Dr. William John Bigham, MD

  • Coronado, CA
  • Ophthalmologist
NPI1104893692
Medicare services, 2024
38
Medicare patients, 2024
52
Part D claims, 2024
112
Publications
1
MIPS score, 2024
99
Practice address
250 Prospect Place, Coronado, CA 92118
Practice phone
Call (619) 435-6251
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Sharp Coronado Hospital

Hospital · Coronado, California

See all 5 affiliations

Find Dr. Bigham'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.

View contacts for free

Dr. William John Bigham is an ophthalmologist in Coronado, California

Dr. Bigham practices at Sharp Coronado Hospital in Coronado, California, part of Sharp HealthCare.

Dr. Bigham's NPI, 1104893692, was assigned on March 2, 2006. Dr. Bigham graduated from UVA School of Medicine in 1980. Dr. Bigham holds California license G54117.

NPI and contact details
NPI enumeration date
March 2, 2006
NPI status
Active
Practice phone
(619) 435-6251
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
72
Medical school graduation
1980

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

Dr. William John Bigham practices at Sharp Coronado Hospital in Coronado, California

Dr. Bigham's primary practice is Sharp Coronado Hospital, at 250 Prospect Place, Coronado, CA 92118 in San Diego County. The practice phone is (619) 435-6251.

Source: Dmand AI Affiliation Data

Dr. William John Bigham is affiliated with 3 sites of care and 2 medical groups

Dr. Bigham's primary practice is Sharp Coronado Hospital in Coronado, California, part of Sharp HealthCare. Dmand AI also links Dr. Bigham to 2 group practices and clinics and 2 medical groups, each named with a free account.

See all 5 affiliations for Dr. Bigham

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William John Bigham's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bigham practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sharp Coronado HospitalAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Bigham practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Sharp HealthCare and 6.2K+ hospitals, with verified contacts in the same login.

Dr. William John Bigham is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Bigham's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Bigham is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Bigham's licenses on file in 3 states: California, Florida and Pennsylvania.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense G54117 · 1984 to 2026 · taxonomy 207W00000X
  • Florida license1988 to 2026
  • Pennsylvania license1990 to 1992

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, glaucoma and inflammation of iris among the conditions Dr. Bigham treats.

Ophthalmologists near Dr. Bigham

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 John Bigham billed Medicare for 38 services in 2024

CMS data shows 38 Medicare services from Dr. Bigham across 2 procedure codes in 2024, for 52 Medicare patients. Medicare paid $2,326 for them. Every service was in an office.

Medicare services, 202438
Medicare patients52
Paid by Medicare$2,326
Procedure codes2

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

  • 2023
  • 2024
Tests and treatments
2023: 6122024: 3894%
Imaging
2023: 242024: 0100%
Surgery
2023: 1372024: 0100%
Office and hospital visits
2023: 6132024: 0100%

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

  • Dr. Bigham
  • California median
Medicare services
38vs 1,07996% below
Medicare patients
52vs 42188% below
Part D claims
76vs 61888% below

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

Dr. Bigham'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. Bigham

Need commercial claims for Dr. Bigham?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bigham and other ophthalmologists in California.

Book a meeting

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

Dr. William John Bigham treated 52 Medicare patients in 2024, average age 79

CMS counts 52 Medicare patients who saw Dr. Bigham in 2024. The largest group is 75 to 84, with 25 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 1.11, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Bigham's median patient age at 79, with 54% women.

Medicare patients, 202452
Average age79
Average risk score1.11

Dr. Bigham's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Bigham's Medicare patients by sex, 2024

  • Women3058%
  • Men2242%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis46%
  4. Diabetes33%
  5. Ischemic heart disease27%
  6. Osteoporosis27%
  7. Atrial fibrillation21%

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

Dr. Bigham's patients across all payers

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

Patient panel by age, all payers

Median age 79

Patient panel by sex, all payers

  • Women54%
  • Men43%

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

Dr. William John Bigham wrote 112 Medicare Part D claims in 2024

In 2024, Dr. Bigham wrote 112 Medicare Part D claims for 41 patients. 72% of them were for generic drugs. CMS names the drug for 76 of them, across 3 drugs with 11 or more claims each, at $11,752 in total drug cost. In 2023, CMS named 245 claims across 8 drugs.

Part D claims, 2024112
Drugs named by CMS3
Total drug cost$11,752
Part D patients41

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

  • Generic81 claims72%
  • Brand-name31 claims28%

Dr. Bigham'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: 2452024: 7669%

Drugs named by CMS: 3 in 2024, 8 in 2023.

See all prescribing by Dr. Bigham

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 John Bigham scored 99 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Bigham for performance year 2024, reported as part of a group.

Dr. Bigham's MIPS scores, performance year 2024

  • 99of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities
  • 98of 100Cost

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

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find ophthalmologists like Dr. Bigham by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. William John Bigham has 1 publication on record

Dmand AI links 1 paper to Dr. Bigham.

Papers1

Recent publications by Dr. Bigham

See all 1 publications and co-authors

See who Dr. Bigham researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bigham 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 John Bigham received $3,020 in industry payments from 2016 to 2025

CMS Open Payments shows 87 general payments to Dr. Bigham from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Alcon Laboratories Inc paid the most, $1,674.

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

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

$3Kin total
  • Food and beverage$2,99699%
  • Education$241%

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

Share is of all general payments to this clinician.

See all payments to Dr. Bigham

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

Dr. William John Bigham has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Bigham.

Awards and honors for Dr. Bigham

  1. Undated
    • AAO Fellow
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. William John Bigham graduated from UVA School of Medicine

Dr. Bigham graduated from UVA School of Medicine in 1980. Dr. Bigham is a member of AAO and ACS.

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

Source: Dmand AI Professional Profile Data

Dr. William John Bigham accepts plans from 5 insurance carriers

Dr. Bigham is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Regence Health Plans

Plan types Dr. Bigham accepts, by number of carriers

  1. Medicare5
  2. PPO5
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. William John Bigham'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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 percentilesClinician Public Reporting: Overall MIPS Performance (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 John Bigham

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 John Bigham's NPI number?

Dr. William John Bigham's NPI number is 1104893692. It was assigned on March 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William John Bigham?

Dr. William John Bigham is an ophthalmologist in Coronado, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. William John Bigham practice?

Dr. Bigham practices at 250 Prospect Place, Coronado, CA 92118. Dr. Bigham's primary practice is Sharp Coronado Hospital in Coronado, California, part of Sharp HealthCare. Dmand AI also links Dr. Bigham to 2 group practices and clinics and 2 medical groups.

What is Dr. William John Bigham's office phone number?

The practice phone on file for Dr. Bigham is (619) 435-6251.

What is Dr. William John Bigham's medical license number?

Dr. Bigham holds California license G54117, one of the licenses on file in 3 states.

Which states has Dr. William John Bigham been licensed in?

Dmand AI has state licenses on file for Dr. Bigham in California (1984 to 2026), Florida (1988 to 2026) and Pennsylvania (1990 to 1992).

Which hospitals is Dr. William John Bigham affiliated with?

Dr. Bigham practices at Sharp Coronado Hospital in Coronado, California.

Does Dr. William John Bigham accept Medicare?

Yes. CMS data shows Dr. Bigham billed Medicare for 38 services in 2024.

What is Dr. William John Bigham's MIPS score?

Dr. Bigham's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.

How many Medicare patients does Dr. William John Bigham see?

CMS counts 52 Medicare patients who saw Dr. Bigham in 2024, with an average age of 79.

Show 8 more questionsShow fewer questions

Is Dr. William John Bigham board certified?

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

What services does Dr. William John Bigham bill to Medicare?

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

Where did Dr. William John Bigham go to medical school?

Dr. Bigham graduated from UVA School of Medicine in 1980.

What drugs does Dr. William John Bigham prescribe most?

In 2024 Medicare Part D data, Dr. Bigham's most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Restasis.

Has Dr. William John Bigham received payments from drug or device companies?

CMS Open Payments shows $3,020 in general payments to Dr. Bigham from 13 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. William John Bigham been practicing?

Dr. Bigham graduated from medical school in 1980, 46 years ago.

Does Dr. William John Bigham do research?

Dmand AI links 1 publication to Dr. Bigham.

What insurance does Dr. William John Bigham accept?

Dr. Bigham is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

Selling to ophthalmology practices?

See ophthalmologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)