Dr. William R. Freeman, MD

  • San Diego, CA
  • Ophthalmologist
NPI1518983352PAC ID6608068721
Medicare services, 2024
20,813
Medicare patients, 2024
570
Part D claims, 2024
138
Publications
449
MIPS score, 2024
91
Practice address
200 W Arbor Dr, San Diego, CA 92103
Practice phone
Call (619) 543-6222
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSD Hillcrest Medical Center

San Diego, California

See all 3 affiliations

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Dr. William R. Freeman is an ophthalmologist in San Diego, California

Dr. Freeman practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Freeman's NPI, 1518983352, was assigned on July 14, 2006. Dr. Freeman graduated from Icahn School Of Medicine At Mount Sinai in 1979. Dr. Freeman holds California license G51579.

NPI and contact details
Medicare PAC ID
6608068721
NPI enumeration date
July 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 543-6222
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
73
Medical school graduation
1979

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William R. Freeman practices at UCSD Hillcrest Medical Center in San Diego, California

Dr. Freeman's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

  • UCSD Hillcrest Medical Center
    200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. William R. Freeman is affiliated with 2 sites of care and 1 medical group

Dr. Freeman's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Freeman is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.

See all 3 affiliations for Dr. Freeman

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William R. Freeman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Freeman practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSD Hillcrest Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William R. Freeman is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Freeman's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Freeman is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Freeman's licenses on file in 2 states: California and New York.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense G51579 · 1983 to 2027 · taxonomy 207W00000X
  • New York licenseSince 1980

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, conjunctivitis, dry eye, eyelid inflammation, glaucoma, hereditary corneal conditions and inflammation of iris among the conditions Dr. Freeman treats.

Ophthalmologists near Dr. Freeman

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. William R. Freeman billed Medicare for 20,813 services in 2024

CMS data shows 20,813 Medicare services from Dr. Freeman across 14 procedure codes in 2024, for 570 Medicare patients. Medicare paid $1,205,494 for them.

Medicare services, 202420,813
Medicare patients570
Paid by Medicare$1.2M
Procedure codes14

Dr. Freeman's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 8,9412024: 17,45895%
Tests and treatments
2023: 2,1332024: 1,81415%
Office and hospital visits
2023: 1,0172024: 87114%
Surgery
2023: 7712024: 67013%
Imaging
2023: 162024: 0100%

Where Dr. Freeman's Medicare services took place, 2024

  • In an office20,770100%
  • In a facility430%

Dr. Freeman compared with the California median for ophthalmologists, 2024

  • Dr. Freeman
  • California median
Medicare services
20,813vs 1,07919.3 times
Medicare patients
570vs 42135% above
Part D claims
93vs 61885% below

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. Freeman'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.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William R. Freeman treated 570 Medicare patients in 2024, average age 78

CMS counts 570 Medicare patients who saw Dr. Freeman in 2024. The largest group is 75 to 84, with 220 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.50, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Freeman's median patient age at 71, with 54% women.

Medicare patients, 2024570
Average age78
Average risk score1.50
Also on Medicaid12%

Dr. Freeman's Medicare patients by age, 2024

Dr. Freeman's Medicare patients by sex, 2024

  • Women31255%
  • Men25845%

Chronic conditions among Dr. Freeman's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure68%
  3. Arthritis51%
  4. Diabetes28%
  5. Mood disorders27%
  6. Chronic kidney disease26%
  7. Ischemic heart disease26%
  8. Depression24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Freeman's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William R. Freeman wrote 138 Medicare Part D claims in 2024

In 2024, Dr. Freeman wrote 138 Medicare Part D claims for 53 patients. 87% of them were for generic drugs. CMS names the drug for 93 of them, across 4 drugs with 11 or more claims each, at $2,279 in total drug cost. In 2023, CMS named 67 claims across 3 drugs.

Part D claims, 2024138
Drugs named by CMS4
Total drug cost$2,279
Part D patients53

Dr. Freeman's Part D claims by kind of drug, 2024

  • Generic120 claims87%
  • Brand-name18 claims13%

Dr. Freeman'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 672024: 9339%

Drugs named by CMS: 4 in 2024, 3 in 2023.

See all prescribing by Dr. Freeman

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. William R. Freeman scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Freeman for performance year 2024, reported as part of a group. Dr. Freeman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 25 procedures of cataract surgery by Dr. Freeman, more than 49% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Freeman's MIPS scores, performance year 2024

  • 91of 100Final score
  • 84.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Freeman ranks in Medicare procedure volume

Cataract surgery
49th percentile25 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. William R. Freeman has 449 publications on record

Dmand AI links 449 papers to Dr. Freeman, published from 2005 to 2025. 2023 was the busiest year, with 13. The most frequent topics are Visual Acuity, Retina and Fluorescein Angiography. Dr. Freeman has published most often in Retina. Dr. Freeman's most frequent co-authors are Jay Kumar Chhablani, MD, Michael Henry Goldbaum, MD and Iryna Anatoliyevna Falkenstein, MD.

Papers449
Years published2005 to 2025

Dr. Freeman's papers by year, 2016 to 2025

Topics Dr. Freeman writes about most

  • Visual Acuity
  • Retina
  • Fluorescein Angiography
  • Tomography, Optical Coherence
  • Vitreous Body
  • Fundus Oculi
  • Retinal Diseases
  • Rabbits

Dr. Freeman's most frequent co-authors

Recent publications by Dr. Freeman

See all 449 publications and co-authors

See who Dr. Freeman researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Freeman 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. William R. Freeman received $47,938 in industry payments from 2016 to 2025

CMS Open Payments shows 57 general payments to Dr. Freeman from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 56% of the total. Allergan Inc. paid the most, $20,016. It also lists 3 research payments totaling $11,782 from 2020 to 2024.

General payments to Dr. Freeman by program year, 2016 to 2025

General payments to Dr. Freeman by kind, 2016 to 2025

$47.9Kin total
  • Consulting fees$27,08056%
  • Speaker and faculty fees$14,11629%
  • Travel and lodging$4,2839%
  • Food and beverage$2,4595%

Companies that paid Dr. Freeman the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Freeman

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William R. Freeman has 5 awards and honors on record

Dmand AI lists 5 awards for Dr. Freeman, most recently America's Top Doctors in 2014.

Awards and honors for Dr. Freeman

  1. 2014
    • America's Top Doctors
  2. 2013
    • Top Doctors:San Diego Area
  3. 2012
    • Top Doctors:Southern California
  4. Undated
    • AAO Fellow
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. William R. Freeman graduated from Icahn School Of Medicine At Mount Sinai

Dr. Freeman graduated from Icahn School Of Medicine At Mount Sinai in 1979. Dr. Freeman is a member of AAO.

  1. Medical schoolIcahn School Of Medicine At Mount Sinai
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. William R. Freeman accepts plans from 16 insurance carriers

Dr. Freeman is in network with 16 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • +8 more carriersWith a free account

Plan types Dr. Freeman accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO9
  4. EPO5
  5. POS5

Source: Dmand AI Insurance Network Data

Sources for Dr. William R. Freeman'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 DataDmand AI Org Hierarchy 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
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. William R. Freeman

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. William R. Freeman's NPI number?

Dr. William R. Freeman's NPI number is 1518983352. It was assigned on July 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William R. Freeman?

Dr. William R. Freeman is an ophthalmologist in San Diego, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. William R. Freeman practice?

Dr. Freeman practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Freeman's primary practice is UCSD Hillcrest Medical Center in San Diego, California.

What is Dr. William R. Freeman's office phone number?

The practice phone on file for Dr. Freeman is (619) 543-6222.

What is Dr. William R. Freeman's medical license number?

Dr. Freeman holds California license G51579, one of the licenses on file in 2 states.

Which states has Dr. William R. Freeman been licensed in?

Dmand AI has state licenses on file for Dr. Freeman in California (1983 to 2027) and New York (since 1980).

Which hospitals is Dr. William R. Freeman affiliated with?

Dr. Freeman is affiliated with Hillcrest Medical Center.

What medical group is Dr. William R. Freeman part of?

Dr. Freeman is linked to UC San Diego Health.

Does Dr. William R. Freeman accept Medicare?

Yes. CMS data shows Dr. Freeman billed Medicare for 20,813 services in 2024, and Dr. Freeman accepts Medicare assignment.

What is Dr. William R. Freeman's MIPS score?

Dr. Freeman's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. William R. Freeman see?

CMS counts 570 Medicare patients who saw Dr. Freeman in 2024, with an average age of 78.

Is Dr. William R. Freeman board certified?

Yes. Dr. Freeman is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. William R. Freeman bill to Medicare?

In 2024, Dr. Freeman's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and office visit, established patient (99214).

Where did Dr. William R. Freeman go to medical school?

Dr. Freeman graduated from Icahn School Of Medicine At Mount Sinai in 1979.

What drugs does Dr. William R. Freeman prescribe most?

In 2024 Medicare Part D data, Dr. Freeman's most prescribed drugs by claims were Dorzolamide-Timolol, Ketorolac Tromethamine and Brimonidine Tartrate.

Has Dr. William R. Freeman received payments from drug or device companies?

CMS Open Payments shows $47,938 in general payments to Dr. Freeman from 11 companies from 2016 to 2025. The largest total came from Allergan Inc.

How long has Dr. William R. Freeman been practicing?

Dr. Freeman graduated from medical school in 1979, 47 years ago.

Does Dr. William R. Freeman do research?

Dmand AI links 449 publications to Dr. Freeman, published from 2005 to 2025.

Who does Dr. William R. Freeman publish with?

Dr. Freeman's most frequent co-authors are Jay Kumar Chhablani, MD (28 shared papers), Michael Henry Goldbaum, MD (19 shared papers) and Iryna Anatoliyevna Falkenstein, MD (16 shared papers).

What insurance does Dr. William R. Freeman accept?

Dr. Freeman is in network with 16 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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