Dr. David Tom, MD

  • Hamden, CT
  • Ophthalmologist
NPI1437184298
Medicare services, 2024
14,800
Medicare patients, 2024
1,263
Part D claims, 2024
151
Industry payments
$2,252
State licenses
2
Practice address
2200 Whitney Ave, Hamden, CT 06518
Practice phone
Call (203) 574-2020
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Refocus Surgery Centers, LLC

Hamden, Connecticut

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Dr. David Tom is an ophthalmologist in Hamden, Connecticut

Dr. Tom practices at Refocus Surgery Centers, LLC in Hamden, Connecticut.

Dr. Tom's NPI, 1437184298, was assigned on July 11, 2006. Dr. Tom graduated from George Washington University School of Medicine in 1991. Dr. Tom holds Connecticut license 036088.

NPI and contact details
NPI enumeration date
July 11, 2006
NPI status
Active
Practice phone
(203) 574-2020
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
61
Medical school graduation
1991

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

Dr. David Tom practices at Refocus Surgery Centers, LLC in Hamden, Connecticut

Dr. Tom's primary practice is Refocus Surgery Centers, LLC, at 2200 Whitney Ave, Hamden, CT 06518 in South Central Ct County. The practice phone is (203) 574-2020.

  • Refocus Surgery Centers, LLC
    2200 Whitney Ave, Hamden, CT 06518 · South Central Ct CountyPhone(203) 574-2020

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

Dr. David Tom is affiliated with 1 site of care

Dr. Tom's primary practice is Refocus Surgery Centers, LLC in Hamden, Connecticut.

Refocus Surgery Centers, LLCHamden, ConnecticutPrimary

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

Dmand AI tracks the EHR system at Dr. David Tom's practice

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

EHR by site
SiteEHR vendor and product
Refocus Surgery Centers, LLCAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David Tom is one of 259 ophthalmologists in Connecticut

Ophthalmology is Dr. Tom's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Tom's licenses on file in 2 states: Connecticut and New York.

Specialties and state licenses

  • Ophthalmology, ConnecticutPrimaryLicense 036088 · taxonomy 207W00000X
  • New York licenseLicense 200507-1

Ophthalmologists near Dr. Tom

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

259ophthalmologists in Connecticut
2ophthalmologists in Hamden

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

Dr. David Tom billed Medicare for 14,800 services in 2024

CMS data shows 14,800 Medicare services from Dr. Tom across 20 procedure codes in 2024, for 1,263 Medicare patients. Medicare paid $2,102,040 for them. Every service was in an office.

Medicare services, 202414,800
Medicare patients1,263
Paid by Medicare$2.1M
Procedure codes20

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

  • 2023
  • 2024
Drugs given in the office
2023: 6,6832024: 7,85918%
Tests and treatments
2023: 5,3252024: 4,24220%
Office and hospital visits
2023: 1,4342024: 1,28710%
Surgery
2023: 1,6432024: 1,26823%
Other services
2023: 02024: 87
Imaging
2023: 792024: 5728%

Dr. Tom compared with the Connecticut median for ophthalmologists, 2024

  • Dr. Tom
  • Connecticut median
Medicare services
14,800vs 1,15012.9 times
Medicare patients
1,263vs 4722.7 times
Part D claims
103vs 66484% below

Medians across 287 ophthalmologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Tom'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. David Tom treated 1,263 Medicare patients in 2024, average age 80

CMS counts 1,263 Medicare patients who saw Dr. Tom in 2024. The largest group is 75 to 84, with 509 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tom's median patient age at 77, with 51% women.

Medicare patients, 20241,263
Average age80
Average risk score1.38
Also on Medicaid9%

Dr. Tom's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tom's Medicare patients by sex, 2024

  • Women76761%
  • Men49639%

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

  1. High cholesterol75%
  2. High blood pressure74%
  3. Arthritis47%
  4. Ischemic heart disease28%
  5. Diabetes25%
  6. Atrial fibrillation23%
  7. Osteoporosis23%
  8. Anxiety21%

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

Dr. Tom's 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

  • Women51%
  • Men46%

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

Dr. David Tom wrote 151 Medicare Part D claims in 2024

In 2024, Dr. Tom wrote 151 Medicare Part D claims for 60 patients. 66% of them were for generic drugs. CMS names the drug for 103 of them, across 2 drugs with 11 or more claims each, at $2,463 in total drug cost. In 2023, CMS named 168 claims across 4 drugs.

Part D claims, 2024151
Drugs named by CMS2
Total drug cost$2,463
Part D patients60

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

  • Generic99 claims66%
  • Brand-name52 claims34%

Dr. Tom'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: 1682024: 10339%

Drugs named by CMS: 2 in 2024, 4 in 2023.

See all prescribing by Dr. Tom

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

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Dr. David Tom received $2,252 in industry payments from 2016 to 2025

CMS Open Payments shows 88 general payments to Dr. Tom from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $700.

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

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

$2.3Kin total
  • Food and beverage$2,22099%
  • Gifts$191%
  • Education$131%

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

Share is of all general payments to this clinician.

See all payments to Dr. Tom

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

Dr. David Tom graduated from George Washington University School of Medicine

Dr. Tom graduated from George Washington University School of Medicine in 1991.

  1. Medical schoolGeorge Washington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. David Tom'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 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. David Tom

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. David Tom's NPI number?

Dr. David Tom's NPI number is 1437184298. It was assigned on July 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David Tom?

Dr. David Tom is an ophthalmologist in Hamden, Connecticut. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. David Tom practice?

Dr. Tom practices at 2200 Whitney Ave, Hamden, CT 06518. Dr. Tom's primary practice is Refocus Surgery Centers, LLC in Hamden, Connecticut.

What is Dr. David Tom's office phone number?

The practice phone on file for Dr. Tom is (203) 574-2020.

What is Dr. David Tom's medical license number?

Dr. Tom holds Connecticut license 036088, one of the licenses on file in 2 states.

Which states has Dr. David Tom been licensed in?

Dmand AI has state licenses on file for Dr. Tom in Connecticut and New York.

Does Dr. David Tom accept Medicare?

Yes. CMS data shows Dr. Tom billed Medicare for 14,800 services in 2024.

How many Medicare patients does Dr. David Tom see?

CMS counts 1,263 Medicare patients who saw Dr. Tom in 2024, with an average age of 80.

What services does Dr. David Tom bill to Medicare?

In 2024, Dr. Tom's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and injected or infused drug (J0178).

Where did Dr. David Tom go to medical school?

Dr. Tom graduated from George Washington University School of Medicine in 1991.

Show 3 more questionsShow fewer questions

What drugs does Dr. David Tom prescribe most?

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

Has Dr. David Tom received payments from drug or device companies?

CMS Open Payments shows $2,252 in general payments to Dr. Tom from 11 companies from 2016 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.

How long has Dr. David Tom been practicing?

Dr. Tom graduated from medical school in 1991, 35 years ago.

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