vs 2162.0 times
- Part D claims
- 108vs 293.7 times
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Chiang'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. Chiang and other emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Crystal Chiang treated 437 Medicare patients in 2024, average age 75
CMS counts 437 Medicare patients who saw Dr. Chiang in 2024. The largest group is 75 to 84, with 159 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.17, 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. Chiang's median patient age at 42, with 59% women.
Dr. Chiang's Medicare patients by age, 2024
Dr. Chiang's Medicare patients by sex, 2024
- Women25157%
- Men18643%
Chronic conditions among Dr. Chiang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease49%
- Anxiety45%
- Mood disorders45%
- Chronic kidney disease42%
- Heart failure42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chiang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women59%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Crystal Chiang wrote 246 Medicare Part D claims in 2024
In 2024, Dr. Chiang wrote 246 Medicare Part D claims for 173 patients. 95% of them were for generic drugs. CMS names the drug for 108 of them, across 7 drugs with 11 or more claims each, at $749 in total drug cost. In 2023, CMS named 137 claims across 7 drugs.
Dr. Chiang's Part D claims by kind of drug, 2024
- Generic234 claims95%
- Brand-name12 claims5%
Dr. Chiang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chiang's Part D claims, 2024
- Opioids10%25 of 246 claims
- Antibiotics39%96 of 246 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1372024: 10821%
Drugs named by CMS: 7 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Crystal Chiang scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Chiang for performance year 2024, reported as part of a group.
Dr. Chiang's MIPS scores, performance year 2024
- 92of 100Final score
- 79.2of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Crystal Chiang received $23 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Chiang from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $23.
Companies that paid Dr. Chiang the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Crystal Chiang graduated from University of Maryland School of Medicine
Dr. Chiang graduated from University of Maryland School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Crystal Chiang'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 DataDmand AI Org Hierarchy 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Crystal Chiang
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. Crystal Chiang's NPI number?
Dr. Crystal Chiang's NPI number is 1821657990. It was assigned on June 11, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Crystal Chiang?
Dr. Crystal Chiang is an emergency medicine physician in Port Jefferson, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Crystal Chiang practice?
Dr. Chiang practices at 200 Belle Terre Road, Port Jefferson, NY 11777. Dr. Chiang's primary practice is Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre. Dmand AI also links Dr. Chiang to 1 medical group.
What is Dr. Crystal Chiang's office phone number?
The practice phone on file for Dr. Chiang is (631) 474-6000.
What is Dr. Crystal Chiang's medical license number?
Dr. Chiang holds New York license 315724.
Which hospitals is Dr. Crystal Chiang affiliated with?
Dr. Chiang practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York.
What medical group is Dr. Crystal Chiang part of?
Dr. Chiang is linked to Emergency Medicine Physicians (EMP). Dmand AI links Dr. Chiang to 1 more medical group.
Does Dr. Crystal Chiang accept Medicare?
Yes. CMS data shows Dr. Chiang billed Medicare for 493 services in 2024.
What is Dr. Crystal Chiang's MIPS score?
Dr. Chiang's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Crystal Chiang see?
CMS counts 437 Medicare patients who saw Dr. Chiang in 2024, with an average age of 75.
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What services does Dr. Crystal Chiang bill to Medicare?
In 2024, Dr. Chiang's most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
Where did Dr. Crystal Chiang go to medical school?
Dr. Chiang graduated from University of Maryland School of Medicine in 2019.
What drugs does Dr. Crystal Chiang prescribe most?
In 2024 Medicare Part D data, Dr. Chiang's most prescribed drugs by claims were Doxycycline Hyclate, Prednisone and Amoxicillin-Clavulanate Potass.
Has Dr. Crystal Chiang received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Chiang from 1 company from 2024 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Crystal Chiang been practicing?
Dr. Chiang graduated from medical school in 2019, 7 years ago.
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