Dr. Robert Lynn Sorenson, MD

  • Berkeley, CA
  • Ophthalmologist
NPI1235220799PAC ID6507925047
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Sorenson & Sorenson MD Inc

Berkeley, California

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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 and contact details
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
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Mobile number
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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 Inc
    3010 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.

See all 3 affiliations for Dr. Sorenson

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.

EHR by site
SiteEHR vendor and product
Sorenson & Sorenson MD IncAvailable with a free account
+1 more site and 1 medical groupAvailable 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, CaliforniaPrimaryLicense G045092 · 1981 to 2026 · taxonomy 207W00000X

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.

2,621ophthalmologists in California
7ophthalmologists in Berkeley

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.

Medicare services, 20242,514
Medicare patients965
Paid by Medicare$228,714
Procedure codes16

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.

See all procedures by Dr. Sorenson

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.

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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.

Medicare patients, 2024965
Average age78
Average risk score0.94
Also on Medicaid4%

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

  1. High cholesterol72%
  2. High blood pressure62%
  3. Arthritis39%
  4. Osteoporosis25%
  5. Chronic kidney disease21%
  6. Diabetes21%
  7. Ischemic heart disease20%
  8. 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.

Part D claims, 20241,304
Drugs named by CMS16
Total drug cost$178,636
Part D patients430

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.

See all prescribing by Dr. Sorenson

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)

For MedTech and pharma teams

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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.

Papers48
Years published2004 to 2011

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

Recent publications by Dr. Sorenson

See all 48 publications and co-authors

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.

How network discovery works

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

  1. NonePhase 1: no trials
  2. 2Phase 2: 2 trials
  3. 2Phase 3: 2 trials
  4. 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

Recent clinical trials with Dr. Sorenson

See all 7 clinical trials and co-investigators

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

$2.3Kin total
  • 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.

See all payments to Dr. Sorenson

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

  1. 2006
    • Oakland Magazine
  2. 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.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in ophthalmologyAmerican Board of 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

  1. PPO9
  2. Medicare8
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert Lynn Sorenson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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