Arthroplasty, ReplacementJoint ProsthesisMacrophages
Dr. Shay Ivan Warren, MD
NPI1881190668PAC ID0941674162
- Medicare services, 2024
- 642
- Medicare patients, 2024
- 139
- Part D claims, 2024
- 186
- Publications
- 16
- MIPS score, 2024
- 91
- Practice address
- 1600 Medical Parkway, Carson City, NV 89703
- Practice phone
- Call (775) 445-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Warren'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. Shay Ivan Warren is an adult reconstructive orthopaedic surgery physician in Carson City, Nevada
Dr. Warren practices at Carson Tahoe Regional Medical Center in Carson City, Nevada, part of Carson Tahoe Health.
Dr. Warren's NPI, 1881190668, was assigned on April 2, 2018. Dr. Warren graduated from Vagelos College of Physicians and Surgeons in 2018. Dr. Warren holds Nevada license 25354.
NPI and contact details
- NPI
- 1881190668NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941674162
- NPI enumeration date
- April 2, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (775) 445-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shay Ivan Warren practices at Carson Tahoe Regional Medical Center in Carson City, Nevada
Dr. Warren's primary practice is Carson Tahoe Regional Medical Center, at 1600 Medical Parkway, Carson City, NV 89703 in Carson City. The practice phone is (775) 445-8000.
- Carson Tahoe Regional Medical Center1600 Medical Parkway, Carson City, NV 89703 · Carson CityPhone(775) 445-8000
Source: Dmand AI Affiliation Data
Dr. Shay Ivan Warren is affiliated with 8 sites of care and 3 medical groups
Dr. Warren's primary practice is Carson Tahoe Regional Medical Center in Carson City, Nevada, part of Carson Tahoe Health. Dr. Warren is also affiliated with Renown Regional Medical Center. The medical group on file is Reno Orthopedic Center. Dmand AI also links Dr. Warren to 4 more hospitals, 2 medical groups, 1 home health agency and 1 ambulatory surgery center, each named with a free account.
Renown Regional Medical CenterReno Orthopedic Center4 hospitalsNames with a free account2 medical groupsNames with a free account1 home health agencyName with a free account1 ambulatory surgery centerName with a free account
See all 11 affiliations for Dr. WarrenSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shay Ivan Warren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warren practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carson Tahoe Regional Medical Center | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shay Ivan Warren is one of 15 adult reconstructive orthopaedic surgery physicians in Nevada
Adult reconstructive orthopaedic surgery is Dr. Warren's primary specialty in the NPI Registry, under taxonomy code 207XS0114X. Dmand AI has Dr. Warren's licenses on file in 3 states: Nevada, New York and California.
Specialties and state licenses
- Adult reconstructive orthopaedic surgery, NevadaPrimary
- New York license
- California license
Adult reconstructive orthopaedic surgery physicians near Dr. Warren
Counts of adult reconstructive orthopaedic surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
15adult reconstructive orthopaedic surgery physicians in Nevada
2adult reconstructive orthopaedic surgery physicians in Carson City
2adult reconstructive orthopaedic surgery physicians at Carson Tahoe Regional Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Shay Ivan Warren billed Medicare for 642 services in 2024
CMS data shows 642 Medicare services from Dr. Warren across 9 procedure codes in 2024, for 139 Medicare patients. Medicare paid $15,931 for them.
Medicare services, 2024642
Medicare patients139
Paid by Medicare$15,931
Procedure codes9
Dr. Warren's Medicare services by type, 2024
- Drugs given in the office336
- Office and hospital visits136
- Imaging114
- Surgery56
Where Dr. Warren's Medicare services took place, 2024
- In an office63098%
- In a facility122%
Dr. Warren compared with the Nevada median for adult reconstructive orthopaedic surgery physicians, 2024
- Dr. Warren
- Nevada median
- Medicare services
- 642vs 1,43455% below
- Medicare patients
- 139vs 43168% below
- Part D claims
- 155vs 31451% below
Medians across 15 adult reconstructive orthopaedic surgery physicians in Nevada with Dmand AI profiles that report each measure.
Dr. Warren'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. Warren?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warren and other adult reconstructive orthopaedic surgery physicians in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shay Ivan Warren treated 139 Medicare patients in 2024, average age 75
CMS counts 139 Medicare patients who saw Dr. Warren in 2024. The largest group is 65 to 74, with 68 patients. 71% of them have arthritis, and 71% have high cholesterol. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Warren's median patient age at 70, with 56% women.
Medicare patients, 2024139
Average age75
Average risk score1.09
Dr. Warren's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Warren's Medicare patients by sex, 2024
- Women8561%
- Men5439%
Chronic conditions among Dr. Warren's Medicare patients, 2024
- Arthritis71%
- High cholesterol71%
- High blood pressure68%
- Ischemic heart disease23%
- Diabetes19%
- Mood disorders19%
- Atrial fibrillation18%
- Osteoporosis18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Warren's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shay Ivan Warren wrote 186 Medicare Part D claims in 2024
In 2024, Dr. Warren wrote 186 Medicare Part D claims for 96 patients. 99% of them were for generic drugs. CMS names the drug for 155 of them, across 4 drugs with 11 or more claims each, at $1,062 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Part D claims, 2024186
Drugs named by CMS4
Total drug cost$1,062
Part D patients96
Dr. Warren's Part D claims by kind of drug, 2024
- Generic184 claims99%
- Brand-name and other2 claims1%
Dr. Warren'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. Warren's Part D claims, 2024
- Opioids16%29 of 186 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: 242024: 155546%
Drugs named by CMS: 4 in 2024, 2 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
Dr. Shay Ivan Warren scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Warren for performance year 2024, reported through an alternative payment model (APM). Dr. Warren accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 73 procedures of hip replacement by Dr. Warren, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Warren's MIPS scores, performance year 2024
- 91of 100Final score
- 81.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Warren ranks in Medicare procedure volume
- Hip replacement
- 94th percentile73 procedures
- Knee replacement
- 85th percentile66 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Shay Ivan Warren has 16 publications on record
Dmand AI links 16 papers to Dr. Warren, published from 2017 to 2024. 2020 was the busiest year, with 2. The most frequent topics are Reoperation, Arthroplasty, Replacement, Hip and Postoperative Complications. Dr. Warren has published most often in J Arthroplasty. Dr. Warren's most frequent co-authors are Derek Fakhredean Amanatullah, MD, Ivan Cheng, MD and Benjamin David Roye, MD.
Papers16
Years published2017 to 2024
Dr. Warren's papers by year, 2017 to 2024
Topics Dr. Warren writes about most
- Reoperation
- Arthroplasty, Replacement, Hip
- Postoperative Complications
- Prosthesis-Related Infections
- Arthroplasty, Replacement, Knee
- B7-H1 Antigen
- Programmed Cell Death 1 Receptor
- Spinal Fusion
Dr. Warren's most frequent co-authors
- Derek Fakhredean Amanatullah, MD3 shared papers
- Ivan Cheng, MD3 shared papers
- Benjamin David Roye, MD3 shared papers
Recent publications by Dr. Warren
Arthritis, JuvenileArthroplasty, Replacement, HipHip Joint
J Arthroplasty
Arthroplasty, Replacement, HipArthroplasty, Replacement, KneeComorbidity
Arthritis, InfectiousArthroplasty, Replacement, HipB7-H1 Antigen
See who Dr. Warren researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Warren works with, so you can find a warm path to the right adult reconstructive orthopaedic surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Shay Ivan Warren received $22,507 in industry payments from 2020 to 2025
CMS Open Payments shows 52 general payments to Dr. Warren from 5 drug and device companies from 2020 to 2025. Education make up the largest share, 44% of the total. Smith & Nephew, Inc. paid the most, $15,443.
General payments to Dr. Warren by program year, 2020 to 2025
General payments to Dr. Warren by kind, 2020 to 2025
$22.5Kin total
- Education$9,91244%
- Grants$5,83326%
- Food and beverage$3,46115%
- Travel and lodging$3,30115%
Companies that paid Dr. Warren the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Shay Ivan Warren graduated from Vagelos College of Physicians and Surgeons
Dr. Warren graduated from Vagelos College of Physicians and Surgeons in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Shay Ivan Warren accepts plans from 13 insurance carriers
Dr. Warren is in network with 13 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- +5 more carriersWith a free account
Plan types Dr. Warren accepts, by number of carriers
- PPO8
- Medicare7
- HMO5
- POS5
- EPO3
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Shay Ivan Warren'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Shay Ivan Warren
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. Shay Ivan Warren's NPI number?
Dr. Shay Ivan Warren's NPI number is 1881190668. It was assigned on April 2, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Shay Ivan Warren?
Dr. Shay Ivan Warren is an adult reconstructive orthopaedic surgery physician in Carson City, Nevada. The primary specialty in the NPI Registry is Adult Reconstructive Orthopaedic Surgery Physician (taxonomy code 207XS0114X).
Where does Dr. Shay Ivan Warren practice?
Dr. Warren practices at 1600 Medical Parkway, Carson City, NV 89703. Dr. Warren's primary practice is Carson Tahoe Regional Medical Center in Carson City, Nevada, part of Carson Tahoe Health. Dmand AI also links Dr. Warren to 4 hospitals, 2 medical groups, 1 home health agency and 1 ambulatory surgery center.
What is Dr. Shay Ivan Warren's office phone number?
The practice phone on file for Dr. Warren is (775) 445-8000.
What is Dr. Shay Ivan Warren's medical license number?
Dr. Warren holds Nevada license 25354, one of the licenses on file in 3 states.
Which states has Dr. Shay Ivan Warren been licensed in?
Dmand AI has state licenses on file for Dr. Warren in Nevada (2024 to 2027), New York (2023 to 2025) and California (2019 to 2023).
Which hospitals is Dr. Shay Ivan Warren affiliated with?
Dr. Warren practices at Carson Tahoe Regional Medical Center in Carson City, Nevada. Dr. Warren is also affiliated with Renown Regional Medical Center. Dmand AI links Dr. Warren to 4 more hospitals.
What medical group is Dr. Shay Ivan Warren part of?
Dr. Warren is linked to Reno Orthopedic Center. Dmand AI links Dr. Warren to 2 more medical groups.
Does Dr. Shay Ivan Warren accept Medicare?
Yes. CMS data shows Dr. Warren billed Medicare for 642 services in 2024, and Dr. Warren accepts Medicare assignment.
What is Dr. Shay Ivan Warren's MIPS score?
Dr. Warren's MIPS final score for performance year 2024 is 91 out of 100, reported through an alternative payment model (APM).
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Shay Ivan Warren see?
CMS counts 139 Medicare patients who saw Dr. Warren in 2024, with an average age of 75.
What services does Dr. Shay Ivan Warren bill to Medicare?
In 2024, Dr. Warren's most billed Medicare services were injected or infused drug (J3301), diagnostic imaging (73564) and office visit, new patient (99203).
Where did Dr. Shay Ivan Warren go to medical school?
Dr. Warren graduated from Vagelos College of Physicians and Surgeons in 2018.
What drugs does Dr. Shay Ivan Warren prescribe most?
In 2024 Medicare Part D data, Dr. Warren's most prescribed drugs by claims were Meloxicam, Celecoxib and Oxycodone HCl.
Has Dr. Shay Ivan Warren received payments from drug or device companies?
CMS Open Payments shows $22,507 in general payments to Dr. Warren from 5 companies from 2020 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Shay Ivan Warren been practicing?
Dr. Warren graduated from medical school in 2018, 8 years ago.
Does Dr. Shay Ivan Warren do research?
Dmand AI links 16 publications to Dr. Warren, published from 2017 to 2024.
Who does Dr. Shay Ivan Warren publish with?
Dr. Warren's most frequent co-authors are Derek Fakhredean Amanatullah, MD (3 shared papers), Ivan Cheng, MD (3 shared papers) and Benjamin David Roye, MD (3 shared papers).
What insurance does Dr. Shay Ivan Warren accept?
Dr. Warren is in network with 13 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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