Dr. Gary Joseph Guarnaccia, MD
- Medicare services, 2023
- 1,036
- Part D claims, 2024
- 67
- Industry payments
- $225
- Affiliated sites
- 2
- State licenses
- 2
- Practice address
- 251 E 33rd St, New York, NY 10016
- Practice phone
- Call (212) 336-3827
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Manhattan Medical Associates
New York, New York
Find Dr. Guarnaccia's professional email, personal email and mobile number
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Dr. Gary Joseph Guarnaccia is a gynecology physician in New York, New York
Dr. Guarnaccia practices at Manhattan Medical Associates in New York, New York.
Dr. Guarnaccia's NPI, 1568458032, was assigned on September 21, 2005. Dr. Guarnaccia graduated from Rutgers New Jersey Medical School in 1974. Dr. Guarnaccia holds New York license 124783.
- NPI
- 1568458032NPI Registry (opens in a new tab)
- NPI enumeration date
- September 21, 2005
- NPI status
- Active
- Practice phone
- (212) 336-3827
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gary Joseph Guarnaccia practices at Manhattan Medical Associates in New York, New York
Dr. Guarnaccia's primary practice is Manhattan Medical Associates, at 251 E 33rd St, New York, NY 10016 in New York County. The practice phone is (212) 336-3827.
- Manhattan Medical Associates251 E 33rd St, New York, NY 10016 · New York CountyPhone(212) 336-3827
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary Joseph Guarnaccia is affiliated with 3 sites of care
Dr. Guarnaccia's primary practice is Manhattan Medical Associates in New York, New York. Dmand AI also links Dr. Guarnaccia to 2 physician offices, 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. Gary Joseph Guarnaccia's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guarnaccia practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manhattan Medical Associates | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary Joseph Guarnaccia is one of 261 gynecology physicians in New York
Gynecology is Dr. Guarnaccia's primary specialty in the NPI Registry, under taxonomy code 207VG0400X. Dmand AI has Dr. Guarnaccia's licenses on file in 2 states: New York and New Jersey.
Specialties and state licenses
- Gynecology, New YorkPrimary
- General practice, New Jersey
Gynecology physicians near Dr. Guarnaccia
Counts of gynecology physicians 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. Gary Joseph Guarnaccia billed Medicare for 1,036 services in 2023
CMS data shows 1,036 Medicare services from Dr. Guarnaccia across 3 procedure codes in 2023. Medicare paid $228,492 for them. Every service was in an office.
Dr. Guarnaccia's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Other services
- 2022: 3,0812023: 77675%
- Office and hospital visits
- 2022: 942023: 260177%
- Tests and treatments
- 2022: 4742023: 0100%
Dr. Guarnaccia compared with the New York median for gynecology physicians, 2023
- Dr. Guarnaccia
- New York median
- Medicare services
- 1,036vs 1427.3 times
- Part D claims
- 28vs 5044% below
Medians across 245 gynecology physicians in New York with Dmand AI profiles that report each measure.
Dr. Guarnaccia's most billed Medicare procedure codes, 2023
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. Guarnaccia and other gynecology physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary Joseph Guarnaccia's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Guarnaccia's median patient age at 53, with 30% women.
Dr. Guarnaccia's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women30%
- Men65%
Source: Dmand AI Patient Panel Data
Dr. Gary Joseph Guarnaccia wrote 67 Medicare Part D claims in 2024
In 2024, Dr. Guarnaccia wrote 67 Medicare Part D claims. 81% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $479 in total drug cost. In 2021, CMS named 30 claims across 2 drugs.
Dr. Guarnaccia's Part D claims by kind of drug, 2024
- Generic54 claims81%
- Brand-name13 claims19%
Dr. Guarnaccia's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 302022: 287%
Drugs named by CMS: 2 in 2022, 2 in 2021.
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. Gary Joseph Guarnaccia received $225 in industry payments from 2016 to 2020
CMS Open Payments shows 16 general payments to Dr. Guarnaccia from 5 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Perrigo Company plc paid the most, $125.
General payments to Dr. Guarnaccia by program year, 2016 to 2020
Companies that paid Dr. Guarnaccia the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary Joseph Guarnaccia graduated from Rutgers New Jersey Medical School
Dr. Guarnaccia graduated from Rutgers New Jersey Medical School in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary Joseph Guarnaccia'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 Data |
| 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) |
| 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. Gary Joseph Guarnaccia
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. Gary Joseph Guarnaccia's NPI number?
Dr. Gary Joseph Guarnaccia's NPI number is 1568458032. It was assigned on September 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary Joseph Guarnaccia?
Dr. Gary Joseph Guarnaccia is a gynecology physician in New York, New York. The primary specialty in the NPI Registry is Gynecology Physician (taxonomy code 207VG0400X).
Where does Dr. Gary Joseph Guarnaccia practice?
Dr. Guarnaccia practices at 251 E 33rd St, New York, NY 10016. Dr. Guarnaccia's primary practice is Manhattan Medical Associates in New York, New York. Dmand AI also links Dr. Guarnaccia to 2 physician offices.
What is Dr. Gary Joseph Guarnaccia's office phone number?
The practice phone on file for Dr. Guarnaccia is (212) 336-3827.
What is Dr. Gary Joseph Guarnaccia's medical license number?
Dr. Guarnaccia holds New York license 124783, one of the licenses on file in 2 states.
Which states has Dr. Gary Joseph Guarnaccia been licensed in?
Dmand AI has state licenses on file for Dr. Guarnaccia in New York and New Jersey.
Does Dr. Gary Joseph Guarnaccia accept Medicare?
Yes. CMS data shows Dr. Guarnaccia billed Medicare for 1,036 services in 2023.
What services does Dr. Gary Joseph Guarnaccia bill to Medicare?
In 2023, Dr. Guarnaccia's most billed Medicare services were emerging technology (0101T), office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. Gary Joseph Guarnaccia go to medical school?
Dr. Guarnaccia graduated from Rutgers New Jersey Medical School in 1974.
What drugs does Dr. Gary Joseph Guarnaccia prescribe most?
In 2022 Medicare Part D data, Dr. Guarnaccia's most prescribed drugs by claims were Valacyclovir and Sildenafil Citrate.
Has Dr. Gary Joseph Guarnaccia received payments from drug or device companies?
CMS Open Payments shows $225 in general payments to Dr. Guarnaccia from 5 companies from 2016 to 2020. The largest total came from Perrigo Company plc.
How long has Dr. Gary Joseph Guarnaccia been practicing?
Dr. Guarnaccia graduated from medical school in 1974, 52 years ago.
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