Dr. Walter C. Roberts, MD

  • Glendale, CA
  • Ophthalmologist
NPI1811985120PAC ID7719145218
Medicare services, 2024
285
Medicare patients, 2024
132
Part D claims, 2024
469
Industry payments
$589
Affiliated sites
1
Practice address
1510 S Central Ave, Glendale, CA 91204
Practice phone
Call (818) 242-3668
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Major Medical Management, Inc.

Glendale, California

See all 2 affiliations

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Dr. Walter C. Roberts is an ophthalmologist in Glendale, California

Dr. Roberts practices at Major Medical Management, Inc. in Glendale, California.

Dr. Roberts' NPI, 1811985120, was assigned on October 11, 2005. Dr. Roberts graduated from Keck School of Medicine of USC in 1973. Dr. Roberts holds California license G27442.

NPI and contact details
Medicare PAC ID
7719145218
NPI enumeration date
October 11, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 242-3668
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
79
Medical school graduation
1973

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

Dr. Walter C. Roberts practices at Major Medical Management, Inc. in Glendale, California

Dr. Roberts' primary practice is Major Medical Management, Inc., at 1510 S Central Ave, Glendale, CA 91204 in Los Angeles County. The practice phone is (818) 242-3668.

  • Major Medical Management, Inc.
    1510 S Central Ave, Glendale, CA 91204 · Los Angeles CountyPhone(818) 242-3668

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

Dr. Walter C. Roberts is affiliated with 2 sites of care

Dr. Roberts' primary practice is Major Medical Management, Inc. in Glendale, California. Dmand AI also links Dr. Roberts to 1 physician office, named with a free account.

Major Medical Management, Inc.Glendale, CaliforniaPrimary
1 physician officeName with a free account
See all 2 affiliations for Dr. Roberts

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

Dmand AI tracks the EHR system at Dr. Walter C. Roberts' practice

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

EHR by site
SiteEHR vendor and product
Major Medical Management, Inc.Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Walter C. Roberts is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Roberts' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Roberts is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Roberts is licensed in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense G27442 · 1974 to 2027 · taxonomy 207W00000X

Clinical focus

Dmand AI lists cataract, conjunctivitis, dry eye, eyelid inflammation, glaucoma, shingles and vision problems among the conditions Dr. Roberts treats.

Ophthalmologists near Dr. Roberts

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. Walter C. Roberts billed Medicare for 285 services in 2024

CMS data shows 285 Medicare services from Dr. Roberts across 6 procedure codes in 2024, for 132 Medicare patients. Medicare paid $21,230 for them. Every service was in an office.

Medicare services, 2024285
Medicare patients132
Paid by Medicare$21,230
Procedure codes6

Dr. Roberts' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 2812024: 2851%

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

  • Dr. Roberts
  • California median
Medicare services
285vs 1,07974% below
Medicare patients
132vs 42169% below
Part D claims
414vs 61833% below

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

Dr. Roberts' 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. Roberts

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

Dr. Walter C. Roberts treated 132 Medicare patients in 2024, average age 76

CMS counts 132 Medicare patients who saw Dr. Roberts in 2024. The largest group is 75 to 84, with 50 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Roberts' median patient age at 77, with 60% women.

Medicare patients, 2024132
Average age76
Average risk score1.20
Also on Medicaid45%

Dr. Roberts' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Roberts' Medicare patients by sex, 2024

  • Women7758%
  • Men5542%

Chronic conditions among Dr. Roberts' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Diabetes48%
  5. Chronic kidney disease27%
  6. Ischemic heart disease27%
  7. Osteoporosis20%
  8. Mood disorders17%

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

Dr. Roberts' patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Dr. Walter C. Roberts wrote 469 Medicare Part D claims in 2024

In 2024, Dr. Roberts wrote 469 Medicare Part D claims for 69 patients. 55% of them were for generic drugs. CMS names the drug for 414 of them, across 7 drugs with 11 or more claims each, at $15,738 in total drug cost. In 2023, CMS named 364 claims across 5 drugs.

Part D claims, 2024469
Drugs named by CMS7
Total drug cost$15,738
Part D patients69

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

  • Generic258 claims55%
  • Brand-name211 claims45%

Dr. Roberts' 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: 3642024: 41414%

Drugs named by CMS: 7 in 2024, 5 in 2023.

See all prescribing by Dr. Roberts

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

How Dr. Walter C. Roberts takes part in Medicare

Dr. Roberts accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Walter C. Roberts received $589 in industry payments from 2016 to 2024

CMS Open Payments shows 27 general payments to Dr. Roberts from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 86% of the total. Allergan Inc. paid the most, $411.

General payments to Dr. Roberts by program year, 2016 to 2024

General payments to Dr. Roberts by kind, 2016 to 2024

$589in total
  • Food and beverage$50686%
  • Gifts$458%
  • Education$386%

Companies that paid Dr. Roberts the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Roberts

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

Dr. Walter C. Roberts has 1 award and honors on record

Dmand AI lists 1 award for Dr. Roberts.

Awards and honors for Dr. Roberts

  1. Undated
    • AAO Fellow

Source: Dmand AI Professional Profile Data

Dr. Walter C. Roberts graduated from Keck School of Medicine of USC

Dr. Roberts graduated from Keck School of Medicine of USC in 1973. Dr. Roberts is a member of AAO.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Walter C. Roberts accepts plans from 13 insurance carriers

Dr. Roberts is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare 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
  • LA Care
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Aspirus Health Plan
  • +5 more carriersWith a free account

Plan types Dr. Roberts accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. HMO5
  4. POS4
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Walter C. Roberts'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)Doctors and Clinicians Utilization Data (CMS) (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. Walter C. Roberts

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. Walter C. Roberts' NPI number?

Dr. Walter C. Roberts' NPI number is 1811985120. It was assigned on October 11, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Walter C. Roberts?

Dr. Walter C. Roberts is an ophthalmologist in Glendale, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Walter C. Roberts practice?

Dr. Roberts practices at 1510 S Central Ave, Glendale, CA 91204. Dr. Roberts' primary practice is Major Medical Management, Inc. in Glendale, California. Dmand AI also links Dr. Roberts to 1 physician office.

What is Dr. Walter C. Roberts' office phone number?

The practice phone on file for Dr. Roberts is (818) 242-3668.

What is Dr. Walter C. Roberts' medical license number?

Dr. Roberts holds California license G27442.

Does Dr. Walter C. Roberts accept Medicare?

Yes. CMS data shows Dr. Roberts billed Medicare for 285 services in 2024, and Dr. Roberts accepts Medicare assignment.

How many Medicare patients does Dr. Walter C. Roberts see?

CMS counts 132 Medicare patients who saw Dr. Roberts in 2024, with an average age of 76.

Is Dr. Walter C. Roberts board certified?

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

What services does Dr. Walter C. Roberts bill to Medicare?

In 2024, Dr. Roberts' most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92083).

Where did Dr. Walter C. Roberts go to medical school?

Dr. Roberts graduated from Keck School of Medicine of USC in 1973.

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What drugs does Dr. Walter C. Roberts prescribe most?

In 2024 Medicare Part D data, Dr. Roberts' most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.

Has Dr. Walter C. Roberts received payments from drug or device companies?

CMS Open Payments shows $589 in general payments to Dr. Roberts from 8 companies from 2016 to 2024. The largest total came from Allergan Inc.

How long has Dr. Walter C. Roberts been practicing?

Dr. Roberts graduated from medical school in 1973, 53 years ago.

What insurance does Dr. Walter C. Roberts accept?

Dr. Roberts is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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