Dr. Alexander Balcar Dillon, MD

  • Vallejo, CA
  • Ophthalmologist
NPI1699120212PAC ID5395037584
Medicare services, 2024
2,198
Medicare patients, 2024
192
Part D claims, 2024
283
Publications
11
MIPS score, 2024
100
Practice address
975 Sereno Dr, Vallejo, CA 94589
Practice phone
Call (707) 651-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vallejo Medical Center

Hospital · Vallejo, California

See all 8 affiliations

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Dr. Alexander Balcar Dillon is an ophthalmologist in Vallejo, California

Dr. Dillon practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.

Dr. Dillon's NPI, 1699120212, was assigned on May 2, 2016. Dr. Dillon graduated from New York University School of Medicine in 2015. Dr. Dillon holds California license A168691.

NPI and contact details
Medicare PAC ID
5395037584
NPI enumeration date
May 2, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 651-1000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2015

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

Dr. Alexander Balcar Dillon practices at Vallejo Medical Center in Vallejo, California

Dr. Dillon's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.

Source: Dmand AI Affiliation Data

Dr. Alexander Balcar Dillon is affiliated with 4 sites of care and 4 medical groups

Dr. Dillon's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dr. Dillon is also affiliated with Providence Holy Family Hospital. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Dillon to 3 more medical groups, 1 home health agency and 1 hospice, each named with a free account.

See all 8 affiliations for Dr. Dillon

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

Dmand AI tracks the EHR system at Dr. Alexander Balcar Dillon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dillon practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vallejo Medical CenterAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alexander Balcar Dillon is one of 2,621 ophthalmologists in California

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

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A168691 · 2020 to 2026 · taxonomy 207W00000X

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, eyelid inflammation, glaucoma, hypertensive retinopathy, inflammation of iris and laser destruction of retinal or choroid lesions among the conditions Dr. Dillon treats.

Ophthalmologists near Dr. Dillon

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. Alexander Balcar Dillon billed Medicare for 2,198 services in 2024

CMS data shows 2,198 Medicare services from Dr. Dillon across 9 procedure codes in 2024, for 192 Medicare patients. Medicare paid $70,577 for them. Every service was in an office.

Medicare services, 20242,198
Medicare patients192
Paid by Medicare$70,577
Procedure codes9

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

  • 2023
  • 2024
Drugs given in the office
2023: 9,4502024: 1,68582%
Tests and treatments
2023: 2,5022024: 28789%
Office and hospital visits
2023: 5692024: 13476%
Surgery
2023: 6142024: 9285%
Imaging
2023: 472024: 0100%

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

  • Dr. Dillon
  • California median
Medicare services
2,198vs 1,0792.0 times
Medicare patients
192vs 42154% below
Part D claims
250vs 61860% below

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

Dr. Dillon'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. Dillon

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

Dr. Alexander Balcar Dillon treated 192 Medicare patients in 2024, average age 76

CMS counts 192 Medicare patients who saw Dr. Dillon in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 28% are also on Medicaid. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Dillon's median patient age at 67, with 50% women.

Medicare patients, 2024192
Average age76
Average risk score1.83
Also on Medicaid28%

Dr. Dillon's Medicare patients by age, 2024

Dr. Dillon's Medicare patients by sex, 2024

  • Women9047%
  • Men10253%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Diabetes45%
  4. Arthritis32%
  5. Chronic kidney disease29%
  6. Atrial fibrillation23%
  7. Ischemic heart disease23%
  8. Cancer18%

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

Dr. Dillon's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

Dr. Alexander Balcar Dillon wrote 283 Medicare Part D claims in 2024

In 2024, Dr. Dillon wrote 283 Medicare Part D claims for 84 patients. 74% of them were for generic drugs. CMS names the drug for 250 of them, across 10 drugs with 11 or more claims each, at $8,210 in total drug cost. In 2023, CMS named 169 claims across 5 drugs.

Part D claims, 2024283
Drugs named by CMS10
Total drug cost$8,210
Part D patients84

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

  • Generic210 claims74%
  • Brand-name73 claims26%

Dr. Dillon'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: 1692024: 25048%

Drugs named by CMS: 10 in 2024, 5 in 2023.

See all prescribing by Dr. Dillon

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. Alexander Balcar Dillon scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Dillon for performance year 2024, reported as part of a group. Dr. Dillon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Dillon's MIPS scores, performance year 2024

  • 100of 100Final score
  • 94.7of 100Quality
  • 40of 100Improvement Activities

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Alexander Balcar Dillon has 11 publications on record

Dmand AI links 11 papers to Dr. Dillon, published from 2012 to 2023. 2014 was the busiest year, with 2. The most frequent topics are Femoracetabular Impingement, Hip Joint and Magnetic Resonance Imaging. Dr. Dillon has published most often in J Vitreoretin Dis. Dr. Dillon's most frequent co-authors are Thomas M. Link, MD, Kyle Davis Kovacs, MD and Anton Orlin, MD.

Papers11
Years published2012 to 2023

Dr. Dillon's papers by year, 2012 to 2023

Topics Dr. Dillon writes about most

  • Femoracetabular Impingement
  • Hip Joint
  • Magnetic Resonance Imaging
  • Plastic Surgery Procedures

Dr. Dillon's most frequent co-authors

Recent publications by Dr. Dillon

See all 11 publications and co-authors

See who Dr. Dillon researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dillon 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. Alexander Balcar Dillon received $4,926 in industry payments from 2020 to 2025

CMS Open Payments shows 42 general payments to Dr. Dillon from 8 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 46% of the total. Genentech, Inc. paid the most, $3,372.

General payments to Dr. Dillon by program year, 2020 to 2025

General payments to Dr. Dillon by kind, 2020 to 2025

$4.9Kin total
  • Food and beverage$2,26746%
  • Consulting fees$2,21045%
  • Travel and lodging$4499%

Companies that paid Dr. Dillon the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Dillon

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

Dr. Alexander Balcar Dillon graduated from New York University School of Medicine

Dr. Dillon graduated from New York University School of Medicine in 2015.

  1. Medical schoolNew York University School of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Alexander Balcar Dillon accepts plans from 15 insurance carriers

Dr. Dillon is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Kaiser Permanente
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Dillon accepts, by number of carriers

  1. PPO8
  2. HMO7
  3. Medicare7
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Alexander Balcar Dillon'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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician 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)
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. Alexander Balcar Dillon

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. Alexander Balcar Dillon's NPI number?

Dr. Alexander Balcar Dillon's NPI number is 1699120212. It was assigned on May 2, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Alexander Balcar Dillon?

Dr. Alexander Balcar Dillon is an ophthalmologist in Vallejo, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Alexander Balcar Dillon practice?

Dr. Dillon practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Dillon's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Dillon to 3 medical groups, 1 home health agency and 1 hospice.

What is Dr. Alexander Balcar Dillon's office phone number?

The practice phone on file for Dr. Dillon is (707) 651-1000.

What is Dr. Alexander Balcar Dillon's medical license number?

Dr. Dillon holds California license A168691.

Which hospitals is Dr. Alexander Balcar Dillon affiliated with?

Dr. Dillon practices at Vallejo Medical Center in Vallejo, California. Dr. Dillon is also affiliated with Providence Holy Family Hospital.

What medical group is Dr. Alexander Balcar Dillon part of?

Dr. Dillon is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Dillon to 3 more medical groups.

Does Dr. Alexander Balcar Dillon accept Medicare?

Yes. CMS data shows Dr. Dillon billed Medicare for 2,198 services in 2024, and Dr. Dillon accepts Medicare assignment.

What is Dr. Alexander Balcar Dillon's MIPS score?

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

How many Medicare patients does Dr. Alexander Balcar Dillon see?

CMS counts 192 Medicare patients who saw Dr. Dillon in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Dr. Alexander Balcar Dillon board certified?

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

What services does Dr. Alexander Balcar Dillon bill to Medicare?

In 2024, Dr. Dillon's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and office visit, established patient (99213).

Where did Dr. Alexander Balcar Dillon go to medical school?

Dr. Dillon graduated from New York University School of Medicine in 2015.

What drugs does Dr. Alexander Balcar Dillon prescribe most?

In 2024 Medicare Part D data, Dr. Dillon's most prescribed drugs by claims were Prednisolone Acetate, Ketorolac Tromethamine and Brimonidine Tartrate.

Has Dr. Alexander Balcar Dillon received payments from drug or device companies?

CMS Open Payments shows $4,926 in general payments to Dr. Dillon from 8 companies from 2020 to 2025. The largest total came from Genentech, Inc.

How long has Dr. Alexander Balcar Dillon been practicing?

Dr. Dillon graduated from medical school in 2015, 11 years ago.

Does Dr. Alexander Balcar Dillon do research?

Dmand AI links 11 publications to Dr. Dillon, published from 2012 to 2023.

Who does Dr. Alexander Balcar Dillon publish with?

Dr. Dillon's most frequent co-authors are Thomas M. Link, MD (3 shared papers), Kyle Davis Kovacs, MD (2 shared papers) and Anton Orlin, MD (2 shared papers).

What insurance does Dr. Alexander Balcar Dillon accept?

Dr. Dillon is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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