Dr. Cathy D. Chong, MD, MPH
- Medicare services, 2024
- 1,680
- Medicare patients, 2024
- 639
- Part D claims, 2024
- 837
- Hospital affiliations
- 3
- Industry payments
- $102
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chong's professional email, personal email and mobile number
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Dr. Cathy D. Chong is an otolaryngologist in Boston, Massachusetts
Dr. Chong practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Chong's NPI, 1043205974, was assigned on September 16, 2005. Dr. Chong graduated from Tufts University School of Medicine in 1994. Dr. Chong holds Massachusetts license 159675.
- NPI
- 1043205974NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870765894
- NPI enumeration date
- September 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cathy D. Chong practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Chong's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Cathy D. Chong is affiliated with 6 sites of care and 2 medical groups
Dr. Chong's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Chong is also affiliated with Massachusetts Eye and Ear. Dmand AI also links Dr. Chong to 1 more hospital, 2 group practices and clinics, 2 medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cathy D. Chong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chong practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cathy D. Chong is one of 308 otolaryngologists in Massachusetts
Otolaryngology is Dr. Chong's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Chong is licensed in Massachusetts.
Specialties and state licenses
- Otolaryngology, MassachusettsPrimary
Otolaryngologists near Dr. Chong
Counts of otolaryngologists 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. Cathy D. Chong billed Medicare for 1,680 services in 2024
CMS data shows 1,680 Medicare services from Dr. Chong across 11 procedure codes in 2024, for 639 Medicare patients. Medicare paid $92,920 for them.
Dr. Chong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 8802024: 9184%
- Office and hospital visits
- 2023: 6002024: 72621%
- Tests and treatments
- 2023: 222024: 3664%
- Other services
- 2023: 232024: 0100%
Where Dr. Chong's Medicare services took place, 2024
- In an office1,66099%
- In a facility201%
Dr. Chong compared with the Massachusetts median for otolaryngologists, 2024
- Dr. Chong
- Massachusetts median
- Medicare services
- 1,680vs 7442.3 times
- Medicare patients
- 639vs 36376% above
- Part D claims
- 717vs 898.1 times
Medians across 303 otolaryngologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Chong'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.
Need commercial claims for Dr. Chong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chong and other otolaryngologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cathy D. Chong treated 639 Medicare patients in 2024, average age 76
CMS counts 639 Medicare patients who saw Dr. Chong in 2024. The largest group is 75 to 84, with 291 patients. 74% of them have high cholesterol, and 66% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chong's median patient age at 60, with 55% women.
Dr. Chong's Medicare patients by age, 2024
Dr. Chong's Medicare patients by sex, 2024
- Women40263%
- Men23737%
Chronic conditions among Dr. Chong's Medicare patients, 2024
- High cholesterol74%
- High blood pressure66%
- Arthritis46%
- Anxiety28%
- Mood disorders24%
- Osteoporosis22%
- Ischemic heart disease21%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cathy D. Chong wrote 837 Medicare Part D claims in 2024
In 2024, Dr. Chong wrote 837 Medicare Part D claims for 232 patients. 98% of them were for generic drugs. CMS names the drug for 717 of them, across 25 drugs with 11 or more claims each, at $17,026 in total drug cost. In 2023, CMS named 533 claims across 18 drugs.
Dr. Chong's Part D claims by kind of drug, 2024
- Generic817 claims98%
- Brand-name20 claims2%
Dr. Chong'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. Chong's Part D claims, 2024
- Opioids3%27 of 837 claims
- Antibiotics15%127 of 837 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: 5332024: 71735%
Drugs named by CMS: 25 in 2024, 18 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. Cathy D. Chong offers telehealth to Medicare patients
Dr. Chong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chong as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Cathy D. Chong received $102 in industry payments from 2017 to 2024
CMS Open Payments shows 5 general payments to Dr. Chong from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $41.
General payments to Dr. Chong by program year, 2017 to 2024
Companies that paid Dr. Chong the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Cathy D. Chong graduated from Tufts University School of Medicine
Dr. Chong graduated from Tufts University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Cathy D. Chong'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 | Doctors and Clinicians National Downloadable File (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. Cathy D. Chong
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. Cathy D. Chong's NPI number?
Dr. Cathy D. Chong's NPI number is 1043205974. It was assigned on September 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Cathy D. Chong?
Dr. Cathy D. Chong is an otolaryngologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Cathy D. Chong practice?
Dr. Chong practices at 55 Fruit Street, Boston, MA 02114. Dr. Chong's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Chong to 1 hospital, 2 group practices and clinics, 2 medical groups and 1 community health center.
What is Dr. Cathy D. Chong's office phone number?
The practice phone on file for Dr. Chong is (617) 726-2000.
What is Dr. Cathy D. Chong's medical license number?
Dr. Chong holds Massachusetts license 159675.
Which hospitals is Dr. Cathy D. Chong affiliated with?
Dr. Chong practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Chong is also affiliated with Massachusetts Eye and Ear. Dmand AI links Dr. Chong to 1 more hospital.
Does Dr. Cathy D. Chong accept Medicare?
Yes. CMS data shows Dr. Chong billed Medicare for 1,680 services in 2024, and Dr. Chong accepts Medicare assignment.
Does Dr. Cathy D. Chong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chong as offering telehealth services.
How many Medicare patients does Dr. Cathy D. Chong see?
CMS counts 639 Medicare patients who saw Dr. Chong in 2024, with an average age of 76.
What services does Dr. Cathy D. Chong bill to Medicare?
In 2024, Dr. Chong's most billed Medicare services were surgery: ear (69210), office visit, established patient (99213) and office visit, established patient (99212).
Show 4 more questionsShow fewer questions
Where did Dr. Cathy D. Chong go to medical school?
Dr. Chong graduated from Tufts University School of Medicine in 1994.
What drugs does Dr. Cathy D. Chong prescribe most?
In 2024 Medicare Part D data, Dr. Chong's most prescribed drugs by claims were Famotidine, Omeprazole and Fluticasone Propionate.
Has Dr. Cathy D. Chong received payments from drug or device companies?
CMS Open Payments shows $102 in general payments to Dr. Chong from 4 companies from 2017 to 2024. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Cathy D. Chong been practicing?
Dr. Chong graduated from medical school in 1994, 32 years ago.
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