Dr. Tung Phan, MD
- Medicare services, 2024
- 155
- Medicare patients, 2024
- 115
- Part D claims, 2024
- 1,041
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Phan'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. Tung Phan is an internist in Mendon, Massachusetts
Dr. Phan practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Phan's NPI, 1699271429, was assigned on April 2, 2018. Dr. Phan graduated from Tufts University School of Medicine in 2018. Dr. Phan holds Massachusetts license 1014416.
- NPI
- 1699271429NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395106702
- NPI enumeration date
- April 2, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tung Phan practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Phan's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tung Phan is affiliated with 2 sites of care and 2 medical groups
Dr. Phan's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Phan is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Phan to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tung Phan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tung Phan is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Phan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Phan is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Phan
Counts of internists 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. Tung Phan billed Medicare for 155 services in 2024
CMS data shows 155 Medicare services from Dr. Phan across 4 procedure codes in 2024, for 115 Medicare patients. Medicare paid $9,396 for them.
Dr. Phan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 432024: 143233%
- Tests and treatments
- 2023: 02024: 12
Where Dr. Phan's Medicare services took place, 2024
- In an office4227%
- In a facility11373%
Dr. Phan compared with the Massachusetts median for internists, 2024
- Dr. Phan
- Massachusetts median
- Medicare services
- 155vs 43164% below
- Medicare patients
- 115vs 19441% below
- Part D claims
- 817vs 4022.0 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Phan'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. Tung Phan treated 115 Medicare patients in 2024, average age 68
CMS counts 115 Medicare patients who saw Dr. Phan in 2024. The largest group is 65 to 74, with 49 patients. 72% of them have high blood pressure, and 66% have high cholesterol. 49% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Phan's median patient age at 58, with 36% women.
Dr. Phan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Phan's Medicare patients by sex, 2024
- Women6052%
- Men5548%
Chronic conditions among Dr. Phan's Medicare patients, 2024
- High blood pressure72%
- High cholesterol66%
- Mood disorders41%
- Arthritis39%
- Anxiety37%
- Depression34%
- Ischemic heart disease27%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Phan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tung Phan wrote 1,041 Medicare Part D claims in 2024
In 2024, Dr. Phan wrote 1,041 Medicare Part D claims for 109 patients. 91% of them were for generic drugs. CMS names the drug for 817 of them, across 34 drugs with 11 or more claims each, at $17,569 in total drug cost. In 2023, CMS named 47 claims across 4 drugs.
Dr. Phan's Part D claims by kind of drug, 2024
- Generic952 claims91%
- Brand-name and other89 claims9%
Dr. Phan'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. Phan's Part D claims, 2024
- Opioids1%11 of 1,041 claims
- Antipsychotics, patients 65 and over10%100 of 1,041 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: 472024: 8171638%
Drugs named by CMS: 34 in 2024, 4 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. Tung Phan offers telehealth to Medicare patients
Dr. Phan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Phan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Tung Phan graduated from Tufts University School of Medicine
Dr. Phan graduated from Tufts University School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tung Phan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Tung Phan
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. Tung Phan's NPI number?
Dr. Tung Phan's NPI number is 1699271429. It was assigned on April 2, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Tung Phan?
Dr. Tung Phan is an internist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tung Phan practice?
Dr. Phan practices at 55 North Ave, Mendon, MA 01756. Dr. Phan's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Phan to 1 medical group.
What is Dr. Tung Phan's office phone number?
The practice phone on file for Dr. Phan is (508) 334-1000.
What is Dr. Tung Phan's medical license number?
Dr. Phan holds Massachusetts license 1014416.
Which hospitals is Dr. Tung Phan affiliated with?
Dr. Phan is affiliated with UMass Memorial Medical Center - University Campus.
What medical group is Dr. Tung Phan part of?
Dr. Phan is linked to UMass Memorial Medical Group. Dmand AI links Dr. Phan to 1 more medical group.
Does Dr. Tung Phan accept Medicare?
Yes. CMS data shows Dr. Phan billed Medicare for 155 services in 2024, and Dr. Phan accepts Medicare assignment.
Does Dr. Tung Phan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Phan as offering telehealth services.
How many Medicare patients does Dr. Tung Phan see?
CMS counts 115 Medicare patients who saw Dr. Phan in 2024, with an average age of 68.
Show 4 more questionsShow fewer questions
What services does Dr. Tung Phan bill to Medicare?
In 2024, Dr. Phan's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).
Where did Dr. Tung Phan go to medical school?
Dr. Phan graduated from Tufts University School of Medicine in 2018.
What drugs does Dr. Tung Phan prescribe most?
In 2024 Medicare Part D data, Dr. Phan's most prescribed drugs by claims were Quetiapine Fumarate, Trazodone HCl and Fluoxetine HCl.
How long has Dr. Tung Phan been practicing?
Dr. Phan graduated from medical school in 2018, 8 years ago.
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