Dr. Brian David Zelis, MD

  • Holyoke, MA
  • Family medicine physician
NPI1891894929
Medicare services, 2023
159
Part D claims, 2024
81
Industry payments
$1,464
Affiliated sites
1
Medical groups
2
Practice address
24600 S Tamiami Trl Suite 500 Suite 500, Bonita Springs, FL 34134-7025
Practice phone
Call (239) 948-3761
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Millennium Physician Group - Bonita Springs (S Tamiami Trl)

Primary care practice · Bonita Springs, Florida

See all 3 affiliations

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Dr. Brian David Zelis is a family medicine physician in Holyoke, Massachusetts

Dr. Zelis practices at Millennium Physician Group - Bonita Springs (S Tamiami Trl) in Bonita Springs, Florida.

Dr. Zelis' NPI, 1891894929, was assigned on September 22, 2006. Dr. Zelis graduated from Northeast Ohio Medical University in 1997. Dr. Zelis holds Florida license ME146811.

NPI and contact details
NPI enumeration date
September 22, 2006
NPI status
Active
Practice phone
(239) 948-3761
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Brian David Zelis practices in Bonita Springs and Holyoke

Dr. Zelis' primary practice is Millennium Physician Group - Bonita Springs (S Tamiami Trl), at 24600 S Tamiami Trl Suite 500 Suite 500, Bonita Springs, FL 34134-7025. The practice phone is (239) 948-3761. The NPI Registry lists Dr. Zelis' practice address as 50 Holy Family Rd, Holyoke, MA 01040.

  • Millennium Physician Group - Bonita Springs (S Tamiami Trl)Primary
    24600 S Tamiami Trl Suite 500 Suite 500, Bonita Springs, FL 34134-7025Phone(239) 948-3761
  • NPI Registry address
    50 Holy Family Rd, Holyoke, MA 01040 · Hampden CountyPhone(239) 948-3761

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. Brian David Zelis is affiliated with 1 site of care and 2 medical groups

Dr. Zelis' primary practice is Millennium Physician Group - Bonita Springs (S Tamiami Trl) in Bonita Springs, Florida. The medical group on file is Millennium Physician Group. Dmand AI also links Dr. Zelis to 1 more medical group, named with a free account.

Millennium Physician Group - Bonita Springs (S Tamiami Trl)Primary care practice · Bonita Springs, FloridaPrimary
Millennium Physician GroupPrimary care group, Fort Myers, FL1 medical groupName with a free account
See all 3 affiliations for Dr. Zelis

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Brian David Zelis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zelis practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Millennium Physician Group - Bonita Springs (S Tamiami Trl)Available with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brian David Zelis is one of 2,036 family medicine physicians in Massachusetts

Family medicine is Dr. Zelis' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Zelis is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Zelis' licenses on file in 3 states: Florida, Tennessee and Ohio.

Specialties and state licenses

  • Family medicine, FloridaPrimaryLicense ME146811 · 2020 to 2027 · taxonomy 207Q00000X
  • Tennessee license2023 to 2026
  • Ohio licenseLicense 35078457Z · 2000 to 2025

Clinical focus

Dmand AI lists adjustment disease, arthritis, bronchitis, cerebrovascular disease, chronic hypertension, chronic kidney disease, chronic nasal allergies and contact dermatitis among the conditions Dr. Zelis treats.

Family medicine physicians near Dr. Zelis

Counts of family medicine physicians 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. Brian David Zelis billed Medicare for 159 services in 2023

CMS data shows 159 Medicare services from Dr. Zelis across 7 procedure codes in 2023. Medicare paid $7,174 for them. Every service was in an office.

Medicare services, 2023159
Paid by Medicare$7,174
Procedure codes7

Dr. Zelis' Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 4602023: 9080%
Other services
2022: 1972023: 2587%
Lab and pathology
2022: 7312023: 2397%
Surgery
2022: 1442023: 2185%
Tests and treatments
2022: 232023: 0100%

Dr. Zelis compared with the Massachusetts median for family medicine physicians, 2023

  • Dr. Zelis
  • Massachusetts median
Medicare services
159vs 36156% below
Part D claims
1,037vs 80828% above

Medians across 2,093 family medicine physicians in Massachusetts with Dmand AI profiles that report each measure.

Dr. Zelis' most billed Medicare procedure codes, 2023

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. Brian David Zelis' patients have a median age of 56

Across all payers, Dmand AI patient panel data puts Dr. Zelis' median patient age at 56, with 48% women.

Dr. Zelis' 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

  • Women48%
  • Men51%

Source: Dmand AI Patient Panel Data

Dr. Brian David Zelis wrote 81 Medicare Part D claims in 2024

In 2024, Dr. Zelis wrote 81 Medicare Part D claims for 46 patients. 91% of them were for generic drugs. They cover 36 drugs, with $43,628 in total drug cost. In 2022, CMS named 2,550 claims across 74 drugs.

Part D claims, 202481
Drugs named by CMS36
Total drug cost$43,628
Part D patients46

Dr. Zelis' Part D claims by kind of drug, 2024

  • Generic74 claims91%
  • Brand-name and other7 claims9%

Dr. Zelis' most prescribed drugs by claims, 2023

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. Zelis' Part D claims, 2024

  • Antibiotics33%27 of 81 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, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 2,5502023: 1,03759%

Drugs named by CMS: 36 in 2023, 74 in 2022.

See all prescribing by Dr. Zelis

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

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Dr. Brian David Zelis received $1,464 in industry payments from 2016 to 2023

CMS Open Payments shows 125 general payments to Dr. Zelis from 26 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $187.

General payments to Dr. Zelis by program year, 2016 to 2023

Companies that paid Dr. Zelis the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Zelis

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Brian David Zelis graduated from Northeast Ohio Medical University

Dr. Zelis graduated from Northeast Ohio Medical University in 1997.

  1. Medical schoolNortheast Ohio Medical University
  2. Board certified in family medicineAmerican Board of Family Medicine

Source: Dmand AI Professional Profile Data

Dr. Brian David Zelis accepts plans from 5 insurance carriers

Dr. Zelis is in network with 5 carriers, including United Healthcare, CareSource and Molina. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

  • United Healthcare
  • CareSource
  • Molina
  • Blue Cross and Blue Shield of Kansas City
  • HCSC

Plan types Dr. Zelis accepts, by number of carriers

  1. Medicare3
  2. HMO2
  3. EPO1
  4. Medicaid1
  5. POS1
  6. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Brian David Zelis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES 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 systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Brian David Zelis

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. Brian David Zelis' NPI number?

Dr. Brian David Zelis' NPI number is 1891894929. It was assigned on September 22, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Brian David Zelis?

Dr. Brian David Zelis is a family medicine physician in Holyoke, Massachusetts. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Brian David Zelis practice?

Dr. Zelis practices at 24600 S Tamiami Trl Suite 500 Suite 500, Bonita Springs, FL 34134-7025. Dr. Zelis also practices at 50 Holy Family Rd, Holyoke, MA 01040. Dr. Zelis' primary practice is Millennium Physician Group - Bonita Springs (S Tamiami Trl) in Bonita Springs, Florida. Dmand AI also links Dr. Zelis to 1 medical group.

What is Dr. Brian David Zelis' office phone number?

The practice phone on file for Dr. Zelis is (239) 948-3761.

What is Dr. Brian David Zelis' medical license number?

Dr. Zelis holds Florida license ME146811, one of the licenses on file in 3 states.

Which states has Dr. Brian David Zelis been licensed in?

Dmand AI has state licenses on file for Dr. Zelis in Florida (2020 to 2027), Tennessee (2023 to 2026) and Ohio (2000 to 2025).

What medical group is Dr. Brian David Zelis part of?

Dr. Zelis is linked to Millennium Physician Group. Dmand AI links Dr. Zelis to 1 more medical group.

Does Dr. Brian David Zelis accept Medicare?

Yes. CMS data shows Dr. Zelis billed Medicare for 159 services in 2023.

Is Dr. Brian David Zelis board certified?

Yes. Dr. Zelis is board certified in family medicine by the American Board of Family Medicine.

What services does Dr. Brian David Zelis bill to Medicare?

In 2023, Dr. Zelis' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).

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Where did Dr. Brian David Zelis go to medical school?

Dr. Zelis graduated from Northeast Ohio Medical University in 1997.

What drugs does Dr. Brian David Zelis prescribe most?

In 2023 Medicare Part D data, Dr. Zelis' most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.

Has Dr. Brian David Zelis received payments from drug or device companies?

CMS Open Payments shows $1,464 in general payments to Dr. Zelis from 26 companies from 2016 to 2023. The largest total came from Allergan Inc.

How long has Dr. Brian David Zelis been practicing?

Dr. Zelis graduated from medical school in 1997, 29 years ago.

What insurance does Dr. Brian David Zelis accept?

Dr. Zelis is in network with 5 carriers, including United Healthcare, CareSource and Molina. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.

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