Air AmbulancesAirway ObstructionCalifornia
Dr. Robert M. Duchynski, MD
NPI1538243522
- Medicare services, 2023
- 11
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 262
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 401 Bicentennial Way, Santa Rosa, CA 95403
- Practice phone
- Call (707) 571-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Duchynski's 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. Robert M. Duchynski is an emergency medicine physician in Santa Rosa, California
Dr. Duchynski practices at Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
Dr. Duchynski's NPI, 1538243522, was assigned on October 25, 2006. Dr. Duchynski graduated from UC San Diego School of Medicine in 1995. Dr. Duchynski holds California license A64892.
NPI and contact details
- NPI
- 1538243522NPI Registry (opens in a new tab)
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Practice phone
- (707) 571-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert M. Duchynski practices at Santa Rosa Medical Center in Santa Rosa, California
Dr. Duchynski's primary practice is Santa Rosa Medical Center, at 401 Bicentennial Way, Santa Rosa, CA 95403 in Sonoma County. The practice phone is (707) 571-4000.
- Santa Rosa Medical Center401 Bicentennial Way, Santa Rosa, CA 95403 · Sonoma CountyPhone(707) 571-4000
Source: Dmand AI Affiliation Data
Dr. Robert M. Duchynski is affiliated with 1 site of care and 1 medical group
Dr. Duchynski's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert M. Duchynski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duchynski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Rosa Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Duchynski practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert M. Duchynski is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Duchynski's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Duchynski is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Duchynski is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Duchynski
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
7,423emergency medicine physicians in California76emergency medicine physicians in Santa Rosa39emergency medicine physicians at Santa Rosa Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert M. Duchynski billed Medicare for 11 services in 2023
CMS data shows 11 Medicare services from Dr. Duchynski across 1 procedure code in 2023, for 17 Medicare patients. Medicare paid $522 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202311
Medicare patients17
Paid by Medicare$522
Procedure codes1
Dr. Duchynski's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 172023: 1135%
Dr. Duchynski compared with the California median for emergency medicine physicians, 2023
- Dr. Duchynski
- California median
- Medicare services
- 11vs 26596% below
- Medicare patients
- 17vs 24393% below
- Part D claims
- 90vs 6245% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Duchynski's 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. Duchynski?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duchynski and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert M. Duchynski treated 17 Medicare patients in 2024, average age 62
CMS counts 17 Medicare patients who saw Dr. Duchynski in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.74, 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. Duchynski's median patient age at 83, with 100% women.
Medicare patients, 202417
Average age62
Average risk score1.74
Dr. Duchynski's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Duchynski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert M. Duchynski wrote 262 Medicare Part D claims in 2024
In 2024, Dr. Duchynski wrote 262 Medicare Part D claims for 169 patients. 92% of them were for generic drugs. CMS names the drug for 90 of them, across 4 drugs with 11 or more claims each, at $895 in total drug cost. In 2023, CMS named 177 claims across 9 drugs.
Part D claims, 2024262
Drugs named by CMS4
Total drug cost$895
Part D patients169
Dr. Duchynski's Part D claims by kind of drug, 2024
- Generic241 claims92%
- Brand-name21 claims8%
Dr. Duchynski'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. Duchynski's Part D claims, 2024
- Opioids16%42 of 262 claims
- Antibiotics25%65 of 262 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: 1772024: 9049%
Drugs named by CMS: 4 in 2024, 9 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
For MedTech and pharma teams
Find emergency medicine physicians like Dr. Duchynski 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. Robert M. Duchynski has 2 publications on record
Dmand AI links 2 papers to Dr. Duchynski.
Papers2
Recent publications by Dr. Duchynski
Continuous Positive Airway PressureHeadachePneumocephalus
See who Dr. Duchynski researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Duchynski works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert M. Duchynski graduated from UC San Diego School of Medicine
Dr. Duchynski graduated from UC San Diego School of Medicine in 1995.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert M. Duchynski'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Robert M. Duchynski
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. Robert M. Duchynski's NPI number?
Dr. Robert M. Duchynski's NPI number is 1538243522. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert M. Duchynski?
Dr. Robert M. Duchynski is an emergency medicine physician in Santa Rosa, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert M. Duchynski practice?
Dr. Duchynski practices at 401 Bicentennial Way, Santa Rosa, CA 95403. Dr. Duchynski's primary practice is Santa Rosa Medical Center in Santa Rosa, California, part of Kaiser Permanente.
What is Dr. Robert M. Duchynski's office phone number?
The practice phone on file for Dr. Duchynski is (707) 571-4000.
What is Dr. Robert M. Duchynski's medical license number?
Dr. Duchynski holds California license A64892.
Which hospitals is Dr. Robert M. Duchynski affiliated with?
Dr. Duchynski practices at Santa Rosa Medical Center in Santa Rosa, California.
What medical group is Dr. Robert M. Duchynski part of?
Dr. Duchynski is linked to The Permanente Medical Group, Inc.
Does Dr. Robert M. Duchynski accept Medicare?
Yes. CMS data shows Dr. Duchynski billed Medicare for 11 services in 2023.
How many Medicare patients does Dr. Robert M. Duchynski see?
CMS counts 17 Medicare patients who saw Dr. Duchynski in 2024, with an average age of 62.
Is Dr. Robert M. Duchynski board certified?
Yes. Dr. Duchynski is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Robert M. Duchynski bill to Medicare?
In 2023, Dr. Duchynski's most billed Medicare services were emergency department visit (99283).
Where did Dr. Robert M. Duchynski go to medical school?
Dr. Duchynski graduated from UC San Diego School of Medicine in 1995.
What drugs does Dr. Robert M. Duchynski prescribe most?
In 2024 Medicare Part D data, Dr. Duchynski's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron ODT and Prednisone.
How long has Dr. Robert M. Duchynski been practicing?
Dr. Duchynski graduated from medical school in 1995, 31 years ago.
Does Dr. Robert M. Duchynski do research?
Dmand AI links 2 publications to Dr. Duchynski.
Selling to emergency medicine practices?
See emergency medicine physicians in California 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