Dr. Christopher G. Johnnides, MD
- Medicare services, 2018
- 23
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 101
- Industry payments
- $689
- Affiliated sites
- 2
- Practice address
- 2045 Franklin St, Denver, CO 80205
- Practice phone
- Call (303) 764-4442
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center - Ambulatory at Franklin Medical Offices
Surgery Center - Medicare-Certified · Denver, Colorado
Find Dr. Johnnides' professional email, personal email and mobile number
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Dr. Christopher G. Johnnides is a vascular surgeon in Denver, Colorado
Dr. Johnnides practices at Surgery Center - Ambulatory at Franklin Medical Offices in Denver, Colorado.
Dr. Johnnides' NPI, 1841257706, was assigned on April 26, 2006. Dr. Johnnides graduated from Eastern Virginia Medical School in 1997. Dr. Johnnides holds Colorado license DR0046643.
- NPI
- 1841257706NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901832138
- NPI enumeration date
- April 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 764-4442
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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. Christopher G. Johnnides practices at Surgery Center - Ambulatory at Franklin Medical Offices in Denver, Colorado
Dr. Johnnides' primary practice is Surgery Center - Ambulatory at Franklin Medical Offices, at 2045 Franklin St, Denver, CO 80205. The practice phone is (303) 764-4442.
- Surgery Center - Ambulatory at Franklin Medical Offices2045 Franklin St, Denver, CO 80205Phone(303) 764-4442
Source: Dmand AI Affiliation Data
Dr. Christopher G. Johnnides is affiliated with 2 sites of care and 5 medical groups
Dr. Johnnides' primary practice is Surgery Center - Ambulatory at Franklin Medical Offices in Denver, Colorado. The medical group on file is Colorado Permanente Medical Group. Dmand AI also links Dr. Johnnides to 4 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher G. Johnnides' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnnides practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center - Ambulatory at Franklin Medical Offices | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher G. Johnnides is one of 59 vascular surgeons in Colorado
Vascular surgery is Dr. Johnnides' primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Johnnides' licenses on file in 2 states: Colorado and Pennsylvania.
Specialties and state licenses
- Vascular surgery, ColoradoPrimary
- Pennsylvania license
Vascular surgeons near Dr. Johnnides
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. Christopher G. Johnnides billed Medicare for 23 services in 2018
CMS data shows 23 Medicare services from Dr. Johnnides across 2 procedure codes in 2018, for 16 Medicare patients. Medicare paid $305 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnnides compared with the Colorado median for vascular surgeons, 2018
- Dr. Johnnides
- Colorado median
- Medicare services
- 23vs 37794% below
- Medicare patients
- 16vs 22093% below
- Part D claims
- 51vs 51Close to median
Medians across 61 vascular surgeons in Colorado with Dmand AI profiles that report each measure.
Dr. Johnnides' most billed Medicare procedure codes, 2018
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnnides and other vascular surgeons in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher G. Johnnides treated 16 Medicare patients in 2024, average age 61
CMS counts 16 Medicare patients who saw Dr. Johnnides in 2024. 69% of them have high blood pressure. Their average risk score is 3.31, 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. Johnnides' median patient age at 71, with 49% women.
Chronic conditions among Dr. Johnnides' Medicare patients, 2024
- High blood pressure69%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnnides' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher G. Johnnides wrote 101 Medicare Part D claims in 2024
In 2024, Dr. Johnnides wrote 101 Medicare Part D claims for 50 patients. 93% of them were for generic drugs. CMS names the drug for 51 of them, across 3 drugs with 11 or more claims each, at $1,233 in total drug cost. In 2023, CMS named 69 claims across 3 drugs.
Dr. Johnnides' Part D claims by kind of drug, 2024
- Generic94 claims93%
- Brand-name and other7 claims7%
Dr. Johnnides' 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. Johnnides' Part D claims, 2024
- Antibiotics24%24 of 101 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: 692024: 5126%
Drugs named by CMS: 3 in 2024, 3 in 2023.
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
How Dr. Christopher G. Johnnides takes part in Medicare
Dr. Johnnides 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)
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Dr. Christopher G. Johnnides received $689 in industry payments from 2016 to 2024
CMS Open Payments shows 15 general payments to Dr. Johnnides from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. W. L. Gore & Associates, Inc. paid the most, $272.
General payments to Dr. Johnnides by program year, 2016 to 2024
Companies that paid Dr. Johnnides the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher G. Johnnides graduated from Eastern Virginia Medical School
Dr. Johnnides graduated from Eastern Virginia Medical School in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher G. Johnnides'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 DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Christopher G. Johnnides
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. Christopher G. Johnnides' NPI number?
Dr. Christopher G. Johnnides' NPI number is 1841257706. It was assigned on April 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher G. Johnnides?
Dr. Christopher G. Johnnides is a vascular surgeon in Denver, Colorado. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Christopher G. Johnnides practice?
Dr. Johnnides practices at 2045 Franklin St, Denver, CO 80205. Dr. Johnnides' primary practice is Surgery Center - Ambulatory at Franklin Medical Offices in Denver, Colorado. Dmand AI also links Dr. Johnnides to 4 medical groups and 1 group practice or clinic.
What is Dr. Christopher G. Johnnides' office phone number?
The practice phone on file for Dr. Johnnides is (303) 764-4442.
What is Dr. Christopher G. Johnnides' medical license number?
Dr. Johnnides holds Colorado license DR0046643, one of the licenses on file in 2 states.
Which states has Dr. Christopher G. Johnnides been licensed in?
Dmand AI has state licenses on file for Dr. Johnnides in Colorado and Pennsylvania.
What medical group is Dr. Christopher G. Johnnides part of?
Dr. Johnnides is linked to Colorado Permanente Medical Group. Dmand AI links Dr. Johnnides to 4 more medical groups.
Does Dr. Christopher G. Johnnides accept Medicare?
Yes. CMS data shows Dr. Johnnides billed Medicare for 23 services in 2018, and Dr. Johnnides accepts Medicare assignment.
How many Medicare patients does Dr. Christopher G. Johnnides see?
CMS counts 16 Medicare patients who saw Dr. Johnnides in 2024, with an average age of 61.
What services does Dr. Christopher G. Johnnides bill to Medicare?
In 2018, Dr. Johnnides' most billed Medicare services were ultrasound (76937) and radiation oncology (77001).
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Where did Dr. Christopher G. Johnnides go to medical school?
Dr. Johnnides graduated from Eastern Virginia Medical School in 1997.
What drugs does Dr. Christopher G. Johnnides prescribe most?
In 2024 Medicare Part D data, Dr. Johnnides' most prescribed drugs by claims were Cilostazol, Clopidogrel and Amoxicillin.
Has Dr. Christopher G. Johnnides received payments from drug or device companies?
CMS Open Payments shows $689 in general payments to Dr. Johnnides from 7 companies from 2016 to 2024. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Christopher G. Johnnides been practicing?
Dr. Johnnides graduated from medical school in 1997, 29 years ago.
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