Mary Nhan Do, NP
- Medicare patients, 2024
- 34
- Part D claims, 2024
- 263
- Hospital affiliations
- 5
- Industry payments
- $110
- Medical groups
- 3
- 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 Mary Do'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.
Mary Nhan Do is a nurse practitioner in Boston, Massachusetts
Mary Do practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Mary Do's NPI, 1700450301, was assigned on May 18, 2021. Mary Do graduated from University of Massachusetts Medical School in 2021. Mary Do holds Massachusetts license RN2303082.
- NPI
- 1700450301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436548070
- NPI enumeration date
- May 18, 2021
- 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
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Nhan Do practices at Massachusetts General Hospital in Boston, Massachusetts
Mary Do'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
Mary Nhan Do is affiliated with 6 sites of care and 3 medical groups
Mary Do's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Mary Do is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Hospital. Dmand AI also links Mary Do to 3 more hospitals, 2 medical groups and 1 community health center, each named with a free account. Mary Do'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 Mary Nhan Do's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Do 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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Mary Nhan Do is one of 2,511 nurse practitioners in Massachusetts
Nurse practitioner is Mary Do's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mary Do is licensed in Massachusetts.
Specialties and state licenses
- Nurse practitioner, MassachusettsPrimary
Nurse practitioners near Mary Do
Counts of nurse practitioners 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
Mary Nhan Do treated 34 Medicare patients in 2024, average age 72
CMS counts 34 Medicare patients who saw Mary Do in 2024. The largest group is 65 to 74, with 16 patients. 71% of them have high blood pressure, and 62% have high cholesterol. 50% are also on Medicaid. Their average risk score is 2.02, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Do's median patient age at 71, with 36% women.
Mary Do's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Do's Medicare patients by sex, 2024
- Women1853%
- Men1647%
Chronic conditions among Mary Do's Medicare patients, 2024
- High blood pressure71%
- High cholesterol62%
- Cancer56%
Share of Medicare patients with each condition. A patient can have several.
Mary Do'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
- Women36%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Nhan Do wrote 263 Medicare Part D claims in 2024
In 2024, Mary Do wrote 263 Medicare Part D claims for 62 patients. 73% of them were for generic drugs.
Mary Do's Part D claims by kind of drug, 2024
- Generic193 claims73%
- Brand-name and other70 claims27%
Drug classes CMS tracks in Mary Do's Part D claims, 2024
- Opioids7%19 of 263 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mary Nhan Do offers telehealth to Medicare patients
Mary Do accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mary Do as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Mary Nhan Do received $110 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mary Do from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Exelixis Inc. paid the most, $110.
Companies that paid Mary Do the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mary Nhan Do graduated from University of Massachusetts Medical School
Mary Do graduated from University of Massachusetts Medical School in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mary Nhan Do'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 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 (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 Mary Nhan Do
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Nhan Do's NPI number?
Mary Nhan Do's NPI number is 1700450301. It was assigned on May 18, 2021, and it is active in the NPI Registry.
What does Mary Nhan Do specialize in?
Mary Nhan Do is a nurse practitioner in Boston, Massachusetts. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mary Nhan Do practice?
Mary Do practices at 55 Fruit Street, Boston, MA 02114. Mary Do's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Mary Do to 3 hospitals, 2 medical groups and 1 community health center.
What is Mary Nhan Do's office phone number?
The practice phone on file for Mary Do is (617) 726-2000.
What is Mary Nhan Do's medical license number?
Mary Do holds Massachusetts license RN2303082.
Which hospitals is Mary Nhan Do affiliated with?
Mary Do practices at Massachusetts General Hospital in Boston, Massachusetts. Mary Do is also affiliated with Brigham and Women's Hospital. Dmand AI links Mary Do to 3 more hospitals.
What medical group is Mary Nhan Do part of?
Mary Do is linked to Massachusetts General Hospital. Dmand AI links Mary Do to 2 more medical groups.
Does Mary Nhan Do accept Medicare?
Yes. CMS lists Mary Do as accepting Medicare assignment.
Does Mary Nhan Do offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mary Do as offering telehealth services.
How many Medicare patients does Mary Nhan Do see?
CMS counts 34 Medicare patients who saw Mary Do in 2024, with an average age of 72.
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Where did Mary Nhan Do go to medical school?
Mary Do graduated from University of Massachusetts Medical School in 2021.
Has Mary Nhan Do received payments from drug or device companies?
CMS Open Payments shows $110 in general payments to Mary Do from 1 company from 2025 to 2025. The largest total came from Exelixis Inc.
How long has Mary Nhan Do been practicing?
Mary Do graduated from medical school in 2021, 5 years ago.
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