Dr. Duane D. Stephens, MD
- Medicare services, 2024
- 1,084
- Medicare patients, 2024
- 460
- Part D claims, 2024
- 1,823
- Publications
- 2
- MIPS score, 2024
- 22
- Practice address
- 2450 Ashby Avenue, Berkeley, CA 94705
- Practice phone
- Call (510) 204-4444
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Stephens' 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. Duane D. Stephens is a cardiologist in Berkeley, California
Dr. Stephens practices at Alta Bates Summit Medical Center | Alta Bates Campus in Berkeley, California, part of Sutter Health.
Dr. Stephens' NPI, 1972526044, was assigned on July 26, 2006. Dr. Stephens graduated from David Geffen School of Medicine at UCLA in 1974. Dr. Stephens holds California license G31064.
- NPI
- 1972526044NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537066162
- NPI enumeration date
- July 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 204-4444
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Duane D. Stephens practices at Alta Bates Summit Medical Center | Alta Bates Campus in Berkeley, California
Dr. Stephens' primary practice is Alta Bates Summit Medical Center | Alta Bates Campus, at 2450 Ashby Avenue, Berkeley, CA 94705 in Alameda County. The practice phone is (510) 204-4444.
- Alta Bates Summit Medical Center | Alta Bates Campus2450 Ashby Avenue, Berkeley, CA 94705 · Alameda CountyPhone(510) 204-4444
Source: Dmand AI Affiliation Data
Dr. Duane D. Stephens is affiliated with 4 sites of care and 2 medical groups
Dr. Stephens' primary practice is Alta Bates Summit Medical Center | Alta Bates Campus in Berkeley, California, part of Sutter Health. Dr. Stephens is also affiliated with Alta Bates Summit Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Stephens to 2 more group practices and clinics 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. Duane D. Stephens' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stephens practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alta Bates Summit Medical Center | Alta Bates Campus | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Duane D. Stephens is one of 2,375 cardiologists in California
Cardiovascular disease is Dr. Stephens' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Stephens is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Stephens is licensed in California.
Specialties and state licenses
- Cardiovascular disease, CaliforniaPrimary
Clinical focus
Dmand AI lists atrial fibrillation and flutter, cardiomyopathy, cerebrovascular disease, chronic hypertension, coronary artery disease, endocarditis, heart valve disorders and high cholesterol among the conditions Dr. Stephens treats.
Cardiologists near Dr. Stephens
Counts of cardiologists 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. Duane D. Stephens billed Medicare for 1,084 services in 2024
CMS data shows 1,084 Medicare services from Dr. Stephens across 16 procedure codes in 2024, for 460 Medicare patients. Medicare paid $88,785 for them.
Dr. Stephens' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,0692024: 53850%
- Office and hospital visits
- 2023: 7102024: 53425%
- Other services
- 2023: 202024: 1240%
Where Dr. Stephens' Medicare services took place, 2024
- In an office63959%
- In a facility44541%
Dr. Stephens compared with the California median for cardiologists, 2024
- Dr. Stephens
- California median
- Medicare services
- 1,084vs 1,56031% below
- Medicare patients
- 460vs 64429% below
- Part D claims
- 1,677vs 1,41019% above
Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.
Dr. Stephens' 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. Stephens?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stephens and other cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Duane D. Stephens treated 460 Medicare patients in 2024, average age 76
CMS counts 460 Medicare patients who saw Dr. Stephens in 2024. The largest group is 75 to 84, with 181 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.62, 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. Stephens' median patient age at 69, with 50% women.
Dr. Stephens' Medicare patients by age, 2024
Dr. Stephens' Medicare patients by sex, 2024
- Women21146%
- Men24954%
Chronic conditions among Dr. Stephens' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Ischemic heart disease43%
- Heart failure36%
- Atrial fibrillation35%
- Chronic kidney disease34%
- Diabetes34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stephens' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women50%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Duane D. Stephens wrote 1,823 Medicare Part D claims in 2024
In 2024, Dr. Stephens wrote 1,823 Medicare Part D claims for 281 patients. 84% of them were for generic drugs. CMS names the drug for 1,677 of them, across 35 drugs with 11 or more claims each, at $343,124 in total drug cost. In 2023, CMS named 1,738 claims across 35 drugs.
Dr. Stephens' Part D claims by kind of drug, 2024
- Generic1,537 claims84%
- Brand-name286 claims16%
Dr. Stephens' 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: 1,7382024: 1,6774%
Drugs named by CMS: 35 in 2024, 35 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. Duane D. Stephens scored 22 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 22 out of 100 for Dr. Stephens for performance year 2024, reported individually. Dr. Stephens accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Stephens' MIPS scores, performance year 2024
- 22of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 72of 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. Duane D. Stephens has 2 publications on record
Dmand AI links 2 papers to Dr. Stephens.
Recent publications by Dr. Stephens
See who Dr. Stephens researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stephens works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Duane D. Stephens received $5,263 in industry payments from 2016 to 2025
CMS Open Payments shows 223 general payments to Dr. Stephens from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $732.
General payments to Dr. Stephens by program year, 2016 to 2025
General payments to Dr. Stephens by kind, 2016 to 2025
- Food and beverage$5,246100%
- Education$170%
Companies that paid Dr. Stephens 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. Duane D. Stephens has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Stephens, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Stephens
- 2014
- Regional Top Doctor
- 2013
- CMS Stage 1 EHR
- 2012
- ACC Fellow
Source: Dmand AI Professional Profile Data
Dr. Duane D. Stephens graduated from David Geffen School of Medicine at UCLA
Dr. Stephens graduated from David Geffen School of Medicine at UCLA in 1974. Dr. Stephens is a member of ACC.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Duane D. Stephens accepts plans from 14 insurance carriers
Dr. Stephens is in network with 14 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- +6 more carriersWith a free account
Plan types Dr. Stephens accepts, by number of carriers
- Medicare10
- PPO10
- HMO7
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Duane D. Stephens'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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Duane D. Stephens
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. Duane D. Stephens' NPI number?
Dr. Duane D. Stephens' NPI number is 1972526044. It was assigned on July 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Duane D. Stephens?
Dr. Duane D. Stephens is a cardiologist in Berkeley, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Duane D. Stephens practice?
Dr. Stephens practices at 2450 Ashby Avenue, Berkeley, CA 94705. Dr. Stephens' primary practice is Alta Bates Summit Medical Center | Alta Bates Campus in Berkeley, California, part of Sutter Health. Dmand AI also links Dr. Stephens to 2 group practices and clinics and 1 medical group.
What is Dr. Duane D. Stephens' office phone number?
The practice phone on file for Dr. Stephens is (510) 204-4444.
What is Dr. Duane D. Stephens' medical license number?
Dr. Stephens holds California license G31064.
Which hospitals is Dr. Duane D. Stephens affiliated with?
Dr. Stephens practices at Alta Bates Summit Medical Center | Alta Bates Campus in Berkeley, California. Dr. Stephens is also affiliated with Alta Bates Summit Medical Center.
What medical group is Dr. Duane D. Stephens part of?
Dr. Stephens is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Stephens to 1 more medical group.
Does Dr. Duane D. Stephens accept Medicare?
Yes. CMS data shows Dr. Stephens billed Medicare for 1,084 services in 2024, and Dr. Stephens accepts Medicare assignment.
What is Dr. Duane D. Stephens' MIPS score?
Dr. Stephens' MIPS final score for performance year 2024 is 22 out of 100, reported individually.
How many Medicare patients does Dr. Duane D. Stephens see?
CMS counts 460 Medicare patients who saw Dr. Stephens in 2024, with an average age of 76.
Show 8 more questionsShow fewer questions
Is Dr. Duane D. Stephens board certified?
Yes. Dr. Stephens is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Duane D. Stephens bill to Medicare?
In 2024, Dr. Stephens' most billed Medicare services were office visit, established patient (99214), heart test or procedure (93306) and heart test or procedure (93000).
Where did Dr. Duane D. Stephens go to medical school?
Dr. Stephens graduated from David Geffen School of Medicine at UCLA in 1974.
What drugs does Dr. Duane D. Stephens prescribe most?
In 2024 Medicare Part D data, Dr. Stephens' most prescribed drugs by claims were Ezetimibe, Atorvastatin Calcium and Metoprolol Succinate.
Has Dr. Duane D. Stephens received payments from drug or device companies?
CMS Open Payments shows $5,263 in general payments to Dr. Stephens from 31 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Duane D. Stephens been practicing?
Dr. Stephens graduated from medical school in 1974, 52 years ago.
Does Dr. Duane D. Stephens do research?
Dmand AI links 2 publications to Dr. Stephens.
What insurance does Dr. Duane D. Stephens accept?
Dr. Stephens is in network with 14 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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