Dr. Bonnie Cao, MD
- Medicare services, 2024
- 260
- Medicare patients, 2024
- 174
- Part D claims, 2024
- 12
- Hospital affiliations
- 3
- Medical groups
- 2
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cao's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Bonnie Cao is a hospitalist in Boston, Massachusetts
Dr. Cao practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Cao's NPI, 1801357397, was assigned on March 27, 2019. Dr. Cao holds Massachusetts license 1015139.
- NPI
- 1801357397NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294061453
- NPI enumeration date
- March 27, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bonnie Cao practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Cao's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Bonnie Cao is affiliated with 3 sites of care and 2 medical groups
Dr. Cao's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dr. Cao is also affiliated with Beth Israel Deaconess Hospital-Needham. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Cao to 1 more hospital and 1 medical group, 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. Bonnie Cao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cao practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Bonnie Cao is one of 502 hospitalists in Massachusetts
Hospitalist is Dr. Cao's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Cao is licensed in Massachusetts.
Specialties and state licenses
- Hospitalist, MassachusettsPrimary
Hospitalists near Dr. Cao
Counts of hospitalists 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. Bonnie Cao billed Medicare for 260 services in 2024
CMS data shows 260 Medicare services from Dr. Cao across 3 procedure codes in 2024, for 174 Medicare patients. Medicare paid $31,074 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Cao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1352024: 26093%
Dr. Cao compared with the Massachusetts median for hospitalists, 2024
- Dr. Cao
- Massachusetts median
- Medicare services
- 260vs 46444% below
- Medicare patients
- 174vs 25331% below
- Part D claims
- 12vs 6582% below
Medians across 477 hospitalists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Cao'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bonnie Cao treated 174 Medicare patients in 2024, average age 77
CMS counts 174 Medicare patients who saw Dr. Cao in 2024. The largest group is 75 to 84, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.65, 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. Cao's median patient age at 75, with 53% women.
Dr. Cao's Medicare patients by age, 2024
Dr. Cao's Medicare patients by sex, 2024
- Women10359%
- Men7141%
Chronic conditions among Dr. Cao's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Heart failure53%
- Ischemic heart disease52%
- Anxiety51%
- Chronic kidney disease51%
- Mood disorders48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bonnie Cao wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Cao wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $174 in total drug cost.
Dr. Cao's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
How Dr. Bonnie Cao takes part in Medicare
Dr. Cao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Bonnie Cao'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) |
| 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. Bonnie Cao
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. Bonnie Cao's NPI number?
Dr. Bonnie Cao's NPI number is 1801357397. It was assigned on March 27, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Bonnie Cao?
Dr. Bonnie Cao is a hospitalist in Boston, Massachusetts. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Bonnie Cao practice?
Dr. Cao practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Cao's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Cao to 1 hospital and 1 medical group.
What is Dr. Bonnie Cao's office phone number?
The practice phone on file for Dr. Cao is (617) 667-7000.
What is Dr. Bonnie Cao's medical license number?
Dr. Cao holds Massachusetts license 1015139.
Which hospitals is Dr. Bonnie Cao affiliated with?
Dr. Cao practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Dr. Cao is also affiliated with Beth Israel Deaconess Hospital-Needham. Dmand AI links Dr. Cao to 1 more hospital.
What medical group is Dr. Bonnie Cao part of?
Dr. Cao is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Cao to 1 more medical group.
Does Dr. Bonnie Cao accept Medicare?
Yes. CMS data shows Dr. Cao billed Medicare for 260 services in 2024, and Dr. Cao accepts Medicare assignment.
How many Medicare patients does Dr. Bonnie Cao see?
CMS counts 174 Medicare patients who saw Dr. Cao in 2024, with an average age of 77.
What services does Dr. Bonnie Cao bill to Medicare?
In 2024, Dr. Cao's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99233) and hospital inpatient care (99239).
What drugs does Dr. Bonnie Cao prescribe most?
In 2019 Medicare Part D data, Dr. Cao's most prescribed drugs by claims were Metoprolol Succinate.
How long has Dr. Bonnie Cao been practicing?
Dr. Cao graduated from medical school in 2019, 7 years ago.
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