Mark Anthony Fellows
- Medicare patients, 2024
- 23
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 505 Main Street, Northport, NY 11768
- Practice phone
- Call (631) 261-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Visiting Nurse Service & Hospice of Suffolk
Home Health Agency - Main Office · Northport, New York
Find Mark Fellows' 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.
Mark Anthony Fellows is a physical therapist in Stony Brook, New York
Mark Fellows practices at Visiting Nurse Service & Hospice of Suffolk in Northport, New York.
Mark Fellows' NPI, 1629226972, was assigned on August 28, 2008. Mark Fellows holds New York license 011685.
- NPI
- 1629226972NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002951670
- NPI enumeration date
- August 28, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 261-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Anthony Fellows practices in Northport and Stony Brook
Mark Fellows' primary practice is Visiting Nurse Service & Hospice of Suffolk, at 505 Main Street, Northport, NY 11768. The practice phone is (631) 261-7200. The NPI Registry lists Mark Fellows' practice address as 7 Ballad Pl, Stony Brook, NY 11790.
- Visiting Nurse Service & Hospice of SuffolkPrimary505 Main Street, Northport, NY 11768Phone(631) 261-7200
- NPI Registry address7 Ballad Pl, Stony Brook, NY 11790
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Mark Anthony Fellows is affiliated with 1 site of care and 1 medical group
Mark Fellows' primary practice is Visiting Nurse Service & Hospice of Suffolk in Northport, New York. The medical group on file is Visiting Nurse Service & Hospice of Suffolk (VNSHS).
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark Anthony Fellows' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Fellows practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Visiting Nurse Service & Hospice of Suffolk | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Anthony Fellows is one of 9,504 physical therapists in New York
Physical therapist is Mark Fellows' primary specialty in the NPI Registry, under taxonomy code 225100000X. Mark Fellows is licensed in New York.
Specialties and state licenses
- Physical therapist, New YorkPrimary
Physical therapists near Mark Fellows
Counts of physical therapists 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
Mark Anthony Fellows treated 23 Medicare patients in 2024, average age 84
CMS counts 23 Medicare patients who saw Mark Fellows in 2024. The largest group is 85 and over, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Fellows' median patient age at 89, with 0% women.
Mark Fellows' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Mark Fellows' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Diabetes61%
- Mood disorders61%
- Alzheimer's and dementia57%
- Depression57%
- Chronic kidney disease52%
Share of Medicare patients with each condition. A patient can have several.
Mark Fellows' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 89
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Mark Anthony Fellows takes part in Medicare
Mark Fellows 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)
Sources for Mark Anthony Fellows'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Mark Anthony Fellows
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Anthony Fellows' NPI number?
Mark Anthony Fellows' NPI number is 1629226972. It was assigned on August 28, 2008, and it is active in the NPI Registry.
What does Mark Anthony Fellows specialize in?
Mark Anthony Fellows is a physical therapist in Stony Brook, New York. The primary specialty in the NPI Registry is Physical Therapist (taxonomy code 225100000X).
Where does Mark Anthony Fellows practice?
Mark Fellows practices at 505 Main Street, Northport, NY 11768. Mark Fellows also practices at 7 Ballad Pl, Stony Brook, NY 11790. Mark Fellows' primary practice is Visiting Nurse Service & Hospice of Suffolk in Northport, New York.
What is Mark Anthony Fellows' office phone number?
The practice phone on file for Mark Fellows is (631) 261-7200.
What is Mark Anthony Fellows' medical license number?
Mark Fellows holds New York license 011685.
What medical group is Mark Anthony Fellows part of?
Mark Fellows is linked to Visiting Nurse Service & Hospice of Suffolk (VNSHS).
Does Mark Anthony Fellows accept Medicare?
Yes. CMS lists Mark Fellows as accepting Medicare assignment.
How many Medicare patients does Mark Anthony Fellows see?
CMS counts 23 Medicare patients who saw Mark Fellows in 2024, with an average age of 84.
How long has Mark Anthony Fellows been practicing?
Mark Fellows graduated from medical school in 1990, 36 years ago.
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