Dr. Justine Holly Mann, MD
- Medicare services, 2024
- 102
- Medicare patients, 2024
- 74
- Part D claims, 2024
- 375
- Hospital affiliations
- 2
- Medical groups
- 2
- Practice address
- 800 Washington Street, Boston, MA 02111
- Practice phone
- Call (617) 636-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Justine Holly Mann is a psychiatrist in Boston, Massachusetts
Dr. Mann practices at Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine.
Dr. Mann's NPI, 1235524828, was assigned on April 1, 2015. Dr. Mann graduated from Georgetown University School of Medicine in 2015. Dr. Mann holds Massachusetts license 279418.
- NPI
- 1235524828NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567769615
- NPI enumeration date
- April 1, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 636-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justine Holly Mann practices at Tufts Medical Center in Boston, Massachusetts
Dr. Mann's primary practice is Tufts Medical Center, at 800 Washington Street, Boston, MA 02111 in Suffolk County. The practice phone is (617) 636-5000.
- Tufts Medical Center800 Washington Street, Boston, MA 02111 · Suffolk CountyPhone(617) 636-5000
Source: Dmand AI Affiliation Data
Dr. Justine Holly Mann is affiliated with 3 sites of care and 2 medical groups
Dr. Mann's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dr. Mann is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Mann to 1 more imaging 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. Justine Holly Mann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mann practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tufts 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. Justine Holly Mann is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Mann's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Mann's licenses on file in 2 states: Massachusetts and Pennsylvania.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
- Pennsylvania license
Psychiatrists near Dr. Mann
Counts of psychiatrists 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. Justine Holly Mann billed Medicare for 102 services in 2024
CMS data shows 102 Medicare services from Dr. Mann across 4 procedure codes in 2024, for 74 Medicare patients. Medicare paid $13,431 for them.
Dr. Mann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 492024: 8573%
- Tests and treatments
- 2023: 162024: 176%
Where Dr. Mann's Medicare services took place, 2024
- In an office7977%
- In a facility2323%
Dr. Mann compared with the Massachusetts median for psychiatrists, 2024
- Dr. Mann
- Massachusetts median
- Medicare services
- 102vs 17241% below
- Medicare patients
- 74vs 4276% above
- Part D claims
- 267vs 922.9 times
Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Mann'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. Justine Holly Mann treated 74 Medicare patients in 2024, average age 61
CMS counts 74 Medicare patients who saw Dr. Mann in 2024. The largest group is under 65, with 33 patients. 75% of them have anxiety, and 75% have mood disorders. 53% are also on Medicaid. Their average risk score is 1.91, 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. Mann's median patient age at 45, with 58% women.
Dr. Mann's Medicare patients by age, 2024
Dr. Mann's Medicare patients by sex, 2024
- Women4155%
- Men3345%
Chronic conditions among Dr. Mann's Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
- Depression66%
- High cholesterol62%
- High blood pressure58%
- Arthritis43%
- Bipolar disorder43%
- Schizophrenia and other psychoses43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justine Holly Mann wrote 375 Medicare Part D claims in 2024
In 2024, Dr. Mann wrote 375 Medicare Part D claims for 35 patients. 98% of them were for generic drugs. CMS names the drug for 267 of them, across 13 drugs with 11 or more claims each, at $12,219 in total drug cost. In 2023, CMS named 224 claims across 11 drugs.
Dr. Mann's Part D claims by kind of drug, 2024
- Generic366 claims98%
- Brand-name and other9 claims2%
Dr. Mann'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. Mann's Part D claims, 2024
- Antipsychotics, patients 65 and over13%48 of 375 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: 2242024: 26719%
Drugs named by CMS: 13 in 2024, 11 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. Justine Holly Mann offers telehealth to Medicare patients
Dr. Mann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mann as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Justine Holly Mann graduated from Georgetown University School of Medicine
Dr. Mann graduated from Georgetown University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Justine Holly Mann'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) |
| 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. Justine Holly Mann
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. Justine Holly Mann's NPI number?
Dr. Justine Holly Mann's NPI number is 1235524828. It was assigned on April 1, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Justine Holly Mann?
Dr. Justine Holly Mann is a psychiatrist in Boston, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Justine Holly Mann practice?
Dr. Mann practices at 800 Washington Street, Boston, MA 02111. Dr. Mann's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Mann to 1 imaging center and 1 medical group.
What is Dr. Justine Holly Mann's office phone number?
The practice phone on file for Dr. Mann is (617) 636-5000.
What is Dr. Justine Holly Mann's medical license number?
Dr. Mann holds Massachusetts license 279418, one of the licenses on file in 2 states.
Which states has Dr. Justine Holly Mann been licensed in?
Dmand AI has state licenses on file for Dr. Mann in Massachusetts and Pennsylvania.
Which hospitals is Dr. Justine Holly Mann affiliated with?
Dr. Mann practices at Tufts Medical Center in Boston, Massachusetts. Dr. Mann is also affiliated with Massachusetts General Hospital.
What medical group is Dr. Justine Holly Mann part of?
Dr. Mann is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Mann to 1 more medical group.
Does Dr. Justine Holly Mann accept Medicare?
Yes. CMS data shows Dr. Mann billed Medicare for 102 services in 2024, and Dr. Mann accepts Medicare assignment.
Does Dr. Justine Holly Mann offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mann as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Justine Holly Mann see?
CMS counts 74 Medicare patients who saw Dr. Mann in 2024, with an average age of 61.
What services does Dr. Justine Holly Mann bill to Medicare?
In 2024, Dr. Mann's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and emergency department visit (99285).
Where did Dr. Justine Holly Mann go to medical school?
Dr. Mann graduated from Georgetown University School of Medicine in 2015.
What drugs does Dr. Justine Holly Mann prescribe most?
In 2024 Medicare Part D data, Dr. Mann's most prescribed drugs by claims were Escitalopram Oxalate, Quetiapine Fumarate and Duloxetine HCl.
How long has Dr. Justine Holly Mann been practicing?
Dr. Mann graduated from medical school in 2015, 11 years ago.
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