Dr. Alexander Ronald Evens, DO
- Medicare services, 2024
- 1,847
- Medicare patients, 2024
- 366
- Part D claims, 2024
- 493
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- Practice address
- 250 Bon Air Road, Greenbrae, CA 94904
- Practice phone
- Call (415) 925-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Evens' professional email, personal email and mobile number
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Dr. Alexander Ronald Evens is an infectious disease specialist in Greenbrae, California
Dr. Evens practices at MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District.
Dr. Evens' NPI, 1114144649, was assigned on April 19, 2007. Dr. Evens graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2004. Dr. Evens holds California license 20A9461.
- NPI
- 1114144649NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628100096
- NPI enumeration date
- April 19, 2007
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (415) 925-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander Ronald Evens practices at MarinHealth Medical Center in Greenbrae, California
Dr. Evens' primary practice is MarinHealth Medical Center, at 250 Bon Air Road, Greenbrae, CA 94904 in Marin County. The practice phone is (415) 925-7900.
- MarinHealth Medical Center250 Bon Air Road, Greenbrae, CA 94904 · Marin CountyPhone(415) 925-7900
Source: Dmand AI Affiliation Data
Dr. Alexander Ronald Evens is affiliated with 3 sites of care and 4 medical groups
Dr. Evens' primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dr. Evens is also affiliated with Novato Community Hospital. The medical group on file is UCSF Medical Group. Dmand AI also links Dr. Evens to 3 more medical groups and 1 group practice or clinic, 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. Alexander Ronald Evens' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Evens practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MarinHealth Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander Ronald Evens is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Evens' primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Evens is board certified in infectious disease by the American Board of Internal Medicine. Dr. Evens is licensed in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Clinical focus
Dmand AI lists acute skin infection, asthma, chronic kidney disease, chronic obstructive pulmonary disease (COPD), gastroenteritis, hiv/aids, joint or bone infection and pneumonia among the conditions Dr. Evens treats.
Infectious disease specialists near Dr. Evens
Counts of infectious disease specialists 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. Alexander Ronald Evens billed Medicare for 1,847 services in 2024
CMS data shows 1,847 Medicare services from Dr. Evens across 9 procedure codes in 2024, for 366 Medicare patients. Medicare paid $168,354 for them.
Dr. Evens' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,6602024: 1,8139%
- Other services
- 2023: 02024: 34
Where Dr. Evens' Medicare services took place, 2024
- In an office20111%
- In a facility1,64689%
Dr. Evens compared with the California median for infectious disease specialists, 2024
- Dr. Evens
- California median
- Medicare services
- 1,847vs 4294.3 times
- Medicare patients
- 366vs 1802.0 times
- Part D claims
- 327vs 1192.7 times
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Evens' 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. Evens and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Ronald Evens treated 366 Medicare patients in 2024, average age 78
CMS counts 366 Medicare patients who saw Dr. Evens in 2024. The largest group is 75 to 84, with 146 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.56, 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. Evens' median patient age at 72, with 39% women.
Dr. Evens' Medicare patients by age, 2024
Dr. Evens' Medicare patients by sex, 2024
- Women15943%
- Men20757%
Chronic conditions among Dr. Evens' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease54%
- Chronic kidney disease49%
- Mood disorders43%
- Atrial fibrillation41%
- Anxiety40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Evens' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women39%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Ronald Evens wrote 493 Medicare Part D claims in 2024
In 2024, Dr. Evens wrote 493 Medicare Part D claims for 72 patients. 65% of them were for generic drugs. CMS names the drug for 327 of them, across 18 drugs with 11 or more claims each, at $439,169 in total drug cost. In 2023, CMS named 219 claims across 13 drugs.
Dr. Evens' Part D claims by kind of drug, 2024
- Generic320 claims65%
- Brand-name and other173 claims35%
Dr. Evens' 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. Evens' Part D claims, 2024
- Opioids2%11 of 493 claims
- Antibiotics35%172 of 493 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: 2192024: 32749%
Drugs named by CMS: 18 in 2024, 13 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. Alexander Ronald Evens scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Evens for performance year 2024, reported individually. CMS lists Dr. Evens as offering telehealth.
- Offers telehealth
- Yes
Dr. Evens' MIPS scores, performance year 2024
- 87of 100Final score
- 96.6of 100Quality
- 0of 100Improvement Activities
- 82of 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. Alexander Ronald Evens received $257,658 in industry payments from 2016 to 2025
CMS Open Payments shows 514 general payments to Dr. Evens from 17 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 57% of the total. Merck Sharp & Dohme Corporation paid the most, $172,294.
General payments to Dr. Evens by program year, 2016 to 2025
General payments to Dr. Evens by kind, 2016 to 2025
- Speaker and faculty fees$148,07457%
- Travel and lodging$57,53522%
- Consulting fees$30,03512%
- Honoraria$11,9235%
- Other$10,0914%
Companies that paid Dr. Evens 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. Alexander Ronald Evens graduated from Chicago College of Osteopathic Medicine at Midwestern University
Dr. Evens graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2004.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexander Ronald Evens'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) |
| 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. Alexander Ronald Evens
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. Alexander Ronald Evens' NPI number?
Dr. Alexander Ronald Evens' NPI number is 1114144649. It was assigned on April 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Ronald Evens?
Dr. Alexander Ronald Evens is an infectious disease specialist in Greenbrae, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Alexander Ronald Evens practice?
Dr. Evens practices at 250 Bon Air Road, Greenbrae, CA 94904. Dr. Evens' primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dmand AI also links Dr. Evens to 3 medical groups and 1 group practice or clinic.
What is Dr. Alexander Ronald Evens' office phone number?
The practice phone on file for Dr. Evens is (415) 925-7900.
What is Dr. Alexander Ronald Evens' medical license number?
Dr. Evens holds California license 20A9461.
Which hospitals is Dr. Alexander Ronald Evens affiliated with?
Dr. Evens practices at MarinHealth Medical Center in Greenbrae, California. Dr. Evens is also affiliated with Novato Community Hospital.
What medical group is Dr. Alexander Ronald Evens part of?
Dr. Evens is linked to UCSF Medical Group. Dmand AI links Dr. Evens to 3 more medical groups.
Does Dr. Alexander Ronald Evens accept Medicare?
Yes. CMS data shows Dr. Evens billed Medicare for 1,847 services in 2024.
Does Dr. Alexander Ronald Evens offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Evens as offering telehealth services.
What is Dr. Alexander Ronald Evens' MIPS score?
Dr. Evens' MIPS final score for performance year 2024 is 87 out of 100, reported individually.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Alexander Ronald Evens see?
CMS counts 366 Medicare patients who saw Dr. Evens in 2024, with an average age of 78.
Is Dr. Alexander Ronald Evens board certified?
Yes. Dr. Evens is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Alexander Ronald Evens bill to Medicare?
In 2024, Dr. Evens' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Where did Dr. Alexander Ronald Evens go to medical school?
Dr. Evens graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2004.
What drugs does Dr. Alexander Ronald Evens prescribe most?
In 2024 Medicare Part D data, Dr. Evens' most prescribed drugs by claims were Cephalexin, Triumeq and Biktarvy.
Has Dr. Alexander Ronald Evens received payments from drug or device companies?
CMS Open Payments shows $257,658 in general payments to Dr. Evens from 17 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Alexander Ronald Evens been practicing?
Dr. Evens graduated from medical school in 2004, 22 years ago.
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