Dr. David Hao, MD
- Medicare services, 2024
- 1,638
- Medicare patients, 2024
- 356
- Part D claims, 2024
- 233
- Hospital affiliations
- 2
- Industry payments
- $16,206
- 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. Hao's professional email, personal email and mobile number
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Dr. David Hao is a pain medicine (anesthesiology) physician in Boston, Massachusetts
Dr. Hao practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Hao's NPI, 1801323357, was assigned on May 16, 2017. Dr. Hao holds Massachusetts license 288192.
- NPI
- 1801323357NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183993017
- NPI enumeration date
- May 16, 2017
- 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
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Hao practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Hao'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. David Hao is affiliated with 3 sites of care and 3 medical groups
Dr. Hao's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Hao is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Hao to 2 more medical groups and 1 community health center, each named with a free account. Dr. Hao's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Hao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hao practices, 3 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 |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Hao is one of 102 pain medicine (anesthesiology) physicians in Massachusetts
Pain medicine is Dr. Hao's primary specialty in the NPI Registry, under taxonomy code 207LP2900X. Dr. Hao is licensed in Massachusetts.
Specialties and state licenses
- Pain medicine (anesthesiology), MassachusettsPrimary
Pain medicine (anesthesiology) physicians near Dr. Hao
Counts of pain medicine (anesthesiology) 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. David Hao billed Medicare for 1,638 services in 2024
CMS data shows 1,638 Medicare services from Dr. Hao across 10 procedure codes in 2024, for 356 Medicare patients. Medicare paid $45,647 for them.
Dr. Hao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 960
- Office and hospital visits
- 2023: 3632024: 56556%
- Other services
- 2023: 02024: 58
- Surgery
- 2023: 582024: 555%
Where Dr. Hao's Medicare services took place, 2024
- In an office1,04164%
- In a facility59736%
Dr. Hao compared with the Massachusetts median for pain medicine (anesthesiology) physicians, 2024
- Dr. Hao
- Massachusetts median
- Medicare services
- 1,638vs 5602.9 times
- Medicare patients
- 356vs 3337% above
- Part D claims
- 185vs 11068% above
Medians across 95 pain medicine (anesthesiology) physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Hao'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. David Hao treated 356 Medicare patients in 2024, average age 71
CMS counts 356 Medicare patients who saw Dr. Hao in 2024. The largest group is 65 to 74, with 142 patients. 75% of them have high blood pressure, and 74% have arthritis. 26% are also on Medicaid. Their average risk score is 1.99, 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. Hao's median patient age at 71, with 57% women.
Dr. Hao's Medicare patients by age, 2024
Dr. Hao's Medicare patients by sex, 2024
- Women19956%
- Men15744%
Chronic conditions among Dr. Hao's Medicare patients, 2024
- High blood pressure75%
- Arthritis74%
- High cholesterol71%
- Anxiety53%
- Mood disorders45%
- Depression42%
- Ischemic heart disease32%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Hao wrote 233 Medicare Part D claims in 2024
In 2024, Dr. Hao wrote 233 Medicare Part D claims for 64 patients. 95% of them were for generic drugs. CMS names the drug for 185 of them, across 8 drugs with 11 or more claims each, at $6,306 in total drug cost. In 2023, CMS named 60 claims across 3 drugs.
Dr. Hao's Part D claims by kind of drug, 2024
- Generic221 claims95%
- Brand-name12 claims5%
Dr. Hao'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. Hao's Part D claims, 2024
- Opioids57%132 of 233 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: 602024: 185208%
Drugs named by CMS: 8 in 2024, 3 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. David Hao offers telehealth to Medicare patients
Dr. Hao accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hao as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David Hao received $16,206 in industry payments from 2021 to 2025
CMS Open Payments shows 149 general payments to Dr. Hao from 12 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 59% of the total. Boston Scientific Corporation paid the most, $6,336.
General payments to Dr. Hao by program year, 2021 to 2025
General payments to Dr. Hao by kind, 2021 to 2025
- Food and beverage$9,58059%
- Travel and lodging$6,59141%
- Education$360%
Companies that paid Dr. Hao the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Hao'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) |
| 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. David Hao
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. David Hao's NPI number?
Dr. David Hao's NPI number is 1801323357. It was assigned on May 16, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. David Hao?
Dr. David Hao is a pain medicine (anesthesiology) physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pain Medicine (Anesthesiology) Physician (taxonomy code 207LP2900X).
Where does Dr. David Hao practice?
Dr. Hao practices at 55 Fruit Street, Boston, MA 02114. Dr. Hao's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Hao to 2 medical groups and 1 community health center.
What is Dr. David Hao's office phone number?
The practice phone on file for Dr. Hao is (617) 726-2000.
What is Dr. David Hao's medical license number?
Dr. Hao holds Massachusetts license 288192.
Which hospitals is Dr. David Hao affiliated with?
Dr. Hao practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Hao is also affiliated with Brigham and Women's Hospital.
What medical group is Dr. David Hao part of?
Dr. Hao is linked to Massachusetts General Hospital. Dmand AI links Dr. Hao to 2 more medical groups.
Does Dr. David Hao accept Medicare?
Yes. CMS data shows Dr. Hao billed Medicare for 1,638 services in 2024, and Dr. Hao accepts Medicare assignment.
Does Dr. David Hao offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hao as offering telehealth services.
How many Medicare patients does Dr. David Hao see?
CMS counts 356 Medicare patients who saw Dr. Hao in 2024, with an average age of 71.
Show 4 more questionsShow fewer questions
What services does Dr. David Hao bill to Medicare?
In 2024, Dr. Hao's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99214) and hospital inpatient care (99232).
What drugs does Dr. David Hao prescribe most?
In 2024 Medicare Part D data, Dr. Hao's most prescribed drugs by claims were Oxycodone HCl, Gabapentin and Methadone HCl.
Has Dr. David Hao received payments from drug or device companies?
CMS Open Payments shows $16,206 in general payments to Dr. Hao from 12 companies from 2021 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. David Hao been practicing?
Dr. Hao graduated from medical school in 2017, 9 years ago.
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