Brian C. Fellows, NP
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 3,885
- Hospital affiliations
- 2
- Industry payments
- $1,734
- Medical groups
- 6
- Practice address
- 62 Brown St Suite 502 Suite 502, Haverhill, MA 01830-6790
- Practice phone
- Call (978) 521-6555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Haverhill Family Office
Primary care practice · Haverhill, Massachusetts
Find Brian 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.
Brian C. Fellows is a nurse practitioner in Haverhill, Massachusetts
Brian Fellows practices at Haverhill Family Office in Haverhill, Massachusetts.
Brian Fellows' NPI, 1548211659, was assigned on May 13, 2006. Brian Fellows holds Massachusetts license 213260.
- NPI
- 1548211659NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103874722
- NPI enumeration date
- May 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 521-6555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Brian C. Fellows practices at Haverhill Family Office in Haverhill, Massachusetts
Brian Fellows' primary practice is Haverhill Family Office, at 62 Brown St Suite 502 Suite 502, Haverhill, MA 01830-6790. The practice phone is (978) 521-6555.
- Haverhill Family Office62 Brown St Suite 502 Suite 502, Haverhill, MA 01830-6790Phone(978) 521-6555
Source: Dmand AI Affiliation Data
Brian C. Fellows is affiliated with 5 sites of care and 6 medical groups
Brian Fellows' primary practice is Haverhill Family Office in Haverhill, Massachusetts. Brian Fellows is also affiliated with Merrimack Health Lawrence Hospital. The medical group on file is Haverhill Family Office. Dmand AI also links Brian Fellows to 1 more hospital, 5 medical groups and 2 group practices and clinics, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Brian C. Fellows' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brian Fellows practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Haverhill Family Office | Available with a free account |
| +4 more sites and 5 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Brian C. Fellows is one of 2,511 nurse practitioners in Massachusetts
Nurse practitioner is Brian Fellows' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Brian Fellows is licensed in Massachusetts.
Specialties and state licenses
- Nurse practitioner, MassachusettsPrimary
Nurse practitioners near Brian Fellows
Counts of nurse practitioners 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
Brian C. Fellows treated 159 Medicare patients in 2024, average age 69
CMS counts 159 Medicare patients who saw Brian Fellows in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have anxiety, and 75% have depression. 100% are also on Medicaid. Their average risk score is 2.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Brian Fellows' median patient age at 56, with 37% women.
Brian Fellows' Medicare patients by age, 2024
Brian Fellows' Medicare patients by sex, 2024
- Women7044%
- Men8956%
Chronic conditions among Brian Fellows' Medicare patients, 2024
- Anxiety75%
- Depression75%
- High blood pressure75%
- Mood disorders75%
- High cholesterol64%
- Schizophrenia and other psychoses57%
- Alcohol and drug use disorders43%
- Diabetes42%
Share of Medicare patients with each condition. A patient can have several.
Brian Fellows' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women37%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Brian C. Fellows wrote 3,885 Medicare Part D claims in 2024
In 2024, Brian Fellows wrote 3,885 Medicare Part D claims for 515 patients. 91% of them were for generic drugs.
Brian Fellows' Part D claims by kind of drug, 2024
- Generic3,523 claims91%
- Brand-name and other362 claims9%
Drug classes CMS tracks in Brian Fellows' Part D claims, 2024
- Opioids12%481 of 3,885 claims
- Antibiotics2%94 of 3,885 claims
- Antipsychotics, patients 65 and over1%41 of 3,885 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 Brian C. Fellows takes part in Medicare
Brian 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)
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.
Brian C. Fellows received $1,734 in industry payments in 2025
CMS Open Payments shows 83 general payments to Brian Fellows from 22 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $307.
Companies that paid Brian Fellows the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Brian C. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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) |
| 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 Brian C. 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 Brian C. Fellows' NPI number?
Brian C. Fellows' NPI number is 1548211659. It was assigned on May 13, 2006, and it is active in the NPI Registry.
What does Brian C. Fellows specialize in?
Brian C. Fellows is a nurse practitioner in Haverhill, Massachusetts. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Brian C. Fellows practice?
Brian Fellows practices at 62 Brown St Suite 502 Suite 502, Haverhill, MA 01830-6790. Brian Fellows' primary practice is Haverhill Family Office in Haverhill, Massachusetts. Dmand AI also links Brian Fellows to 1 hospital, 5 medical groups and 2 group practices and clinics.
What is Brian C. Fellows' office phone number?
The practice phone on file for Brian Fellows is (978) 521-6555.
What is Brian C. Fellows' medical license number?
Brian Fellows holds Massachusetts license 213260.
Which hospitals is Brian C. Fellows affiliated with?
Brian Fellows is affiliated with Merrimack Health Lawrence Hospital. Dmand AI links Brian Fellows to 1 more hospital.
What medical group is Brian C. Fellows part of?
Brian Fellows is linked to Haverhill Family Office. Dmand AI links Brian Fellows to 5 more medical groups.
Does Brian C. Fellows accept Medicare?
Yes. CMS lists Brian Fellows as accepting Medicare assignment.
How many Medicare patients does Brian C. Fellows see?
CMS counts 159 Medicare patients who saw Brian Fellows in 2024, with an average age of 69.
Has Brian C. Fellows received payments from drug or device companies?
CMS Open Payments shows $1,734 in general payments to Brian Fellows from 22 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Brian C. Fellows been practicing?
Brian Fellows graduated from medical school in 1998, 28 years ago.
Selling to nurse practitioner practices?
See nurse practitioners 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