Dr. John Nick Patzakis, DO

  • Cleveland, OH
  • Vascular surgeon
NPI1093751448
Medicare services, 2024
26
Medicare patients, 2024
13
Industry payments
$1,565
State license
1
Year NPI issued
2006
Practice address
18901 Lake Shore Blvd, Cleveland, OH 44119
Practice phone
Call (216) 531-9000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Euclid Hospital

Cleveland, Ohio

Find Dr. Patzakis' 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.

View contacts for free

Dr. John Nick Patzakis is a vascular surgeon in Cleveland, Ohio

Dr. Patzakis practices at Euclid Hospital in Cleveland, Ohio.

Dr. Patzakis' NPI, 1093751448, was assigned on June 22, 2006. Dr. Patzakis holds Ohio license 34004003.

NPI and contact details
NPI enumeration date
June 22, 2006
NPI status
Active
Practice phone
(216) 531-9000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

Dr. John Nick Patzakis practices at Euclid Hospital in Cleveland, Ohio

Dr. Patzakis' primary practice is Euclid Hospital, at 18901 Lake Shore Blvd, Cleveland, OH 44119 in Cuyahoga County. The practice phone is (216) 531-9000.

  • Euclid Hospital
    18901 Lake Shore Blvd, Cleveland, OH 44119 · Cuyahoga CountyPhone(216) 531-9000

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

Dr. John Nick Patzakis is affiliated with 1 site of care

Dr. Patzakis' primary practice is Euclid Hospital in Cleveland, Ohio.

Euclid HospitalCleveland, OhioPrimary

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

Dmand AI tracks the EHR system at Dr. John Nick Patzakis' practice

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

EHR by site
SiteEHR vendor and product
Euclid HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Patzakis practices

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.

Dr. John Nick Patzakis is one of 218 vascular surgeons in Ohio

Vascular surgery is Dr. Patzakis' primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Patzakis is licensed in Ohio.

Specialties and state licenses

  • Vascular surgery, OhioPrimaryLicense 34004003 · taxonomy 2086S0129X

Vascular surgeons near Dr. Patzakis

Counts of vascular surgeons 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. John Nick Patzakis billed Medicare for 26 services in 2024

CMS data shows 26 Medicare services from Dr. Patzakis across 1 procedure code in 2024, for 13 Medicare patients. Medicare paid $1,945 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202426
Medicare patients13
Paid by Medicare$1,945
Procedure codes1

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

  • 2023
  • 2024
Tests and treatments
2023: 282024: 267%

Dr. Patzakis compared with the Ohio median for vascular surgeons, 2024

  • Dr. Patzakis
  • Ohio median
Medicare services
26vs 64096% below
Medicare patients
13vs 48797% below

Medians across 212 vascular surgeons in Ohio with Dmand AI profiles that report each measure.

Dr. Patzakis' 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. Patzakis

Need commercial claims for Dr. Patzakis?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Patzakis and other vascular surgeons in Ohio.

Book a meeting

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

Dr. John Nick Patzakis treated 13 Medicare patients in 2024, average age 75

CMS counts 13 Medicare patients who saw Dr. Patzakis in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Medicare patients, 202413
Average age75
Average risk score2.62

Chronic conditions among Dr. Patzakis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%

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

Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

For MedTech and pharma teams

Find vascular surgeons like Dr. Patzakis by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. John Nick Patzakis received $1,565 in industry payments from 2016 to 2024

CMS Open Payments shows 8 general payments to Dr. Patzakis from 5 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 87% of the total. Philips Electronics North America Corporation paid the most, $1,250.

General payments to Dr. Patzakis by program year, 2016 to 2024

General payments to Dr. Patzakis by kind, 2016 to 2024

$1.6Kin total
  • Consulting fees$1,36087%
  • Food and beverage$20513%

Companies that paid Dr. Patzakis the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Patzakis

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

Sources for Dr. John Nick Patzakis'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 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 panelMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. John Nick Patzakis

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. John Nick Patzakis' NPI number?

Dr. John Nick Patzakis' NPI number is 1093751448. It was assigned on June 22, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Nick Patzakis?

Dr. John Nick Patzakis is a vascular surgeon in Cleveland, Ohio. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. John Nick Patzakis practice?

Dr. Patzakis practices at 18901 Lake Shore Blvd, Cleveland, OH 44119. Dr. Patzakis' primary practice is Euclid Hospital in Cleveland, Ohio.

What is Dr. John Nick Patzakis' office phone number?

The practice phone on file for Dr. Patzakis is (216) 531-9000.

What is Dr. John Nick Patzakis' medical license number?

Dr. Patzakis holds Ohio license 34004003.

Does Dr. John Nick Patzakis accept Medicare?

Yes. CMS data shows Dr. Patzakis billed Medicare for 26 services in 2024.

How many Medicare patients does Dr. John Nick Patzakis see?

CMS counts 13 Medicare patients who saw Dr. Patzakis in 2024, with an average age of 75.

What services does Dr. John Nick Patzakis bill to Medicare?

In 2024, Dr. Patzakis' most billed Medicare services were special service (99183).

Has Dr. John Nick Patzakis received payments from drug or device companies?

CMS Open Payments shows $1,565 in general payments to Dr. Patzakis from 5 companies from 2016 to 2024. The largest total came from Philips Electronics North America Corporation.

How long has Dr. John Nick Patzakis been practicing?

Dr. Patzakis' NPI was assigned in 2006.

Selling to vascular surgery practices?

See vascular surgeons in Ohio 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)