Dr. John Richard Gavencak, MD
- Medicare services, 2021
- 2,207
- Part D claims, 2016
- 13
- Industry payments
- $238
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 17-52 Francis Lewis Blvd, Whitestone, NY 11357
- Practice phone
- Call (718) 746-9494
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New York Internal Medicine
Whitestone, New York
Find Dr. Gavencak'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 Richard Gavencak is an allergy physician in Whitestone, New York
Dr. Gavencak practices at New York Internal Medicine in Whitestone, New York.
Dr. Gavencak's NPI, 1821089392, was assigned on November 2, 2005. Dr. Gavencak graduated from New York Medical College in 1974. Dr. Gavencak holds New York license 124874.
- NPI
- 1821089392NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133139256
- NPI enumeration date
- November 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 746-9494
- 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; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Richard Gavencak practices at New York Internal Medicine in Whitestone, New York
Dr. Gavencak's primary practice is New York Internal Medicine, at 17-52 Francis Lewis Blvd, Whitestone, NY 11357 in Queens County. The practice phone is (718) 746-9494.
- New York Internal Medicine17-52 Francis Lewis Blvd, Whitestone, NY 11357 · Queens CountyPhone(718) 746-9494
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Richard Gavencak is affiliated with 2 sites of care and 1 medical group
Dr. Gavencak's primary practice is New York Internal Medicine in Whitestone, New York. The medical group on file is New York Internal Medicine P.C. Dmand AI also links Dr. Gavencak to 1 more group practice or clinic, 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. John Richard Gavencak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gavencak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New York Internal Medicine | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Richard Gavencak is one of 86 allergy physicians in New York
Allergy is Dr. Gavencak's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Gavencak is licensed in New York.
Specialties and state licenses
- Allergy, New YorkPrimary
Allergy physicians near Dr. Gavencak
Counts of allergy 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. John Richard Gavencak billed Medicare for 2,207 services in 2021
CMS data shows 2,207 Medicare services from Dr. Gavencak across 3 procedure codes in 2021. Medicare paid $29,989 for them. Every service was in an office.
Dr. Gavencak's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Tests and treatments
- 2020: 2,3682021: 2,1878%
- Office and hospital visits
- 2020: 252021: 2020%
Dr. Gavencak compared with the New York median for allergy physicians, 2021
- Dr. Gavencak
- New York median
- Medicare services
- 2,207vs 1,61237% above
- Part D claims
- 13vs 22394% below
Medians across 86 allergy physicians in New York with Dmand AI profiles that report each measure.
Dr. Gavencak's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gavencak?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gavencak and other allergy physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Richard Gavencak's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Gavencak's median patient age at 53, with 49% women.
Dr. Gavencak'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
- Women49%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. John Richard Gavencak wrote 13 Medicare Part D claims in 2016
In 2016, Dr. Gavencak wrote 13 Medicare Part D claims. They cover 1 drug, with $4,322 in total drug cost.
Dr. Gavencak's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. John Richard Gavencak takes part in Medicare
Dr. Gavencak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Richard Gavencak received $238 in industry payments from 2018 to 2023
CMS Open Payments shows 6 general payments to Dr. Gavencak from 5 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $125.
General payments to Dr. Gavencak by program year, 2018 to 2023
Companies that paid Dr. Gavencak the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Richard Gavencak graduated from New York Medical College
Dr. Gavencak graduated from New York Medical College in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Richard Gavencak'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) |
| 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. John Richard Gavencak
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 Richard Gavencak's NPI number?
Dr. John Richard Gavencak's NPI number is 1821089392. It was assigned on November 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Richard Gavencak?
Dr. John Richard Gavencak is an allergy physician in Whitestone, New York. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).
Where does Dr. John Richard Gavencak practice?
Dr. Gavencak practices at 17-52 Francis Lewis Blvd, Whitestone, NY 11357. Dr. Gavencak's primary practice is New York Internal Medicine in Whitestone, New York. Dmand AI also links Dr. Gavencak to 1 group practice or clinic.
What is Dr. John Richard Gavencak's office phone number?
The practice phone on file for Dr. Gavencak is (718) 746-9494.
What is Dr. John Richard Gavencak's medical license number?
Dr. Gavencak holds New York license 124874.
What medical group is Dr. John Richard Gavencak part of?
Dr. Gavencak is linked to New York Internal Medicine P.C.
Does Dr. John Richard Gavencak accept Medicare?
Yes. CMS data shows Dr. Gavencak billed Medicare for 2,207 services in 2021, and Dr. Gavencak accepts Medicare assignment.
What services does Dr. John Richard Gavencak bill to Medicare?
In 2021, Dr. Gavencak's most billed Medicare services were allergy test or treatment (95165), allergy test or treatment (95117) and office visit, established patient (99213).
Where did Dr. John Richard Gavencak go to medical school?
Dr. Gavencak graduated from New York Medical College in 1974.
What drugs does Dr. John Richard Gavencak prescribe most?
In 2016 Medicare Part D data, Dr. Gavencak's most prescribed drugs by claims were Symbicort.
Has Dr. John Richard Gavencak received payments from drug or device companies?
CMS Open Payments shows $238 in general payments to Dr. Gavencak from 5 companies from 2018 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. John Richard Gavencak been practicing?
Dr. Gavencak graduated from medical school in 1974, 52 years ago.
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