Dr. Robert Lynn Sorenson, MD
- Medicare services, 2024
- 2,514
- Medicare patients, 2024
- 965
- Part D claims, 2024
- 1,304
- Publications
- 48
- Clinical trials
- 7
- Practice address
- 3010 Colby St, Berkeley, CA 94705
- Practice phone
- Call (510) 848-1413
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sorenson & Sorenson MD Inc
Berkeley, California
Find Dr. Sorenson'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. Robert Lynn Sorenson is an ophthalmologist in Berkeley, California
Dr. Sorenson practices at Sorenson & Sorenson MD Inc in Berkeley, California.
Dr. Sorenson's NPI, 1235220799, was assigned on September 27, 2006. Dr. Sorenson graduated from UC San Diego School of Medicine in 1980. Dr. Sorenson holds California license G045092.
- NPI
- 1235220799NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507925047
- NPI enumeration date
- September 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 848-1413
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Lynn Sorenson practices at Sorenson & Sorenson MD Inc in Berkeley, California
Dr. Sorenson's primary practice is Sorenson & Sorenson MD Inc, at 3010 Colby St, Berkeley, CA 94705 in Alameda County. The practice phone is (510) 848-1413.
- Sorenson & Sorenson MD Inc3010 Colby St, Berkeley, CA 94705 · Alameda CountyPhone(510) 848-1413
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Lynn Sorenson is affiliated with 2 sites of care and 1 medical group
Dr. Sorenson's primary practice is Sorenson & Sorenson MD Inc in Berkeley, California. Dmand AI also links Dr. Sorenson to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Lynn Sorenson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sorenson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sorenson & Sorenson MD Inc | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Lynn Sorenson is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Sorenson's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Sorenson is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Sorenson is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eyelid inflammation and glaucoma among the conditions Dr. Sorenson treats.
Ophthalmologists near Dr. Sorenson
Counts of ophthalmologists 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. Robert Lynn Sorenson billed Medicare for 2,514 services in 2024
CMS data shows 2,514 Medicare services from Dr. Sorenson across 16 procedure codes in 2024, for 965 Medicare patients. Medicare paid $228,714 for them.
Dr. Sorenson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,9402024: 1,8186%
- Office and hospital visits
- 2023: 5702024: 47018%
- Surgery
- 2023: 2242024: 2261%
Where Dr. Sorenson's Medicare services took place, 2024
- In an office2,43097%
- In a facility843%
Dr. Sorenson compared with the California median for ophthalmologists, 2024
- Dr. Sorenson
- California median
- Medicare services
- 2,514vs 1,0792.3 times
- Medicare patients
- 965vs 4212.3 times
- Part D claims
- 1,201vs 61894% above
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Sorenson'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. Sorenson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sorenson and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Lynn Sorenson treated 965 Medicare patients in 2024, average age 78
CMS counts 965 Medicare patients who saw Dr. Sorenson in 2024. The largest group is 75 to 84, with 482 patients. 72% of them have high cholesterol, and 62% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sorenson's median patient age at 76, with 52% women.
Dr. Sorenson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sorenson's Medicare patients by sex, 2024
- Women56959%
- Men39641%
Chronic conditions among Dr. Sorenson's Medicare patients, 2024
- High cholesterol72%
- High blood pressure62%
- Arthritis39%
- Osteoporosis25%
- Chronic kidney disease21%
- Diabetes21%
- Ischemic heart disease20%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sorenson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women52%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Lynn Sorenson wrote 1,304 Medicare Part D claims in 2024
In 2024, Dr. Sorenson wrote 1,304 Medicare Part D claims for 430 patients. 48% of them were for generic drugs. CMS names the drug for 1,201 of them, across 16 drugs with 11 or more claims each, at $178,636 in total drug cost. In 2023, CMS named 1,145 claims across 16 drugs.
Dr. Sorenson's Part D claims by kind of drug, 2024
- Generic622 claims48%
- Brand-name682 claims52%
Dr. Sorenson'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. Sorenson's Part D claims, 2024
- Antibiotics1%12 of 1,304 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: 1,1452024: 1,2015%
Drugs named by CMS: 16 in 2024, 16 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. Robert Lynn Sorenson scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Sorenson for performance year 2024, reported as part of a group. Dr. Sorenson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 44 procedures of cataract surgery by Dr. Sorenson, more than 61% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Sorenson ranks in Medicare procedure volume
- Cataract surgery
- 61st percentile44 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Robert Lynn Sorenson has 48 publications on record
Dmand AI links 48 papers to Dr. Sorenson, published from 2004 to 2011. The most frequent topics are Islets of Langerhans, Insulin and Insulin Secretion. Dr. Sorenson has published most often in Endocrinology. Dr. Sorenson's most frequent co-authors are David M. Kendall, MD, David A. Rothenberger, MD and Andrew Lee Sorenson, MD.
Dr. Sorenson's papers by year, 2004 to 2011
Topics Dr. Sorenson writes about most
- Islets of Langerhans
- Insulin
- Insulin Secretion
- Prolactin
- Glucose
- Rats, Inbred Strains
- Somatostatin
- Rats, Sprague-Dawley
Dr. Sorenson's most frequent co-authors
- David M. Kendall, MD1 shared paper
- David A. Rothenberger, MD1 shared paper
- Andrew Lee Sorenson, MD1 shared paper
Recent publications by Dr. Sorenson
J Histochem Cytochem
See who Dr. Sorenson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sorenson works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Lynn Sorenson has worked on 7 clinical trials
Dmand AI links Dr. Sorenson to 7 clinical trials, 2 of them phase 2 studies. Conditions studied include Dry Eye Syndromes, Lacrimal Apparatus Diseases and Cataract. Research Insight LLC sponsors the most, 2.
Clinical trials with Dr. Sorenson by phase
- NonePhase 1: no trials
- 2Phase 2: 2 trials
- 2Phase 3: 2 trials
- 1Phase 4: 1 trial
Conditions in Dr. Sorenson's trials
- Dry Eye Syndromes
- Lacrimal Apparatus Diseases
- Cataract
- Conjunctivitis, Bacterial
- Eye Infections, Bacterial
Investigators on the most trials with Dr. Sorenson
- Jung T. Dao, MD3 shared trials
- Michael J. Depenbusch, MD3 shared trials
- Ronald Eric Prentis Frenkel, MD3 shared trials
Recent clinical trials with Dr. Sorenson
Safety and Efficacy of KPI-121 in Subjects With Postsurgical Inflammation and Pain (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Robert Lynn Sorenson received $2,290 in industry payments from 2016 to 2025
CMS Open Payments shows 43 general payments to Dr. Sorenson from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Glaukos Corporation paid the most, $696.
General payments to Dr. Sorenson by program year, 2016 to 2025
General payments to Dr. Sorenson by kind, 2016 to 2025
- Food and beverage$2,21297%
- Education$552%
- Entertainment$231%
Companies that paid Dr. Sorenson 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. Robert Lynn Sorenson has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Sorenson, most recently Oakland Magazine in 2006.
Awards and honors for Dr. Sorenson
- 2006
- Oakland Magazine
- Undated
- AAO Fellow
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Robert Lynn Sorenson graduated from UC San Diego School of Medicine
Dr. Sorenson graduated from UC San Diego School of Medicine in 1980. Dr. Sorenson is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Robert Lynn Sorenson accepts plans from 15 insurance carriers
Dr. Sorenson is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Sorenson accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Lynn Sorenson'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Robert Lynn Sorenson
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. Robert Lynn Sorenson's NPI number?
Dr. Robert Lynn Sorenson's NPI number is 1235220799. It was assigned on September 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Lynn Sorenson?
Dr. Robert Lynn Sorenson is an ophthalmologist in Berkeley, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Robert Lynn Sorenson practice?
Dr. Sorenson practices at 3010 Colby St, Berkeley, CA 94705. Dr. Sorenson's primary practice is Sorenson & Sorenson MD Inc in Berkeley, California. Dmand AI also links Dr. Sorenson to 1 group practice or clinic and 1 medical group.
What is Dr. Robert Lynn Sorenson's office phone number?
The practice phone on file for Dr. Sorenson is (510) 848-1413.
What is Dr. Robert Lynn Sorenson's medical license number?
Dr. Sorenson holds California license G045092.
Does Dr. Robert Lynn Sorenson accept Medicare?
Yes. CMS data shows Dr. Sorenson billed Medicare for 2,514 services in 2024, and Dr. Sorenson accepts Medicare assignment.
What is Dr. Robert Lynn Sorenson's MIPS score?
Dr. Sorenson's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Robert Lynn Sorenson see?
CMS counts 965 Medicare patients who saw Dr. Sorenson in 2024, with an average age of 78.
Is Dr. Robert Lynn Sorenson board certified?
Yes. Dr. Sorenson is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Robert Lynn Sorenson bill to Medicare?
In 2024, Dr. Sorenson's most billed Medicare services were eye exam or test (92014), office visit, established patient (99212) and eye exam or test (92134).
Show 7 more questionsShow fewer questions
Where did Dr. Robert Lynn Sorenson go to medical school?
Dr. Sorenson graduated from UC San Diego School of Medicine in 1980.
What drugs does Dr. Robert Lynn Sorenson prescribe most?
In 2024 Medicare Part D data, Dr. Sorenson's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Timolol Maleate.
Has Dr. Robert Lynn Sorenson received payments from drug or device companies?
CMS Open Payments shows $2,290 in general payments to Dr. Sorenson from 16 companies from 2016 to 2025. The largest total came from Glaukos Corporation.
How long has Dr. Robert Lynn Sorenson been practicing?
Dr. Sorenson graduated from medical school in 1980, 46 years ago.
Does Dr. Robert Lynn Sorenson do research?
Dmand AI links 48 publications to Dr. Sorenson, published from 2004 to 2011. Dr. Sorenson has worked on 7 clinical trials.
Who does Dr. Robert Lynn Sorenson publish with?
Dr. Sorenson's most frequent co-authors are David M. Kendall, MD (1 shared paper), David A. Rothenberger, MD (1 shared paper) and Andrew Lee Sorenson, MD (1 shared paper).
What insurance does Dr. Robert Lynn Sorenson accept?
Dr. Sorenson is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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