Dr. Darwin Cortina Viernes, MD
- Medicare services, 2024
- 26
- Medicare patients, 2024
- 103
- MIPS score, 2024
- 94
- Hospital affiliations
- 2
- Industry payments
- $12
- Practice address
- 510 8th Avenue Ne Suite 100, Issaquah, WA 98029
- Practice phone
- Call (425) 507-0800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Proliance Highlands Surgery Center
Surgery Center - Medicare-Certified · Issaquah, Washington
Find Dr. Viernes' professional email, personal email and mobile number
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Dr. Darwin Cortina Viernes is an anesthesiologist in Issaquah, Washington
Dr. Viernes practices at Proliance Highlands Surgery Center in Issaquah, Washington.
Dr. Viernes' NPI, 1699968552, was assigned on August 23, 2007. Dr. Viernes holds Washington license MD60171768.
- NPI
- 1699968552NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486823739
- NPI enumeration date
- August 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (425) 507-0800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Darwin Cortina Viernes practices at Proliance Highlands Surgery Center in Issaquah, Washington
Dr. Viernes' primary practice is Proliance Highlands Surgery Center, at 510 8th Avenue Ne Suite 100, Issaquah, WA 98029. The practice phone is (425) 507-0800.
- Proliance Highlands Surgery Center510 8th Avenue Ne Suite 100, Issaquah, WA 98029Phone(425) 507-0800
Source: Dmand AI Affiliation Data
Dr. Darwin Cortina Viernes is affiliated with 3 sites of care and 2 medical groups
Dr. Viernes' primary practice is Proliance Highlands Surgery Center in Issaquah, Washington. Dr. Viernes is also affiliated with Harborview Medical Center. The medical group on file is UW Physicians. Dmand AI also links Dr. Viernes to 1 more hospital and 1 medical group, 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. Darwin Cortina Viernes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Viernes practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Proliance Highlands Surgery Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Darwin Cortina Viernes is one of 1,332 anesthesiologists in Washington
Anesthesiology is Dr. Viernes' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Viernes is licensed in Washington.
Specialties and state licenses
- Anesthesiology, WashingtonPrimary
Anesthesiologists near Dr. Viernes
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. Darwin Cortina Viernes billed Medicare for 26 services in 2024
CMS data shows 26 Medicare services from Dr. Viernes across 1 procedure code in 2024, for 103 Medicare patients. Medicare paid $1,495 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Viernes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 252024: 264%
- Anesthesia
- 2023: 142024: 0100%
Dr. Viernes compared with the Washington median for anesthesiologists, 2024
- Dr. Viernes
- Washington median
- Medicare services
- 26vs 4137% below
- Medicare patients
- 103vs 107Close to median
Medians across 1,312 anesthesiologists in Washington with Dmand AI profiles that report each measure.
Dr. Viernes' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Viernes and other anesthesiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Darwin Cortina Viernes treated 103 Medicare patients in 2024, average age 74
CMS counts 103 Medicare patients who saw Dr. Viernes in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Viernes' median patient age at 67, with 59% women.
Dr. Viernes' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Viernes' Medicare patients by sex, 2024
- Women5755%
- Men4645%
Chronic conditions among Dr. Viernes' Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure68%
- Anxiety27%
- Mood disorders26%
- Depression24%
- Diabetes21%
- Ischemic heart disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Viernes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Darwin Cortina Viernes scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Viernes for performance year 2024, reported through an alternative payment model (APM). Dr. Viernes accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Viernes' MIPS scores, performance year 2024
- 94of 100Final score
- 74.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Darwin Cortina Viernes received $12 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Viernes from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Mylan Inc. paid the most, $12.
Companies that paid Dr. Viernes the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Darwin Cortina Viernes'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Darwin Cortina Viernes
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. Darwin Cortina Viernes' NPI number?
Dr. Darwin Cortina Viernes' NPI number is 1699968552. It was assigned on August 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Darwin Cortina Viernes?
Dr. Darwin Cortina Viernes is an anesthesiologist in Issaquah, Washington. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Darwin Cortina Viernes practice?
Dr. Viernes practices at 510 8th Avenue Ne Suite 100, Issaquah, WA 98029. Dr. Viernes' primary practice is Proliance Highlands Surgery Center in Issaquah, Washington. Dmand AI also links Dr. Viernes to 1 hospital and 1 medical group.
What is Dr. Darwin Cortina Viernes' office phone number?
The practice phone on file for Dr. Viernes is (425) 507-0800.
What is Dr. Darwin Cortina Viernes' medical license number?
Dr. Viernes holds Washington license MD60171768.
Which hospitals is Dr. Darwin Cortina Viernes affiliated with?
Dr. Viernes is affiliated with Harborview Medical Center. Dmand AI links Dr. Viernes to 1 more hospital.
What medical group is Dr. Darwin Cortina Viernes part of?
Dr. Viernes is linked to UW Physicians. Dmand AI links Dr. Viernes to 1 more medical group.
Does Dr. Darwin Cortina Viernes accept Medicare?
Yes. CMS data shows Dr. Viernes billed Medicare for 26 services in 2024, and Dr. Viernes accepts Medicare assignment.
What is Dr. Darwin Cortina Viernes' MIPS score?
Dr. Viernes' MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Darwin Cortina Viernes see?
CMS counts 103 Medicare patients who saw Dr. Viernes in 2024, with an average age of 74.
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What services does Dr. Darwin Cortina Viernes bill to Medicare?
In 2024, Dr. Viernes' most billed Medicare services were surgery: brain, spine and nerves (64448).
Has Dr. Darwin Cortina Viernes received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Viernes from 1 company from 2016 to 2016. The largest total came from Mylan Inc.
How long has Dr. Darwin Cortina Viernes been practicing?
Dr. Viernes graduated from medical school in 2007, 19 years ago.
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