Dr. David Thomas Greco, MD
- Medicare services, 2024
- 1,219
- Medicare patients, 2024
- 582
- Part D claims, 2024
- 2,206
- Hospital affiliations
- 1
- Industry payments
- $181,702
- Practice address
- 100 Reserve Rd, Danbury, CT 06810
- Practice phone
- Call (203) 739-7742
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nuvance Health Medical Practice CT, Inc.
Danbury, Connecticut
Find Dr. Greco'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.
Dr. David Thomas Greco is a neurologist in Danbury, Connecticut
Dr. Greco practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut.
Dr. Greco's NPI, 1740285204, was assigned on June 20, 2005. Dr. Greco graduated from Drexel University College of Medicine/Hahnemann University in 1997. Dr. Greco holds Connecticut license CT040535.
- NPI
- 1740285204NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133279813
- NPI enumeration date
- June 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 739-7742
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Thomas Greco practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut
Dr. Greco's primary practice is Nuvance Health Medical Practice CT, Inc., at 100 Reserve Rd, Danbury, CT 06810 in Western Ct County. The practice phone is (203) 739-7742.
- Nuvance Health Medical Practice CT, Inc.100 Reserve Rd, Danbury, CT 06810 · Western Ct CountyPhone(203) 739-7742
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Thomas Greco is affiliated with 4 sites of care and 2 medical groups
Dr. Greco's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. Dr. Greco is also affiliated with Northwell Danbury Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Greco to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Thomas Greco's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greco practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nuvance Health Medical Practice CT, Inc. | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Thomas Greco is one of 302 neurologists in Connecticut
Neurology is Dr. Greco's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Greco is licensed in Connecticut.
Specialties and state licenses
- Neurology, ConnecticutPrimary
Neurologists near Dr. Greco
Counts of neurologists 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. David Thomas Greco billed Medicare for 1,219 services in 2024
CMS data shows 1,219 Medicare services from Dr. Greco across 13 procedure codes in 2024, for 582 Medicare patients. Medicare paid $101,468 for them.
Dr. Greco's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9282024: 9013%
- Other services
- 2023: 02024: 269
- Tests and treatments
- 2023: 1032024: 4952%
Where Dr. Greco's Medicare services took place, 2024
- In an office81367%
- In a facility40633%
Dr. Greco compared with the Connecticut median for neurologists, 2024
- Dr. Greco
- Connecticut median
- Medicare services
- 1,219vs 2235.5 times
- Medicare patients
- 582vs 1573.7 times
- Part D claims
- 1,965vs 2418.2 times
Medians across 293 neurologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Greco'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greco and other neurologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Thomas Greco treated 582 Medicare patients in 2024, average age 76
CMS counts 582 Medicare patients who saw Dr. Greco in 2024. The largest group is 75 to 84, with 231 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Greco's median patient age at 67, with 59% women.
Dr. Greco's Medicare patients by age, 2024
Dr. Greco's Medicare patients by sex, 2024
- Women32155%
- Men26145%
Chronic conditions among Dr. Greco's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Anxiety39%
- Mood disorders38%
- Stroke or TIA33%
- Depression32%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greco'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
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Thomas Greco wrote 2,206 Medicare Part D claims in 2024
In 2024, Dr. Greco wrote 2,206 Medicare Part D claims for 447 patients. 91% of them were for generic drugs. CMS names the drug for 1,965 of them, across 48 drugs with 11 or more claims each, at $819,765 in total drug cost. In 2023, CMS named 1,831 claims across 44 drugs.
Dr. Greco's Part D claims by kind of drug, 2024
- Generic2,010 claims91%
- Brand-name180 claims8%
- Other16 claims1%
Dr. Greco'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.
Drug classes CMS tracks in Dr. Greco's Part D claims, 2024
- Antipsychotics, patients 65 and over2%35 of 2,206 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,8312024: 1,9657%
Drugs named by CMS: 48 in 2024, 44 in 2023.
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. David Thomas Greco offers telehealth to Medicare patients
Dr. Greco accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Greco as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David Thomas Greco received $181,702 in industry payments from 2016 to 2025
CMS Open Payments shows 752 general payments to Dr. Greco from 45 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 75% of the total. Biogen, Inc. paid the most, $66,858. It also lists 5 research payments totaling $2,127 in 2018.
General payments to Dr. Greco by program year, 2016 to 2025
General payments to Dr. Greco by kind, 2016 to 2025
- Speaker and faculty fees$135,97775%
- Consulting fees$30,05517%
- Food and beverage$9,8725%
- Travel and lodging$5,1103%
- Education$6880%
Companies that paid Dr. Greco the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Thomas Greco graduated from Drexel University College of Medicine/Hahnemann University
Dr. Greco graduated from Drexel University College of Medicine/Hahnemann University in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Thomas Greco's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David Thomas Greco
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 Thomas Greco's NPI number?
Dr. David Thomas Greco's NPI number is 1740285204. It was assigned on June 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David Thomas Greco?
Dr. David Thomas Greco is a neurologist in Danbury, Connecticut. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. David Thomas Greco practice?
Dr. Greco practices at 100 Reserve Rd, Danbury, CT 06810. Dr. Greco's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. Dmand AI also links Dr. Greco to 2 group practices and clinics and 1 medical group.
What is Dr. David Thomas Greco's office phone number?
The practice phone on file for Dr. Greco is (203) 739-7742.
What is Dr. David Thomas Greco's medical license number?
Dr. Greco holds Connecticut license CT040535.
Which hospitals is Dr. David Thomas Greco affiliated with?
Dr. Greco is affiliated with Northwell Danbury Hospital.
What medical group is Dr. David Thomas Greco part of?
Dr. Greco is linked to Danbury Medical Group. Dmand AI links Dr. Greco to 1 more medical group.
Does Dr. David Thomas Greco accept Medicare?
Yes. CMS data shows Dr. Greco billed Medicare for 1,219 services in 2024, and Dr. Greco accepts Medicare assignment.
Does Dr. David Thomas Greco offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Greco as offering telehealth services.
How many Medicare patients does Dr. David Thomas Greco see?
CMS counts 582 Medicare patients who saw Dr. Greco in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. David Thomas Greco bill to Medicare?
In 2024, Dr. Greco's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, new patient (99204).
Where did Dr. David Thomas Greco go to medical school?
Dr. Greco graduated from Drexel University College of Medicine/Hahnemann University in 1997.
What drugs does Dr. David Thomas Greco prescribe most?
In 2024 Medicare Part D data, Dr. Greco's most prescribed drugs by claims were Donepezil HCl, Gabapentin and Carbidopa-Levodopa.
Has Dr. David Thomas Greco received payments from drug or device companies?
CMS Open Payments shows $181,702 in general payments to Dr. Greco from 45 companies from 2016 to 2025. The largest total came from Biogen, Inc.
How long has Dr. David Thomas Greco been practicing?
Dr. Greco graduated from medical school in 1997, 29 years ago.
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