Dr. Timothy A. Graubert, MD
- Medicare services, 2024
- 121
- Medicare patients, 2024
- 26
- Hospital affiliations
- 2
- Industry payments
- $398
- Medical groups
- 2
- 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. Graubert's professional email, personal email and mobile number
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Dr. Timothy A. Graubert is a medical oncologist in Boston, Massachusetts
Dr. Graubert practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Graubert's NPI, 1073531703, was assigned on July 18, 2006. Dr. Graubert graduated from Harvard Medical School in 1988. Dr. Graubert holds Missouri license 103754.
- NPI
- 1073531703NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648304337
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy A. Graubert practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Graubert'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. Timothy A. Graubert is affiliated with 3 sites of care and 2 medical groups
Dr. Graubert's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Graubert is also affiliated with Barnes-Jewish Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Graubert to 1 more community health center 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. Timothy A. Graubert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Graubert 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 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy A. Graubert is one of 290 medical oncologists in Massachusetts
Medical oncology is Dr. Graubert's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Graubert is licensed in Missouri.
Specialties and state licenses
- Medical oncology, MissouriPrimary
Medical oncologists near Dr. Graubert
Counts of medical oncologists 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. Timothy A. Graubert billed Medicare for 121 services in 2024
CMS data shows 121 Medicare services from Dr. Graubert across 2 procedure codes in 2024, for 26 Medicare patients. Medicare paid $11,823 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Graubert's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2262024: 12146%
Dr. Graubert compared with the Massachusetts median for medical oncologists, 2024
- Dr. Graubert
- Massachusetts median
- Medicare services
- 121vs 26053% below
- Medicare patients
- 26vs 10976% below
Medians across 259 medical oncologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Graubert'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. Graubert and other medical oncologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy A. Graubert treated 26 Medicare patients in 2024, average age 75
CMS counts 26 Medicare patients who saw Dr. Graubert in 2024. The largest group is 65 to 74, with 13 patients. 75% of them have high blood pressure, and 65% have high cholesterol. Their average risk score is 3.65, 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. Graubert's median patient age at 80, with 45% women.
Dr. Graubert's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Graubert's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Chronic kidney disease54%
- Heart failure46%
- Ischemic heart disease46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Graubert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Timothy A. Graubert takes part in Medicare
Dr. Graubert 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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Dr. Timothy A. Graubert received $398 in industry payments in 2022
CMS Open Payments shows 3 general payments to Dr. Graubert from 2 drug and device companies in 2022. Consulting fees make up the largest share, 60% of the total. Biogen, Inc. paid the most, $240.
General payments to Dr. Graubert by kind, 2022 to 2022
- Consulting fees$24060%
- Travel and lodging$9223%
- Food and beverage$6717%
Companies that paid Dr. Graubert the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy A. Graubert graduated from Harvard Medical School
Dr. Graubert graduated from Harvard Medical School in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy A. Graubert'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) |
| 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. Timothy A. Graubert
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. Timothy A. Graubert's NPI number?
Dr. Timothy A. Graubert's NPI number is 1073531703. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy A. Graubert?
Dr. Timothy A. Graubert is a medical oncologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Timothy A. Graubert practice?
Dr. Graubert practices at 55 Fruit Street, Boston, MA 02114. Dr. Graubert's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Graubert to 1 community health center and 1 medical group.
What is Dr. Timothy A. Graubert's office phone number?
The practice phone on file for Dr. Graubert is (617) 726-2000.
What is Dr. Timothy A. Graubert's medical license number?
Dr. Graubert holds Missouri license 103754.
Which hospitals is Dr. Timothy A. Graubert affiliated with?
Dr. Graubert practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Graubert is also affiliated with Barnes-Jewish Hospital.
What medical group is Dr. Timothy A. Graubert part of?
Dr. Graubert is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Graubert to 1 more medical group.
Does Dr. Timothy A. Graubert accept Medicare?
Yes. CMS data shows Dr. Graubert billed Medicare for 121 services in 2024, and Dr. Graubert accepts Medicare assignment.
How many Medicare patients does Dr. Timothy A. Graubert see?
CMS counts 26 Medicare patients who saw Dr. Graubert in 2024, with an average age of 75.
What services does Dr. Timothy A. Graubert bill to Medicare?
In 2024, Dr. Graubert's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99239).
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Where did Dr. Timothy A. Graubert go to medical school?
Dr. Graubert graduated from Harvard Medical School in 1988.
Has Dr. Timothy A. Graubert received payments from drug or device companies?
CMS Open Payments shows $398 in general payments to Dr. Graubert from 2 companies from 2022 to 2022. The largest total came from Biogen, Inc.
How long has Dr. Timothy A. Graubert been practicing?
Dr. Graubert graduated from medical school in 1988, 38 years ago.
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