Dr. John Daniel Giannone, MD
- Medicare services, 2016
- 166
- Part D claims, 2024
- 94
- Industry payments
- $131
- Medical group
- 1
- State license
- 1
- Practice address
- 600 E 125th St, New York, NY 10035
- Practice phone
- Call (508) 460-3190
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Giannone'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. John Daniel Giannone is a psychiatrist in New York, New York
Dr. Giannone practices with Steward Medical Group, a medical group.
Dr. Giannone's NPI, 1194950337, was assigned on May 18, 2009. Dr. Giannone holds Massachusetts license 261076.
- NPI
- 1194950337NPI Registry (opens in a new tab)
- NPI enumeration date
- May 18, 2009
- NPI status
- Active
- Practice phone
- (508) 460-3190
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Daniel Giannone's practice address is in New York, New York
Dr. Giannone's practice address in the NPI Registry is 600 E 125th St, New York, NY 10035, in New York County. The practice phone is (508) 460-3190.
- NPI Registry address600 E 125th St, New York, NY 10035 · New York CountyPhone(508) 460-3190
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Daniel Giannone is affiliated with 1 medical group
Dr. Giannone is part of Steward Medical Group, a medical group in Watertown, Massachusetts.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Daniel Giannone's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Giannone practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Steward Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Steward Medical Group and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Daniel Giannone is one of 4,448 psychiatrists in New York
Psychiatry is Dr. Giannone's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Giannone is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Giannone
Counts of psychiatrists 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 Daniel Giannone billed Medicare for 166 services in 2016
CMS data shows 166 Medicare services from Dr. Giannone across 5 procedure codes in 2016. Medicare paid $8,829 for them.
Where Dr. Giannone's Medicare services took place, 2016
- In an office2213%
- In a facility14487%
Dr. Giannone compared with the New York median for psychiatrists, 2016
- Dr. Giannone
- New York median
- Medicare services
- 166vs 14217% above
- Part D claims
- 37vs 12470% below
Medians across 5,024 psychiatrists in New York with Dmand AI profiles that report each measure.
Dr. Giannone's most billed Medicare procedure codes, 2016
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. Giannone and other psychiatrists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Daniel Giannone wrote 94 Medicare Part D claims in 2024
In 2024, Dr. Giannone wrote 94 Medicare Part D claims. 88% of them were for generic drugs. CMS names the drug for 37 of them, across 3 drugs with 11 or more claims each, at $798 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Giannone's Part D claims by kind of drug, 2024
- Generic83 claims88%
- Brand-name11 claims12%
Dr. Giannone'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: 262024: 3742%
Drugs named by CMS: 3 in 2024, 2 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
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Dr. John Daniel Giannone received $131 in industry payments from 2023 to 2024
CMS Open Payments shows 2 general payments to Dr. Giannone from 2 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $110.
General payments to Dr. Giannone by program year, 2023 to 2024
Companies that paid Dr. Giannone the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Daniel Giannone'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 | Dmand 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 |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. John Daniel Giannone
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 Daniel Giannone's NPI number?
Dr. John Daniel Giannone's NPI number is 1194950337. It was assigned on May 18, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. John Daniel Giannone?
Dr. John Daniel Giannone is a psychiatrist in New York, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John Daniel Giannone practice?
Dr. Giannone practices at 600 E 125th St, New York, NY 10035. Dr. Giannone's primary practice is Steward Medical Group, a medical group.
What is Dr. John Daniel Giannone's office phone number?
The practice phone on file for Dr. Giannone is (508) 460-3190.
What is Dr. John Daniel Giannone's medical license number?
Dr. Giannone holds Massachusetts license 261076.
What medical group is Dr. John Daniel Giannone part of?
Dr. Giannone is part of Steward Medical Group in Watertown, Massachusetts.
Does Dr. John Daniel Giannone accept Medicare?
Yes. CMS data shows Dr. Giannone billed Medicare for 166 services in 2016.
What services does Dr. John Daniel Giannone bill to Medicare?
In 2016, Dr. Giannone's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99231) and office visit, established patient (99213).
What drugs does Dr. John Daniel Giannone prescribe most?
In 2024 Medicare Part D data, Dr. Giannone's most prescribed drugs by claims were Lithium Carbonate, Clozapine and Olanzapine ODT.
Has Dr. John Daniel Giannone received payments from drug or device companies?
CMS Open Payments shows $131 in general payments to Dr. Giannone from 2 companies from 2023 to 2024. The largest total came from Alkermes, Inc.
How long has Dr. John Daniel Giannone been practicing?
Dr. Giannone's NPI was assigned in 2009.
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