Robert Lynn Sorenson, M.D.
Ophthalmology Physician · Berkeley, CA
Robert Lynn Sorenson, M.D. is an ophthalmology physician with a practice address in Berkeley, California, and NPI 1235220799, issued on Sep 27, 2006. Check the license (California G045092, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Lynn Sorenson
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G045092 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3010 Colby St, Berkeley, CA 94705
- Phone
- (510) 848-1413
- Enumerated
- Sep 27, 2006
- Record last updated
- Apr 17, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (510) 848-7347
- Medicaid ID
- GR0021950 CA
- Medicare enrollment
- Enrolled (PECOS I20081117000839); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 3010 Colby St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brian Hinrichsen, PAEmergency Medicine Physician1376534792
- Rebecca Janik, M.D.Ophthalmology Physician1518223080
Verify Robert Lynn Sorenson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G045092Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,304 Medicare Part D claims for 430 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Latanoprost377 claims
- Prednisolone Acetate142 claims
- Timolol Maleate120 claims
- Ketorolac Tromethamine116 claims
- Tobramycin-Dexamethasone104 claims
- Brimonidine Tartrate-Timolol53 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $193.09
5 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sorenson And Sorenson MD IncBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Lynn Sorenson among 2,899 ophthalmology physician records in California
Robert Lynn Sorenson, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1981 · median 2001 among the 1,907 with a school on file
- Record last updated2008 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Berkeley → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Rebecca Janik, M.D.Berkeley, CA 947051518223080
- Myron Lee, M.D.Berkeley, CA 947051215023395
- Andrew Sorenson, M.D.Berkeley, CA 947051326139981
- Tara Starr, MDBerkeley, CA 947051124150065
- Leonardo Dacanay, M.D.Berkeley, CA 947041679509269
- John Gilman, MDBerkeley, CA 947071215279567
- Melissa Neuwelt, M.D.Berkeley, CA 947021093917247
- Jane Loman, M.D.Oakland, CA 946121346274024
Common questions
What is Robert Lynn Sorenson, M.D.'s NPI number?
Robert Lynn Sorenson, M.D.'s National Provider Identifier (NPI) is 1235220799, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Lynn Sorenson, M.D. located?
The NPPES record lists a practice address at 3010 Colby St, Berkeley, CA, 94705. Phone: (510) 848-1413. Providers update this record themselves, so call before visiting.
How can I verify Robert Lynn Sorenson, M.D.'s license?
NPPES lists California license number G045092, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Lynn Sorenson, M.D. prescribe under Medicare Part D?
In 2024, Robert Lynn Sorenson, M.D. had 1,304 Medicare Part D claims for 430 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Robert Lynn Sorenson, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.