Dr. John Danias, MD, PhD

  • Brooklyn, NY
  • Ophthalmologist
NPI1780645473PAC ID7113023516
Medicare services, 2024
443
Medicare patients, 2024
111
Part D claims, 2024
2,091
Publications
39
Hospital affiliations
1
Practice address
185 Montague St, Brooklyn, NY 11201
Practice phone
Call (718) 270-1714
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Downstate Health Physicians

Brooklyn, New York

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Dr. John Danias is an ophthalmologist in Brooklyn, New York

Dr. Danias practices at Downstate Health Physicians in Brooklyn, New York.

Dr. Danias' NPI, 1780645473, was assigned on March 31, 2006. Dr. Danias holds New York license 204603.

NPI and contact details
Medicare PAC ID
7113023516
NPI enumeration date
March 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(718) 270-1714
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

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

Dr. John Danias practices at Downstate Health Physicians in Brooklyn, New York

Dr. Danias' primary practice is Downstate Health Physicians, at 185 Montague St, Brooklyn, NY 11201 in Kings County. The practice phone is (718) 270-1714.

  • Downstate Health Physicians
    185 Montague St, Brooklyn, NY 11201 · Kings CountyPhone(718) 270-1714

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

Dr. John Danias is affiliated with 3 sites of care and 1 medical group

Dr. Danias' primary practice is Downstate Health Physicians in Brooklyn, New York. Dr. Danias is also affiliated with Maimonides Midwood Community Hospital. The medical group on file is Downstate Health Physicians. Dmand AI also links Dr. Danias to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Danias

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

Dmand AI tracks the EHR system at Dr. John Danias' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Danias practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Downstate Health PhysiciansAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Danias is one of 1,467 ophthalmologists in New York

Ophthalmology is Dr. Danias' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Danias is licensed in New York.

Specialties and state licenses

  • Ophthalmology, New YorkPrimaryLicense 204603 · taxonomy 207W00000X

Ophthalmologists near Dr. Danias

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. John Danias billed Medicare for 443 services in 2024

CMS data shows 443 Medicare services from Dr. Danias across 8 procedure codes in 2024, for 111 Medicare patients. Medicare paid $23,382 for them. Every service was in an office.

Medicare services, 2024443
Medicare patients111
Paid by Medicare$23,382
Procedure codes8

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

  • 2023
  • 2024
Tests and treatments
2023: 2952024: 24019%
Office and hospital visits
2023: 2082024: 1918%
Imaging
2023: 142024: 1214%

Dr. Danias compared with the New York median for ophthalmologists, 2024

  • Dr. Danias
  • New York median
Medicare services
443vs 1,25865% below
Medicare patients
111vs 43675% below
Part D claims
2,020vs 6473.1 times

Medians across 1,557 ophthalmologists in New York with Dmand AI profiles that report each measure.

Dr. Danias' 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. Danias

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

Dr. John Danias treated 111 Medicare patients in 2024, average age 77

CMS counts 111 Medicare patients who saw Dr. Danias in 2024. The largest group is 75 to 84, with 49 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Danias' median patient age at 71, with 52% women.

Medicare patients, 2024111
Average age77
Average risk score1.07
Also on Medicaid23%

Dr. Danias' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Danias' Medicare patients by sex, 2024

  • Women6458%
  • Men4742%

Chronic conditions among Dr. Danias' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis43%
  4. Diabetes41%
  5. Ischemic heart disease27%
  6. Osteoporosis22%
  7. Cancer21%
  8. Chronic kidney disease14%

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

Dr. Danias' 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

  • Women52%
  • Men46%

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

Dr. John Danias wrote 2,091 Medicare Part D claims in 2024

In 2024, Dr. Danias wrote 2,091 Medicare Part D claims for 216 patients. 61% of them were for generic drugs. CMS names the drug for 2,020 of them, across 23 drugs with 11 or more claims each, at $212,387 in total drug cost. In 2023, CMS named 2,079 claims across 23 drugs.

Part D claims, 20242,091
Drugs named by CMS23
Total drug cost$212,387
Part D patients216

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

  • Generic1,274 claims61%
  • Brand-name817 claims39%

Dr. Danias' 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: 2,0792024: 2,0203%

Drugs named by CMS: 23 in 2024, 23 in 2023.

See all prescribing by Dr. Danias

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. John Danias takes part in Medicare

Dr. Danias 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. John Danias has 39 publications on record

Dmand AI links 39 papers to Dr. Danias, published from 2011 to 2025. 2015 was the busiest year, with 5. The most frequent topics are Intraocular Pressure, Glaucoma and Trabecular Meshwork. Dr. Danias has published most often in Invest Ophthalmol Vis Sci. Dr. Danias' most frequent co-authors are Konstantin V. Astafurov, MD, PhD, Sandeep Kumar, MD and Cecilia Qianwen Dong, MD.

Papers39
Years published2011 to 2025

Dr. Danias' papers by year, 2011 to 2025

Topics Dr. Danias writes about most

  • Intraocular Pressure
  • Glaucoma
  • Trabecular Meshwork
  • Disease Models, Animal
  • Mice, Inbred C57BL
  • Ocular Hypertension
  • Glaucoma, Open-Angle
  • Retinal Ganglion Cells

Dr. Danias' most frequent co-authors

Recent publications by Dr. Danias

See all 39 publications and co-authors

See who Dr. Danias researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Danias 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. John Danias received $2,032 in industry payments from 2017 to 2025

CMS Open Payments shows 25 general payments to Dr. Danias from 10 drug and device companies from 2017 to 2025. Speaker and faculty fees make up the largest share, 62% of the total. Bausch Health Americas, Inc. paid the most, $1,250.

General payments to Dr. Danias by program year, 2017 to 2025

General payments to Dr. Danias by kind, 2017 to 2025

$2Kin total
  • Speaker and faculty fees$1,25062%
  • Food and beverage$76338%
  • Gifts$191%

Companies that paid Dr. Danias the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Danias

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

Sources for Dr. John Danias'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)
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)
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. John Danias

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. John Danias' NPI number?

Dr. John Danias' NPI number is 1780645473. It was assigned on March 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Danias?

Dr. John Danias is an ophthalmologist in Brooklyn, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. John Danias practice?

Dr. Danias practices at 185 Montague St, Brooklyn, NY 11201. Dr. Danias' primary practice is Downstate Health Physicians in Brooklyn, New York. Dmand AI also links Dr. Danias to 1 group practice or clinic.

What is Dr. John Danias' office phone number?

The practice phone on file for Dr. Danias is (718) 270-1714.

What is Dr. John Danias' medical license number?

Dr. Danias holds New York license 204603.

Which hospitals is Dr. John Danias affiliated with?

Dr. Danias is affiliated with Maimonides Midwood Community Hospital.

What medical group is Dr. John Danias part of?

Dr. Danias is linked to Downstate Health Physicians.

Does Dr. John Danias accept Medicare?

Yes. CMS data shows Dr. Danias billed Medicare for 443 services in 2024, and Dr. Danias accepts Medicare assignment.

How many Medicare patients does Dr. John Danias see?

CMS counts 111 Medicare patients who saw Dr. Danias in 2024, with an average age of 77.

What services does Dr. John Danias bill to Medicare?

In 2024, Dr. Danias' most billed Medicare services were office visit, established patient (99213), eye exam or test (92083) and eye exam or test (92133).

Show 5 more questionsShow fewer questions

What drugs does Dr. John Danias prescribe most?

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

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

CMS Open Payments shows $2,032 in general payments to Dr. Danias from 10 companies from 2017 to 2025. The largest total came from Bausch Health Americas, Inc.

How long has Dr. John Danias been practicing?

Dr. Danias graduated from medical school in 1989, 37 years ago.

Does Dr. John Danias do research?

Dmand AI links 39 publications to Dr. Danias, published from 2011 to 2025.

Who does Dr. John Danias publish with?

Dr. Danias' most frequent co-authors are Konstantin V. Astafurov, MD, PhD (4 shared papers), Sandeep Kumar, MD (4 shared papers) and Cecilia Qianwen Dong, MD (3 shared papers).

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