Daniel J. Holder
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 67
- Hospital affiliations
- 4
- Industry payments
- $33
- Medical groups
- 7
- Practice address
- 199 Reedsdale Road, Milton, MA 02186
- Practice phone
- Call (617) 696-4600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Daniel Holder'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.
Daniel J. Holder is a physician assistant in Milton, Massachusetts
Daniel Holder practices at Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts, part of Beth Israel Lahey Health.
Daniel Holder's NPI, 1629439880, was assigned on March 16, 2016. Daniel Holder graduated from Tufts University School of Medicine in 2016. Daniel Holder holds Massachusetts license PA5730.
- NPI
- 1629439880NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385993823
- NPI enumeration date
- March 16, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 696-4600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Daniel J. Holder practices at Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts
Daniel Holder's primary practice is Beth Israel Deaconess Hospital-Milton, at 199 Reedsdale Road, Milton, MA 02186 in Norfolk County. The practice phone is (617) 696-4600.
- Beth Israel Deaconess Hospital-Milton199 Reedsdale Road, Milton, MA 02186 · Norfolk CountyPhone(617) 696-4600
Source: Dmand AI Affiliation Data
Daniel J. Holder is affiliated with 4 sites of care and 7 medical groups
Daniel Holder's primary practice is Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts, part of Beth Israel Lahey Health. Daniel Holder is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is Steward Medical Group. Dmand AI also links Daniel Holder to 2 more hospitals and 6 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Daniel J. Holder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Holder practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Hospital-Milton | Available with a free account |
| +3 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Daniel J. Holder is one of 3,922 physician assistants in Massachusetts
Physician assistant is Daniel Holder's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Daniel Holder is licensed in Massachusetts.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
Physician assistants near Daniel Holder
Counts of physician assistants 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
Daniel J. Holder treated 27 Medicare patients in 2024, average age 72
CMS counts 27 Medicare patients who saw Daniel Holder in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Daniel Holder's median patient age at 71, with 41% women.
Daniel Holder's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Daniel Holder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Mood disorders48%
- Anxiety44%
- Depression44%
Share of Medicare patients with each condition. A patient can have several.
Daniel Holder'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
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Daniel J. Holder wrote 67 Medicare Part D claims in 2024
In 2024, Daniel Holder wrote 67 Medicare Part D claims for 41 patients. 96% of them were for generic drugs.
Daniel Holder's Part D claims by kind of drug, 2024
- Generic64 claims96%
- Brand-name and other3 claims4%
Drug classes CMS tracks in Daniel Holder's Part D claims, 2024
- Opioids42%28 of 67 claims
- Antibiotics24%16 of 67 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
How Daniel J. Holder takes part in Medicare
Daniel Holder 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Daniel J. Holder received $33 in industry payments in 2025
CMS Open Payments shows 1 general payment to Daniel Holder from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $33.
Companies that paid Daniel Holder the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Daniel J. Holder graduated from Tufts University School of Medicine
Daniel Holder graduated from Tufts University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Daniel J. Holder'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 Daniel J. Holder
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel J. Holder's NPI number?
Daniel J. Holder's NPI number is 1629439880. It was assigned on March 16, 2016, and it is active in the NPI Registry.
What does Daniel J. Holder specialize in?
Daniel J. Holder is a physician assistant in Milton, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Daniel J. Holder practice?
Daniel Holder practices at 199 Reedsdale Road, Milton, MA 02186. Daniel Holder's primary practice is Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Daniel Holder to 2 hospitals and 6 medical groups.
What is Daniel J. Holder's office phone number?
The practice phone on file for Daniel Holder is (617) 696-4600.
What is Daniel J. Holder's medical license number?
Daniel Holder holds Massachusetts license PA5730, one of 2 state licenses on file.
Which hospitals is Daniel J. Holder affiliated with?
Daniel Holder practices at Beth Israel Deaconess Hospital-Milton in Milton, Massachusetts. Daniel Holder is also affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Daniel Holder to 2 more hospitals.
What medical group is Daniel J. Holder part of?
Daniel Holder is linked to Steward Medical Group. Dmand AI links Daniel Holder to 6 more medical groups.
Does Daniel J. Holder accept Medicare?
Yes. CMS lists Daniel Holder as accepting Medicare assignment.
How many Medicare patients does Daniel J. Holder see?
CMS counts 27 Medicare patients who saw Daniel Holder in 2024, with an average age of 72.
Where did Daniel J. Holder go to medical school?
Daniel Holder graduated from Tufts University School of Medicine in 2016.
Has Daniel J. Holder received payments from drug or device companies?
CMS Open Payments shows $33 in general payments to Daniel Holder from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Daniel J. Holder been practicing?
Daniel Holder graduated from medical school in 2016, 10 years ago.
Selling to physician assistant practices?
See physician assistants in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card