Dr. Theodossis Zacharis, MD

  • New Smyrna Beach, FL
  • Pulmonologist
NPI1205889243PAC ID0648283960
Medicare services, 2024
59,584
Medicare patients, 2024
2,242
Part D claims, 2024
12,643
MIPS score, 2024
75
Hospital affiliations
5
Practice address
1055 N Dixie Fwy, New Smyrna Beach, FL 32168
Practice phone
Call (386) 423-0505
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Pccc of Volusia

New Smyrna Beach, Florida

See all 12 affiliations

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Dr. Theodossis Zacharis is a pulmonologist in New Smyrna Beach, Florida

Dr. Zacharis practices at Pccc of Volusia in New Smyrna Beach, Florida.

Dr. Zacharis' NPI, 1205889243, was assigned on May 19, 2006. Dr. Zacharis graduated from University of Patras School of Medicine in 1996. Dr. Zacharis holds Florida license ME95732.

NPI and contact details
Medicare PAC ID
0648283960
NPI enumeration date
May 19, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(386) 423-0505
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

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

Dr. Theodossis Zacharis practices at Pccc of Volusia in New Smyrna Beach, Florida

Dr. Zacharis' primary practice is Pccc of Volusia, at 1055 N Dixie Fwy, New Smyrna Beach, FL 32168 in Volusia County. The practice phone is (386) 423-0505.

  • Pccc of Volusia
    1055 N Dixie Fwy, New Smyrna Beach, FL 32168 · Volusia CountyPhone(386) 423-0505

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Theodossis Zacharis is affiliated with 10 sites of care and 2 medical groups

Dr. Zacharis' primary practice is Pccc of Volusia in New Smyrna Beach, Florida. Dr. Zacharis is also affiliated with AdventHealth New Smyrna Beach. The medical group on file is PCCC of Volusia. Dmand AI also links Dr. Zacharis to 4 more hospitals, 2 group practices and clinics, 1 home health agency, 1 hospice and 1 medical group, each named with a free account.

See all 12 affiliations for Dr. Zacharis

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Theodossis Zacharis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zacharis practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Pccc of VolusiaAvailable with a free account
+9 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Theodossis Zacharis is one of 934 pulmonologists in Florida

Pulmonary disease is Dr. Zacharis' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Zacharis is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Zacharis is licensed in Florida.

Specialties and state licenses

  • Pulmonary disease, FloridaPrimaryLicense ME95732 · 2006 to 2026 · taxonomy 207RP1001X

Clinical focus

Dmand AI lists acute sinusitis, asthma, bronchitis, chronic lung disease, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, hypersomnia and pleural effusion among the conditions Dr. Zacharis treats.

Pulmonologists near Dr. Zacharis

Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.

934pulmonologists in Florida
4pulmonologists in New Smyrna Beach

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Theodossis Zacharis billed Medicare for 59,584 services in 2024

CMS data shows 59,584 Medicare services from Dr. Zacharis across 38 procedure codes in 2024, for 2,242 Medicare patients. Medicare paid $990,849 for them.

Medicare services, 202459,584
Medicare patients2,242
Paid by Medicare$990,849
Procedure codes38

Dr. Zacharis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 13,3482024: 45,013237%
Tests and treatments
2023: 6,9992024: 7,5348%
Office and hospital visits
2023: 6,2802024: 6,6486%
Other services
2023: 3532024: 3472%
Surgery
2023: 402024: 425%

Where Dr. Zacharis' Medicare services took place, 2024

  • In an office57,34596%
  • In a facility2,2394%

Dr. Zacharis compared with the Florida median for pulmonologists, 2024

  • Dr. Zacharis
  • Florida median
Medicare services
59,584vs 1,00259.5 times
Medicare patients
2,242vs 4085.5 times
Part D claims
12,120vs 63719.0 times

Medians across 895 pulmonologists in Florida with Dmand AI profiles that report each measure.

Dr. Zacharis' 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.

See all procedures by Dr. Zacharis

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Theodossis Zacharis treated 2,242 Medicare patients in 2024, average age 76

CMS counts 2,242 Medicare patients who saw Dr. Zacharis in 2024. The largest group is 75 to 84, with 955 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.90, 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. Zacharis' median patient age at 72, with 51% women.

Medicare patients, 20242,242
Average age76
Average risk score1.90
Also on Medicaid11%

Dr. Zacharis' Medicare patients by age, 2024

Dr. Zacharis' Medicare patients by sex, 2024

  • Women1,27857%
  • Men96443%

Chronic conditions among Dr. Zacharis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. COPD62%
  4. Arthritis58%
  5. Ischemic heart disease50%
  6. Chronic kidney disease39%
  7. Diabetes37%
  8. Anxiety35%

Share of Medicare patients with each condition. A patient can have several.

Dr. Zacharis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Theodossis Zacharis wrote 12,643 Medicare Part D claims in 2024

In 2024, Dr. Zacharis wrote 12,643 Medicare Part D claims for 1,665 patients. 77% of them were for generic drugs. CMS names the drug for 12,120 of them, across 92 drugs with 11 or more claims each, at $1,985,365 in total drug cost. In 2023, CMS named 10,533 claims across 79 drugs.

Part D claims, 202412,643
Drugs named by CMS92
Total drug cost$2M
Part D patients1,665

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

  • Generic9,760 claims77%
  • Brand-name and other2,883 claims23%

Dr. Zacharis' 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. Zacharis' Part D claims, 2024

  • Opioids0%39 of 12,643 claims
  • Antibiotics17%2,128 of 12,643 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: 10,5332024: 12,12015%

Drugs named by CMS: 92 in 2024, 79 in 2023.

See all prescribing by Dr. Zacharis

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. Theodossis Zacharis scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Zacharis for performance year 2024, reported individually. Dr. Zacharis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Theodossis Zacharis received $21,479 in industry payments from 2016 to 2025

CMS Open Payments shows 1,076 general payments to Dr. Zacharis from 66 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. GlaxoSmithKline, LLC. paid the most, $3,142.

General payments to Dr. Zacharis by program year, 2016 to 2025

General payments to Dr. Zacharis by kind, 2016 to 2025

$21.5Kin total
  • Food and beverage$18,95988%
  • Speaker and faculty fees$1,6007%
  • Education$5853%
  • Travel and lodging$3342%

Companies that paid Dr. Zacharis the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Zacharis

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

Dr. Theodossis Zacharis has 1 award and honors on record

Dmand AI lists 1 award for Dr. Zacharis, most recently CMS Stage 1 2012 in 2012.

Awards and honors for Dr. Zacharis

  1. 2012
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Theodossis Zacharis graduated from University of Patras School of Medicine

Dr. Zacharis graduated from University of Patras School of Medicine in 1996.

  1. Medical schoolUniversity of Patras School of Medicine
  2. Board certified in critical care medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in pulmonary diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Theodossis Zacharis accepts plans from 12 insurance carriers

Dr. Zacharis is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Florida Health Care Plans
  • HCSC
  • Regence Health Plans
  • Aspirus Health Plan
  • +4 more carriersWith a free account

Plan types Dr. Zacharis accepts, by number of carriers

  1. Medicare7
  2. PPO7
  3. POS5
  4. HMO4
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Theodossis Zacharis'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Theodossis Zacharis

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. Theodossis Zacharis' NPI number?

Dr. Theodossis Zacharis' NPI number is 1205889243. It was assigned on May 19, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Theodossis Zacharis?

Dr. Theodossis Zacharis is a pulmonologist in New Smyrna Beach, Florida. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Theodossis Zacharis practice?

Dr. Zacharis practices at 1055 N Dixie Fwy, New Smyrna Beach, FL 32168. Dr. Zacharis' primary practice is Pccc of Volusia in New Smyrna Beach, Florida. Dmand AI also links Dr. Zacharis to 4 hospitals, 2 group practices and clinics, 1 home health agency, 1 hospice and 1 medical group.

What is Dr. Theodossis Zacharis' office phone number?

The practice phone on file for Dr. Zacharis is (386) 423-0505.

What is Dr. Theodossis Zacharis' medical license number?

Dr. Zacharis holds Florida license ME95732.

Which hospitals is Dr. Theodossis Zacharis affiliated with?

Dr. Zacharis is affiliated with AdventHealth New Smyrna Beach. Dmand AI links Dr. Zacharis to 4 more hospitals.

What medical group is Dr. Theodossis Zacharis part of?

Dr. Zacharis is linked to PCCC of Volusia. Dmand AI links Dr. Zacharis to 1 more medical group.

Does Dr. Theodossis Zacharis accept Medicare?

Yes. CMS data shows Dr. Zacharis billed Medicare for 59,584 services in 2024, and Dr. Zacharis accepts Medicare assignment.

What is Dr. Theodossis Zacharis' MIPS score?

Dr. Zacharis' MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. Theodossis Zacharis see?

CMS counts 2,242 Medicare patients who saw Dr. Zacharis in 2024, with an average age of 76.

Show 7 more questionsShow fewer questions

Is Dr. Theodossis Zacharis board certified?

Yes. Dr. Zacharis is board certified in critical care medicine by the American Board of Internal Medicine.

What services does Dr. Theodossis Zacharis bill to Medicare?

In 2024, Dr. Zacharis' most billed Medicare services were injected or infused drug (J1010), injected or infused drug (J1100) and office visit, established patient (99214).

Where did Dr. Theodossis Zacharis go to medical school?

Dr. Zacharis graduated from University of Patras School of Medicine in 1996.

What drugs does Dr. Theodossis Zacharis prescribe most?

In 2024 Medicare Part D data, Dr. Zacharis' most prescribed drugs by claims were Montelukast Sodium, Prednisone and Trelegy Ellipta.

Has Dr. Theodossis Zacharis received payments from drug or device companies?

CMS Open Payments shows $21,479 in general payments to Dr. Zacharis from 66 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Theodossis Zacharis been practicing?

Dr. Zacharis graduated from medical school in 1996, 30 years ago.

What insurance does Dr. Theodossis Zacharis accept?

Dr. Zacharis is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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