Analgesics, OpioidOpioid-Related DisordersPain Management
Dr. Karen L. Stern, MD
NPI1932461647PAC ID2567687221
- Medicare services, 2024
- 754
- Medicare patients, 2024
- 425
- Part D claims, 2024
- 40
- Publications
- 21
- MIPS score, 2024
- 86
- Practice address
- 5777 East Mayo Boulevard, Phoenix, AZ 85054
- Practice phone
- Call (480) 342-4201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Karen L. Stern is a urologist in Phoenix, Arizona
Dr. Stern practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic.
Dr. Stern's NPI, 1932461647, was assigned on June 10, 2012. Dr. Stern graduated from University of Arizona College of Medicine in 2012. Dr. Stern holds Arizona license 49031.
NPI and contact details
- NPI
- 1932461647NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567687221
- NPI enumeration date
- June 10, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (480) 342-4201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen L. Stern practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona
Dr. Stern's primary practice is Mayo Clinic Hospital - Phoenix, at 5777 East Mayo Boulevard, Phoenix, AZ 85054 in Maricopa County. The practice phone is (480) 342-4201.
- Mayo Clinic Hospital - Phoenix5777 East Mayo Boulevard, Phoenix, AZ 85054 · Maricopa CountyPhone(480) 342-4201
Source: Dmand AI Affiliation Data
Dr. Karen L. Stern is affiliated with 1 site of care and 1 medical group
Dr. Stern's primary practice is Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic. The medical group on file is Mayo Clinic Arizona.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen L. Stern's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stern practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Hospital - Phoenix | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Karen L. Stern is one of 249 urologists in Arizona
Urology is Dr. Stern's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Stern is licensed in Arizona.
Specialties and state licenses
- Urology, ArizonaPrimary
Urologists near Dr. Stern
Counts of urologists 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. Karen L. Stern billed Medicare for 754 services in 2024
CMS data shows 754 Medicare services from Dr. Stern across 12 procedure codes in 2024, for 425 Medicare patients. Medicare paid $98,900 for them.
Medicare services, 2024754
Medicare patients425
Paid by Medicare$98,900
Procedure codes12
Dr. Stern's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3472024: 3421%
- Surgery
- 2023: 3172024: 23825%
- Imaging
- 2023: 2002024: 17413%
Where Dr. Stern's Medicare services took place, 2024
- In an office27136%
- In a facility48364%
Dr. Stern compared with the Arizona median for urologists, 2024
- Dr. Stern
- Arizona median
- Medicare services
- 754vs 2,01663% below
- Medicare patients
- 425vs 47310% below
- Part D claims
- 12vs 70598% below
Medians across 239 urologists in Arizona with Dmand AI profiles that report each measure.
Dr. Stern'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stern and other urologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen L. Stern treated 425 Medicare patients in 2024, average age 74
CMS counts 425 Medicare patients who saw Dr. Stern in 2024. The largest group is 65 to 74, with 217 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stern's median patient age at 70, with 40% women.
Medicare patients, 2024425
Average age74
Average risk score1.48
Also on Medicaid3%
Dr. Stern's Medicare patients by age, 2024
Dr. Stern's Medicare patients by sex, 2024
- Women14434%
- Men28166%
Chronic conditions among Dr. Stern's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis49%
- Chronic kidney disease41%
- Ischemic heart disease34%
- Cancer30%
- Diabetes28%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stern'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
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karen L. Stern wrote 40 Medicare Part D claims in 2024
In 2024, Dr. Stern wrote 40 Medicare Part D claims for 27 patients. 90% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $110 in total drug cost. In 2023, CMS named 29 claims across 2 drugs.
Part D claims, 202440
Drugs named by CMS1
Total drug cost$110
Part D patients27
Dr. Stern's Part D claims by kind of drug, 2024
- Generic36 claims90%
- Brand-name and other4 claims10%
Dr. Stern'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 292024: 1259%
Drugs named by CMS: 1 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. Karen L. Stern scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Stern for performance year 2024, reported as part of a group. Dr. Stern accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Stern as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Stern's MIPS scores, performance year 2024
- 86of 100Final score
- 78.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
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. Karen L. Stern has 21 publications on record
Dmand AI links 21 papers to Dr. Stern, published from 2022 to 2025. 2024 was the busiest year, with 7. The most frequent topics are Kidney Calculi, Nephrolithotomy, Percutaneous and Ureteroscopy. Dr. Stern has published most often in Urology. Dr. Stern's most frequent co-authors are Mitchell R. Humphreys, MD, Kevin Michael Wymer, MD and Gopal Lakhi Narang.
Papers21
Years published2022 to 2025
Dr. Stern's papers by year, 2022 to 2025
Topics Dr. Stern writes about most
- Kidney Calculi
- Nephrolithotomy, Percutaneous
- Ureteroscopy
- Nephrolithiasis
- Nephrostomy, Percutaneous
- Urologists
- Urology
Dr. Stern's most frequent co-authors
- Mitchell R. Humphreys, MD9 shared papers
- Kevin Michael Wymer, MD7 shared papers
- Gopal Lakhi Narang5 shared papers
Recent publications by Dr. Stern
Urology
Cost-Benefit AnalysisKidney CalculiMarkov Chains
See who Dr. Stern researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stern works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karen L. Stern received $55,192 in industry payments from 2016 to 2025
CMS Open Payments shows 113 general payments to Dr. Stern from 16 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 70% of the total. Boston Scientific Corporation paid the most, $18,526.
General payments to Dr. Stern by program year, 2016 to 2025
General payments to Dr. Stern by kind, 2016 to 2025
$55.2Kin total
- Consulting fees$38,58870%
- Speaker and faculty fees$8,32515%
- Travel and lodging$4,1247%
- Food and beverage$3,9987%
- Education$1580%
Companies that paid Dr. Stern the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen L. Stern graduated from University of Arizona College of Medicine
Dr. Stern graduated from University of Arizona College of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen L. Stern'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) |
| 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 |
| 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. Karen L. Stern
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. Karen L. Stern's NPI number?
Dr. Karen L. Stern's NPI number is 1932461647. It was assigned on June 10, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen L. Stern?
Dr. Karen L. Stern is a urologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Karen L. Stern practice?
Dr. Stern practices at 5777 East Mayo Boulevard, Phoenix, AZ 85054. Dr. Stern's primary practice is Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic.
What is Dr. Karen L. Stern's office phone number?
The practice phone on file for Dr. Stern is (480) 342-4201.
What is Dr. Karen L. Stern's medical license number?
Dr. Stern holds Arizona license 49031.
Which hospitals is Dr. Karen L. Stern affiliated with?
Dr. Stern practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona.
What medical group is Dr. Karen L. Stern part of?
Dr. Stern is linked to Mayo Clinic Arizona.
Does Dr. Karen L. Stern accept Medicare?
Yes. CMS data shows Dr. Stern billed Medicare for 754 services in 2024, and Dr. Stern accepts Medicare assignment.
Does Dr. Karen L. Stern offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Stern as offering telehealth services.
What is Dr. Karen L. Stern's MIPS score?
Dr. Stern's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Karen L. Stern see?
CMS counts 425 Medicare patients who saw Dr. Stern in 2024, with an average age of 74.
What services does Dr. Karen L. Stern bill to Medicare?
In 2024, Dr. Stern's most billed Medicare services were diagnostic imaging (74420), office visit, established patient (99214) and surgery: urinary system (52356).
Where did Dr. Karen L. Stern go to medical school?
Dr. Stern graduated from University of Arizona College of Medicine in 2012.
What drugs does Dr. Karen L. Stern prescribe most?
In 2024 Medicare Part D data, Dr. Stern's most prescribed drugs by claims were Tamsulosin HCl.
Has Dr. Karen L. Stern received payments from drug or device companies?
CMS Open Payments shows $55,192 in general payments to Dr. Stern from 16 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Karen L. Stern been practicing?
Dr. Stern graduated from medical school in 2012, 14 years ago.
Does Dr. Karen L. Stern do research?
Dmand AI links 21 publications to Dr. Stern, published from 2022 to 2025.
Who does Dr. Karen L. Stern publish with?
Dr. Stern's most frequent co-authors are Mitchell R. Humphreys, MD (9 shared papers), Kevin Michael Wymer, MD (7 shared papers) and Gopal Lakhi Narang (5 shared papers).
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