Dr. George S. Giannikas, MD
- Medicare services, 2024
- 4,031
- Medicare patients, 2024
- 181
- Part D claims, 2024
- 3,502
- Industry payments
- $177
- Affiliated sites
- 5
- Practice address
- 246-7 136th Rd, Rosedale, NY 11422
- Practice phone
- Call (718) 276-7935
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Expert Medical Services
Rosedale, New York
Find Dr. Giannikas' 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. George S. Giannikas is a general surgeon in Rosedale, New York
Dr. Giannikas practices at Expert Medical Services in Rosedale, New York.
Dr. Giannikas' NPI, 1386680338, was assigned on June 20, 2006. Dr. Giannikas holds New York license 1575261.
- NPI
- 1386680338NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476513300
- NPI enumeration date
- June 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 276-7935
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. George S. Giannikas practices at Expert Medical Services in Rosedale, New York
Dr. Giannikas' primary practice is Expert Medical Services, at 246-7 136th Rd, Rosedale, NY 11422 in Queens County. The practice phone is (718) 276-7935.
- Expert Medical Services246-7 136th Rd, Rosedale, NY 11422 · Queens CountyPhone(718) 276-7935
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. George S. Giannikas is affiliated with 6 sites of care and 2 medical groups
Dr. Giannikas' primary practice is Expert Medical Services in Rosedale, New York. The medical group on file is Expert Medical Services. Dmand AI also links Dr. Giannikas to 3 more home health agencies, 1 physician office, 1 group practice or clinic 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. George S. Giannikas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Giannikas practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Expert Medical Services | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. George S. Giannikas is one of 1,604 general surgeons in New York
Surgery is Dr. Giannikas' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Giannikas is licensed in New York.
Specialties and state licenses
- Surgery, New YorkPrimary
General surgeons near Dr. Giannikas
Counts of general surgeons 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. George S. Giannikas billed Medicare for 4,031 services in 2024
CMS data shows 4,031 Medicare services from Dr. Giannikas across 8 procedure codes in 2024, for 181 Medicare patients. Medicare paid $342,874 for them. Every service was in an office.
Dr. Giannikas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3,3232024: 3,95019%
- Other services
- 2023: 472024: 4113%
- Tests and treatments
- 2023: 472024: 4015%
Dr. Giannikas compared with the New York median for general surgeons, 2024
- Dr. Giannikas
- New York median
- Medicare services
- 4,031vs 15426.2 times
- Medicare patients
- 181vs 10966% above
- Part D claims
- 2,882vs 24120.1 times
Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.
Dr. Giannikas' 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. Giannikas and other general surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. George S. Giannikas treated 181 Medicare patients in 2024, average age 80
CMS counts 181 Medicare patients who saw Dr. Giannikas in 2024. The largest group is 85 and over, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 78% are also on Medicaid. Their average risk score is 2.46, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Giannikas' median patient age at 82, with 68% women.
Dr. Giannikas' Medicare patients by age, 2024
Dr. Giannikas' Medicare patients by sex, 2024
- Women12670%
- Men5530%
Chronic conditions among Dr. Giannikas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Diabetes55%
- Mood disorders50%
- Depression47%
- Alzheimer's and dementia43%
- Ischemic heart disease43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Giannikas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 82
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. George S. Giannikas wrote 3,502 Medicare Part D claims in 2024
In 2024, Dr. Giannikas wrote 3,502 Medicare Part D claims for 265 patients. 83% of them were for generic drugs. CMS names the drug for 2,882 of them, across 81 drugs with 11 or more claims each, at $219,937 in total drug cost. In 2023, CMS named 3,842 claims across 91 drugs.
Dr. Giannikas' Part D claims by kind of drug, 2024
- Generic2,923 claims83%
- Brand-name515 claims15%
- Other64 claims2%
Dr. Giannikas' 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. Giannikas' Part D claims, 2024
- Antibiotics5%165 of 3,502 claims
- Antipsychotics, patients 65 and over3%91 of 3,502 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: 3,8422024: 2,88225%
Drugs named by CMS: 81 in 2024, 91 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. George S. Giannikas offers telehealth to Medicare patients
Dr. Giannikas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Giannikas as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Colonoscopy: 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. George S. Giannikas received $177 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. Giannikas from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $94.
General payments to Dr. Giannikas by program year, 2017 to 2018
Companies that paid Dr. Giannikas the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. George S. Giannikas'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)Doctors and Clinicians Utilization Data (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. George S. Giannikas
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. George S. Giannikas' NPI number?
Dr. George S. Giannikas' NPI number is 1386680338. It was assigned on June 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. George S. Giannikas?
Dr. George S. Giannikas is a general surgeon in Rosedale, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. George S. Giannikas practice?
Dr. Giannikas practices at 246-7 136th Rd, Rosedale, NY 11422. Dr. Giannikas' primary practice is Expert Medical Services in Rosedale, New York. Dmand AI also links Dr. Giannikas to 3 home health agencies, 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. George S. Giannikas' office phone number?
The practice phone on file for Dr. Giannikas is (718) 276-7935.
What is Dr. George S. Giannikas' medical license number?
Dr. Giannikas holds New York license 1575261.
What medical group is Dr. George S. Giannikas part of?
Dr. Giannikas is linked to Expert Medical Services. Dmand AI links Dr. Giannikas to 1 more medical group.
Does Dr. George S. Giannikas accept Medicare?
Yes. CMS data shows Dr. Giannikas billed Medicare for 4,031 services in 2024, and Dr. Giannikas accepts Medicare assignment.
Does Dr. George S. Giannikas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Giannikas as offering telehealth services.
How many Medicare patients does Dr. George S. Giannikas see?
CMS counts 181 Medicare patients who saw Dr. Giannikas in 2024, with an average age of 80.
What services does Dr. George S. Giannikas bill to Medicare?
In 2024, Dr. Giannikas' most billed Medicare services were office visit, established patient (99212), home visit (99348) and home visit (99349).
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What drugs does Dr. George S. Giannikas prescribe most?
In 2024 Medicare Part D data, Dr. Giannikas' most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Gabapentin.
Has Dr. George S. Giannikas received payments from drug or device companies?
CMS Open Payments shows $177 in general payments to Dr. Giannikas from 2 companies from 2017 to 2018. The largest total came from Astellas Pharma US Inc.
How long has Dr. George S. Giannikas been practicing?
Dr. Giannikas graduated from medical school in 1977, 49 years ago.
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