Dr. Calvin T. Eng, MD

  • Monterey Park, CA
  • Ophthalmologist
NPI1225039092PAC ID5294722740
Medicare services, 2024
1,322
Medicare patients, 2024
844
Part D claims, 2024
6,485
Industry payments
$2,809
Affiliated sites
4
Practice address
850 South Atlantic Blvd, Suite 201, Monterey Park, CA 91754
Practice phone
Call (626) 289-2894
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Plaza Surgical Center - Monterey Park

Surgery Center - Medicare-Certified · Monterey Park, California

See all 7 affiliations

Find Dr. Eng'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. Calvin T. Eng is an ophthalmologist in Monterey Park, California

Dr. Eng practices at Plaza Surgical Center - Monterey Park in Monterey Park, California.

Dr. Eng's NPI, 1225039092, was assigned on August 3, 2005. Dr. Eng graduated from UCSF School of Medicine in 1984. Dr. Eng holds California license G55239.

NPI and contact details
Medicare PAC ID
5294722740
NPI enumeration date
August 3, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(626) 289-2894
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
68
Medical school graduation
1984

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

Dr. Calvin T. Eng practices at Plaza Surgical Center - Monterey Park in Monterey Park, California

Dr. Eng's primary practice is Plaza Surgical Center - Monterey Park, at 850 South Atlantic Blvd, Suite 201, Monterey Park, CA 91754. The practice phone is (626) 289-2894.

  • Plaza Surgical Center - Monterey Park
    850 South Atlantic Blvd, Suite 201, Monterey Park, CA 91754Phone(626) 289-2894

Source: Dmand AI Affiliation Data

Dr. Calvin T. Eng is affiliated with 4 sites of care and 3 medical groups

Dr. Eng's primary practice is Plaza Surgical Center - Monterey Park in Monterey Park, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Eng to 3 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Eng

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

Dmand AI tracks the EHR system at Dr. Calvin T. Eng's practice

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

EHR by site
SiteEHR vendor and product
Plaza Surgical Center - Monterey ParkAvailable with a free account
+3 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 site where Dr. Eng practices

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

Dr. Calvin T. Eng is one of 2,621 ophthalmologists in California

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

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense G55239 · 1985 to 2027 · taxonomy 207W00000X

Clinical focus

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

Ophthalmologists near Dr. Eng

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. Calvin T. Eng billed Medicare for 1,322 services in 2024

CMS data shows 1,322 Medicare services from Dr. Eng across 9 procedure codes in 2024, for 844 Medicare patients. Medicare paid $148,727 for them.

Medicare services, 20241,322
Medicare patients844
Paid by Medicare$148,727
Procedure codes9

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

  • 2023
  • 2024
Tests and treatments
2023: 1,3652024: 1,20112%
Surgery
2023: 1342024: 9529%
Imaging
2023: 522024: 2650%

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

  • In an office1,24094%
  • In a facility826%

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

  • Dr. Eng
  • California median
Medicare services
1,322vs 1,07923% above
Medicare patients
844vs 4212.0 times
Part D claims
6,378vs 61810.3 times

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

Dr. Eng'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. Eng

Need commercial claims for Dr. Eng?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Eng 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. Calvin T. Eng treated 844 Medicare patients in 2024, average age 75

CMS counts 844 Medicare patients who saw Dr. Eng in 2024. The largest group is 65 to 74, with 392 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 73% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Eng's median patient age at 71, with 56% women.

Medicare patients, 2024844
Average age75
Average risk score1.21
Also on Medicaid73%

Dr. Eng's Medicare patients by age, 2024

Dr. Eng's Medicare patients by sex, 2024

  • Women51961%
  • Men32539%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes48%
  4. Arthritis42%
  5. Chronic kidney disease39%
  6. Osteoporosis33%
  7. Ischemic heart disease26%
  8. COPD18%

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

Dr. Eng'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

  • Women56%
  • Men43%

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

Dr. Calvin T. Eng wrote 6,485 Medicare Part D claims in 2024

In 2024, Dr. Eng wrote 6,485 Medicare Part D claims for 1,201 patients. 73% of them were for generic drugs. CMS names the drug for 6,378 of them, across 24 drugs with 11 or more claims each, at $301,010 in total drug cost. In 2023, CMS named 6,613 claims across 28 drugs.

Part D claims, 20246,485
Drugs named by CMS24
Total drug cost$301,010
Part D patients1,201

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

  • Generic4,754 claims73%
  • Brand-name1,731 claims27%

Dr. Eng'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: 6,6132024: 6,3784%

Drugs named by CMS: 24 in 2024, 28 in 2023.

See all prescribing by Dr. Eng

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. Calvin T. Eng ranks in the 76th percentile for cataract surgery in Medicare

Dr. Eng accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 111 procedures of cataract surgery by Dr. Eng, more than 76% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Eng ranks in Medicare procedure volume

Cataract surgery
76th percentile111 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

For MedTech and pharma teams

Find ophthalmologists like Dr. Eng 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. Calvin T. Eng received $2,809 in industry payments from 2016 to 2025

CMS Open Payments shows 71 general payments to Dr. Eng from 18 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, $991.

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

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

$2.8Kin total
  • Food and beverage$2,77899%
  • Gifts$191%
  • Travel and lodging$120%

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

Share is of all general payments to this clinician.

See all payments to Dr. Eng

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

Dr. Calvin T. Eng has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Eng.

Awards and honors for Dr. Eng

  1. Undated
    • AAO Fellow
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Calvin T. Eng graduated from UCSF School of Medicine

Dr. Eng graduated from UCSF School of Medicine in 1984. Dr. Eng is a member of AAO.

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

Source: Dmand AI Professional Profile Data

Dr. Calvin T. Eng accepts plans from 21 insurance carriers

Dr. Eng is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. HMO plans come from the most carriers, 14. Check the plan with the practice before a visit.

Plan types Dr. Eng accepts, by number of carriers

  1. HMO14
  2. Medicare11
  3. PPO11
  4. POS6
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Calvin T. Eng'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)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. Calvin T. Eng

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. Calvin T. Eng's NPI number?

Dr. Calvin T. Eng's NPI number is 1225039092. It was assigned on August 3, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Calvin T. Eng?

Dr. Calvin T. Eng is an ophthalmologist in Monterey Park, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Calvin T. Eng practice?

Dr. Eng practices at 850 South Atlantic Blvd, Suite 201, Monterey Park, CA 91754. Dr. Eng's primary practice is Plaza Surgical Center - Monterey Park in Monterey Park, California. Dmand AI also links Dr. Eng to 3 group practices and clinics and 2 medical groups.

What is Dr. Calvin T. Eng's office phone number?

The practice phone on file for Dr. Eng is (626) 289-2894.

What is Dr. Calvin T. Eng's medical license number?

Dr. Eng holds California license G55239.

What medical group is Dr. Calvin T. Eng part of?

Dr. Eng is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Eng to 2 more medical groups.

Does Dr. Calvin T. Eng accept Medicare?

Yes. CMS data shows Dr. Eng billed Medicare for 1,322 services in 2024, and Dr. Eng accepts Medicare assignment.

How many Medicare patients does Dr. Calvin T. Eng see?

CMS counts 844 Medicare patients who saw Dr. Eng in 2024, with an average age of 75.

Is Dr. Calvin T. Eng board certified?

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

What services does Dr. Calvin T. Eng bill to Medicare?

In 2024, Dr. Eng's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92004).

Show 5 more questionsShow fewer questions

Where did Dr. Calvin T. Eng go to medical school?

Dr. Eng graduated from UCSF School of Medicine in 1984.

What drugs does Dr. Calvin T. Eng prescribe most?

In 2024 Medicare Part D data, Dr. Eng's most prescribed drugs by claims were Azelastine HCl, Latanoprost and Prednisolone Acetate.

Has Dr. Calvin T. Eng received payments from drug or device companies?

CMS Open Payments shows $2,809 in general payments to Dr. Eng from 18 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Calvin T. Eng been practicing?

Dr. Eng graduated from medical school in 1984, 42 years ago.

What insurance does Dr. Calvin T. Eng accept?

Dr. Eng is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. HMO plans come from the most carriers, 14. 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)