Dr. Adriena Helena Kajdos, MD
- Medicare services, 2023
- 131
- Part D claims, 2021
- 145
- Hospital affiliations
- 1
- Industry payments
- $124
- Medical group
- 1
- Practice address
- 2700 Dolbeer St, Eureka, CA 95501
- Practice phone
- Call (707) 445-8121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kajdos' 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.
Dr. Adriena Helena Kajdos is a gastroenterologist in Eureka, California
Dr. Kajdos practices at Providence St. Joseph Hospital Eureka in Eureka, California, part of Providence Health & Services.
Dr. Kajdos' NPI, 1699725325, was assigned on May 11, 2006. Dr. Kajdos graduated from University Karlovy, Lek Fak Ii in 1977. Dr. Kajdos' California license number on file is A41257.
- NPI
- 1699725325NPI Registry (opens in a new tab)
- NPI enumeration date
- May 11, 2006
- NPI status
- Active
- Practice phone
- (707) 445-8121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Adriena Helena Kajdos practices at Providence St. Joseph Hospital Eureka in Eureka, California
Dr. Kajdos' primary practice is Providence St. Joseph Hospital Eureka, at 2700 Dolbeer St, Eureka, CA 95501 in Humboldt County. The practice phone is (707) 445-8121.
- Providence St. Joseph Hospital Eureka2700 Dolbeer St, Eureka, CA 95501 · Humboldt CountyPhone(707) 445-8121
Source: Dmand AI Affiliation Data
Dr. Adriena Helena Kajdos is affiliated with 2 sites of care and 1 medical group
Dr. Kajdos' primary practice is Providence St. Joseph Hospital Eureka in Eureka, California, part of Providence Health & Services. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Kajdos to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Adriena Helena Kajdos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kajdos practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Joseph Hospital Eureka | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Providence Health & Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Adriena Helena Kajdos is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Kajdos' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Kajdos is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Kajdos' licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- Illinois license
Clinical focus
Dmand AI lists acid reflux, chronic indigestion, chronic inflammatory bowel disease (IBD), colonoscopy, gastrointestinal bleeding, hemorrhoids, intestinal diverticulosis and upper GI endoscopy among the conditions Dr. Kajdos treats.
Gastroenterologists near Dr. Kajdos
Counts of gastroenterologists 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. Adriena Helena Kajdos billed Medicare for 131 services in 2023
CMS data shows 131 Medicare services from Dr. Kajdos across 6 procedure codes in 2023. Medicare paid $15,334 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kajdos' Medicare services by type, 2021 to 2023
- 2021
- 2023
- Surgery
- 2021: 1652023: 8250%
- Office and hospital visits
- 2021: 1142023: 4957%
- Other services
- 2021: 782023: 0100%
Dr. Kajdos compared with the California median for gastroenterologists, 2023
- Dr. Kajdos
- California median
- Medicare services
- 131vs 58678% below
- Part D claims
- 145vs 38062% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Kajdos' 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.
Need commercial claims for Dr. Kajdos?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kajdos and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Adriena Helena Kajdos' patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Kajdos' median patient age at 71, with 52% women.
Dr. Kajdos' 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
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Adriena Helena Kajdos wrote 145 Medicare Part D claims in 2021
In 2021, Dr. Kajdos wrote 145 Medicare Part D claims. They cover 8 drugs, with $14,600 in total drug cost. In 2020, CMS named 315 claims across 12 drugs.
Dr. Kajdos' most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 3152021: 14554%
Drugs named by CMS: 8 in 2021, 12 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Adriena Helena Kajdos received $124 in industry payments from 2016 to 2024
CMS Open Payments shows 9 general payments to Dr. Kajdos from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $51.
General payments to Dr. Kajdos by program year, 2016 to 2024
Companies that paid Dr. Kajdos 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. Adriena Helena Kajdos has 1 award and honors on record
Dmand AI lists 1 award for Dr. Kajdos, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Kajdos
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Adriena Helena Kajdos graduated from University Karlovy, Lek Fak Ii
Dr. Kajdos graduated from University Karlovy, Lek Fak Ii in 1977.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Adriena Helena Kajdos'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Adriena Helena Kajdos
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. Adriena Helena Kajdos' NPI number?
Dr. Adriena Helena Kajdos' NPI number is 1699725325. It was assigned on May 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Adriena Helena Kajdos?
Dr. Adriena Helena Kajdos is a gastroenterologist in Eureka, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Adriena Helena Kajdos practice?
Dr. Kajdos practices at 2700 Dolbeer St, Eureka, CA 95501. Dr. Kajdos' primary practice is Providence St. Joseph Hospital Eureka in Eureka, California, part of Providence Health & Services. Dmand AI also links Dr. Kajdos to 1 group practice or clinic.
What is Dr. Adriena Helena Kajdos' office phone number?
The practice phone on file for Dr. Kajdos is (707) 445-8121.
What is Dr. Adriena Helena Kajdos' medical license number?
Dr. Kajdos' California license number on file is A41257, one of the licenses on file in 2 states.
Which states has Dr. Adriena Helena Kajdos been licensed in?
Dmand AI has state licenses on file for Dr. Kajdos in California (1984 to 2025) and Illinois (1981 to 1987).
Which hospitals is Dr. Adriena Helena Kajdos affiliated with?
Dr. Kajdos practices at Providence St. Joseph Hospital Eureka in Eureka, California.
What medical group is Dr. Adriena Helena Kajdos part of?
Dr. Kajdos is linked to St. Jude Heritage Medical Group.
Does Dr. Adriena Helena Kajdos accept Medicare?
Yes. CMS data shows Dr. Kajdos billed Medicare for 131 services in 2023.
Is Dr. Adriena Helena Kajdos board certified?
Yes. Dr. Kajdos is board certified in gastroenterology by the American Board of Internal Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Adriena Helena Kajdos bill to Medicare?
In 2023, Dr. Kajdos' most billed Medicare services were surgery: digestive system (45380), hospital inpatient care (99223) and surgery: digestive system (43239).
Where did Dr. Adriena Helena Kajdos go to medical school?
Dr. Kajdos graduated from University Karlovy, Lek Fak Ii in 1977.
What drugs does Dr. Adriena Helena Kajdos prescribe most?
In 2021 Medicare Part D data, Dr. Kajdos' most prescribed drugs by claims were Peg 3350-Electrolyte, Mesalamine and Suprep.
Has Dr. Adriena Helena Kajdos received payments from drug or device companies?
CMS Open Payments shows $124 in general payments to Dr. Kajdos from 5 companies from 2016 to 2024. The largest total came from Amgen Inc.
How long has Dr. Adriena Helena Kajdos been practicing?
Dr. Kajdos graduated from medical school in 1977, 49 years ago.
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