Dr. Zachary Zimko, DO

  • Largo, FL
  • Psychiatrist
NPI1437508561PAC ID6507294782
Medicare services, 2024
424
Medicare patients, 2024
84
Part D claims, 2024
2,538
Industry payments
$13,741
Affiliated sites
1
Practice address
10225 Ulmerton Rd, Largo, FL 33771
Practice phone
Call (727) 371-0079
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Bywater Mental Health

Largo, Florida

See all 5 affiliations

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Dr. Zachary Zimko is a psychiatrist in Largo, Florida

Dr. Zimko practices at Bywater Mental Health in Largo, Florida.

Dr. Zimko's NPI, 1437508561, was assigned on June 9, 2016. Dr. Zimko graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2016. Dr. Zimko holds Florida license OS15199.

NPI and contact details
Medicare PAC ID
6507294782
NPI enumeration date
June 9, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(727) 371-0079
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

Dr. Zachary Zimko practices at Bywater Mental Health in Largo, Florida

Dr. Zimko's primary practice is Bywater Mental Health, at 10225 Ulmerton Rd, Largo, FL 33771 in Pinellas County. The practice phone is (727) 371-0079.

  • Bywater Mental Health
    10225 Ulmerton Rd, Largo, FL 33771 · Pinellas CountyPhone(727) 371-0079

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

Dr. Zachary Zimko is affiliated with 2 sites of care and 3 medical groups

Dr. Zimko's primary practice is Bywater Mental Health in Largo, Florida. The medical group on file is Bywater Mental Health. Dmand AI also links Dr. Zimko to 2 more medical groups and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Zimko

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

Dmand AI tracks the EHR system at Dr. Zachary Zimko's practice

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

EHR by site
SiteEHR vendor and product
Bywater Mental HealthAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Zachary Zimko is one of 1,975 psychiatrists in Florida

Psychiatry is Dr. Zimko's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Zimko is board certified in psychiatry by the AOA Board of Neurology and Psychiatry. Dr. Zimko is licensed in Florida.

Specialties and state licenses

  • Psychiatry, FloridaPrimaryLicense OS15199 · taxonomy 2084P0800X

Clinical focus

Dmand AI lists ADHD, adjustment disease, alcohol use disorders, anxiety, bipolar disorder, depression, insomnia and intellectual and developmental disabilities among the conditions Dr. Zimko treats.

Psychiatrists near Dr. Zimko

Counts of psychiatrists 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. Zachary Zimko billed Medicare for 424 services in 2024

CMS data shows 424 Medicare services from Dr. Zimko across 3 procedure codes in 2024, for 84 Medicare patients. Medicare paid $26,157 for them. Every service was in an office.

Medicare services, 2024424
Medicare patients84
Paid by Medicare$26,157
Procedure codes3

Dr. Zimko's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3672024: 40611%
Tests and treatments
2023: 292024: 1838%

Dr. Zimko compared with the Florida median for psychiatrists, 2024

  • Dr. Zimko
  • Florida median
Medicare services
424vs 2042.1 times
Medicare patients
84vs 7315% above
Part D claims
2,378vs 2409.9 times

Medians across 1,952 psychiatrists in Florida with Dmand AI profiles that report each measure.

Dr. Zimko's 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. Zimko

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

Dr. Zachary Zimko treated 84 Medicare patients in 2024, average age 66

CMS counts 84 Medicare patients who saw Dr. Zimko in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have anxiety, and 75% have depression. 17% are also on Medicaid. Their average risk score is 1.56, 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. Zimko's median patient age at 50, with 59% women.

Medicare patients, 202484
Average age66
Average risk score1.56
Also on Medicaid17%

Dr. Zimko's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Zimko's Medicare patients by sex, 2024

  • Women5768%
  • Men2732%

Chronic conditions among Dr. Zimko's Medicare patients, 2024

  1. Anxiety75%
  2. Depression75%
  3. High cholesterol75%
  4. Mood disorders75%
  5. High blood pressure70%
  6. Arthritis58%
  7. Bipolar disorder27%
  8. Alcohol and drug use disorders26%

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

Dr. Zimko's patients across all payers

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

Patient panel by age, all payers

Median age 50

Patient panel by sex, all payers

  • Women59%
  • Men40%

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

Dr. Zachary Zimko wrote 2,538 Medicare Part D claims in 2024

In 2024, Dr. Zimko wrote 2,538 Medicare Part D claims for 141 patients. 93% of them were for generic drugs. CMS names the drug for 2,378 of them, across 49 drugs with 11 or more claims each, at $295,396 in total drug cost. In 2023, CMS named 1,854 claims across 40 drugs.

Part D claims, 20242,538
Drugs named by CMS49
Total drug cost$295,396
Part D patients141

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

  • Generic2,352 claims93%
  • Brand-name186 claims7%

Dr. Zimko's 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. Zimko's Part D claims, 2024

  • Antipsychotics, patients 65 and over5%130 of 2,538 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: 1,8542024: 2,37828%

Drugs named by CMS: 49 in 2024, 40 in 2023.

See all prescribing by Dr. Zimko

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. Zachary Zimko offers telehealth to Medicare patients

Dr. Zimko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zimko as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Zachary Zimko received $13,741 in industry payments from 2017 to 2025

CMS Open Payments shows 641 general payments to Dr. Zimko from 35 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 98% of the total. ITI, Inc. paid the most, $1,694.

General payments to Dr. Zimko by program year, 2017 to 2025

General payments to Dr. Zimko by kind, 2017 to 2025

$13.7Kin total
  • Food and beverage$13,44198%
  • Education$3002%

Companies that paid Dr. Zimko the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Zimko

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

Dr. Zachary Zimko graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford

Dr. Zimko graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2016.

  1. Medical schoolRowan-Virtua School of Osteopathic Medicine - Stratford
  2. Board certified in psychiatryAOA Board of Neurology and Psychiatry
  3. Board certified in 2018 - 2026FL State License

Source: Dmand AI Professional Profile Data

Dr. Zachary Zimko accepts plans from 6 insurance carriers

Dr. Zimko is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Cigna
  • Humana

Plan types Dr. Zimko accepts, by number of carriers

  1. HMO6
  2. Medicare6
  3. PPO6
  4. POS4
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Zachary Zimko'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)
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. Zachary Zimko

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. Zachary Zimko's NPI number?

Dr. Zachary Zimko's NPI number is 1437508561. It was assigned on June 9, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Zachary Zimko?

Dr. Zachary Zimko is a psychiatrist in Largo, Florida. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Zachary Zimko practice?

Dr. Zimko practices at 10225 Ulmerton Rd, Largo, FL 33771. Dr. Zimko's primary practice is Bywater Mental Health in Largo, Florida. Dmand AI also links Dr. Zimko to 2 medical groups and 1 group practice or clinic.

What is Dr. Zachary Zimko's office phone number?

The practice phone on file for Dr. Zimko is (727) 371-0079.

What is Dr. Zachary Zimko's medical license number?

Dr. Zimko holds Florida license OS15199.

What medical group is Dr. Zachary Zimko part of?

Dr. Zimko is linked to Bywater Mental Health. Dmand AI links Dr. Zimko to 2 more medical groups.

Does Dr. Zachary Zimko accept Medicare?

Yes. CMS data shows Dr. Zimko billed Medicare for 424 services in 2024, and Dr. Zimko accepts Medicare assignment.

Does Dr. Zachary Zimko offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Zimko as offering telehealth services.

How many Medicare patients does Dr. Zachary Zimko see?

CMS counts 84 Medicare patients who saw Dr. Zimko in 2024, with an average age of 66.

Is Dr. Zachary Zimko board certified?

Yes. Dr. Zimko is board certified in psychiatry by the AOA Board of Neurology and Psychiatry.

Show 6 more questionsShow fewer questions

What services does Dr. Zachary Zimko bill to Medicare?

In 2024, Dr. Zimko's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and psychiatric service (90792).

Where did Dr. Zachary Zimko go to medical school?

Dr. Zimko graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2016.

What drugs does Dr. Zachary Zimko prescribe most?

In 2024 Medicare Part D data, Dr. Zimko's most prescribed drugs by claims were Lorazepam, Alprazolam and Clonazepam.

Has Dr. Zachary Zimko received payments from drug or device companies?

CMS Open Payments shows $13,741 in general payments to Dr. Zimko from 35 companies from 2017 to 2025. The largest total came from ITI, Inc.

How long has Dr. Zachary Zimko been practicing?

Dr. Zimko graduated from medical school in 2016, 10 years ago.

What insurance does Dr. Zachary Zimko accept?

Dr. Zimko is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.

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