Dr. Jeffery Ryan Viken, MD
- Medicare services, 2024
- 135
- Medicare patients, 2024
- 258
- Hospital affiliations
- 2
- Industry payments
- $133
- Medical groups
- 2
- Practice address
- 100 Hospital Road, Prince Frederick, MD 20678
- Practice phone
- Call (410) 535-8240
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Viken's professional email, personal email and mobile number
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Dr. Jeffery Ryan Viken is an anesthesiologist in Prince Frederick, Maryland
Dr. Viken practices at CalvertHealth Medical Center in Prince Frederick, Maryland, part of CalvertHealth.
Dr. Viken's NPI, 1619085198, was assigned on August 26, 2006. Dr. Viken graduated from Baylor College of Medicine in 2002. Dr. Viken holds Maryland license D64467.
- NPI
- 1619085198NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779585419
- NPI enumeration date
- August 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 535-8240
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffery Ryan Viken practices at CalvertHealth Medical Center in Prince Frederick, Maryland
Dr. Viken's primary practice is CalvertHealth Medical Center, at 100 Hospital Road, Prince Frederick, MD 20678 in Calvert County. The practice phone is (410) 535-8240.
- CalvertHealth Medical Center100 Hospital Road, Prince Frederick, MD 20678 · Calvert CountyPhone(410) 535-8240
Source: Dmand AI Affiliation Data
Dr. Jeffery Ryan Viken is affiliated with 2 sites of care and 2 medical groups
Dr. Viken's primary practice is CalvertHealth Medical Center in Prince Frederick, Maryland, part of CalvertHealth. Dr. Viken is also affiliated with Luminis Health Anne Arundel Medical Center. The medical group on file is Luminis Health Maternal and Fetal Medicine Annapolis. Dmand AI also links Dr. Viken to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffery Ryan Viken's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Viken practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CalvertHealth Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffery Ryan Viken is one of 965 anesthesiologists in Maryland
Anesthesiology is Dr. Viken's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Viken is licensed in Maryland.
Specialties and state licenses
- Anesthesiology, MarylandPrimary
Anesthesiologists near Dr. Viken
Counts of anesthesiologists 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. Jeffery Ryan Viken billed Medicare for 135 services in 2024
CMS data shows 135 Medicare services from Dr. Viken across 5 procedure codes in 2024, for 258 Medicare patients. Medicare paid $13,610 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Viken's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 2712024: 13550%
- Surgery
- 2023: 162024: 0100%
Dr. Viken compared with the Maryland median for anesthesiologists, 2024
- Dr. Viken
- Maryland median
- Medicare services
- 135vs 10134% above
- Medicare patients
- 258vs 17647% above
Medians across 918 anesthesiologists in Maryland with Dmand AI profiles that report each measure.
Dr. Viken'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.
Need commercial claims for Dr. Viken?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Viken and other anesthesiologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffery Ryan Viken treated 258 Medicare patients in 2024, average age 74
CMS counts 258 Medicare patients who saw Dr. Viken in 2024. The largest group is 65 to 74, with 134 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Viken's median patient age at 56, with 60% women.
Dr. Viken's Medicare patients by age, 2024
Dr. Viken's Medicare patients by sex, 2024
- Women12247%
- Men13653%
Chronic conditions among Dr. Viken's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes36%
- Ischemic heart disease29%
- Chronic kidney disease26%
- Mood disorders24%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Viken's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Jeffery Ryan Viken takes part in Medicare
Dr. Viken 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. Jeffery Ryan Viken received $133 in industry payments from 2019 to 2024
CMS Open Payments shows 6 general payments to Dr. Viken from 6 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $30.
General payments to Dr. Viken by program year, 2019 to 2024
Companies that paid Dr. Viken the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffery Ryan Viken graduated from Baylor College of Medicine
Dr. Viken graduated from Baylor College of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffery Ryan Viken'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) |
| 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. Jeffery Ryan Viken
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. Jeffery Ryan Viken's NPI number?
Dr. Jeffery Ryan Viken's NPI number is 1619085198. It was assigned on August 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffery Ryan Viken?
Dr. Jeffery Ryan Viken is an anesthesiologist in Prince Frederick, Maryland. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jeffery Ryan Viken practice?
Dr. Viken practices at 100 Hospital Road, Prince Frederick, MD 20678. Dr. Viken's primary practice is CalvertHealth Medical Center in Prince Frederick, Maryland, part of CalvertHealth. Dmand AI also links Dr. Viken to 1 medical group.
What is Dr. Jeffery Ryan Viken's office phone number?
The practice phone on file for Dr. Viken is (410) 535-8240.
What is Dr. Jeffery Ryan Viken's medical license number?
Dr. Viken holds Maryland license D64467.
Which hospitals is Dr. Jeffery Ryan Viken affiliated with?
Dr. Viken practices at CalvertHealth Medical Center in Prince Frederick, Maryland. Dr. Viken is also affiliated with Luminis Health Anne Arundel Medical Center.
What medical group is Dr. Jeffery Ryan Viken part of?
Dr. Viken is linked to Luminis Health Maternal and Fetal Medicine Annapolis. Dmand AI links Dr. Viken to 1 more medical group.
Does Dr. Jeffery Ryan Viken accept Medicare?
Yes. CMS data shows Dr. Viken billed Medicare for 135 services in 2024, and Dr. Viken accepts Medicare assignment.
How many Medicare patients does Dr. Jeffery Ryan Viken see?
CMS counts 258 Medicare patients who saw Dr. Viken in 2024, with an average age of 74.
What services does Dr. Jeffery Ryan Viken bill to Medicare?
In 2024, Dr. Viken's most billed Medicare services were anesthesia (00812), anesthesia (00731) and anesthesia (00910).
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Where did Dr. Jeffery Ryan Viken go to medical school?
Dr. Viken graduated from Baylor College of Medicine in 2002.
Has Dr. Jeffery Ryan Viken received payments from drug or device companies?
CMS Open Payments shows $133 in general payments to Dr. Viken from 6 companies from 2019 to 2024. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Jeffery Ryan Viken been practicing?
Dr. Viken graduated from medical school in 2002, 24 years ago.
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