Dennis Michael Jack, FNP
Family Nurse Practitioner · Buffalo, NY
Dennis Michael Jack, FNP is a family nurse practitioner with a practice address in Buffalo, New York, and NPI 1659858827, issued on Jul 20, 2018. Check the license (New York 343352, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennis Michael Jack
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 343352 NY
Self-reported in NPPES; status is on the state search - Practice location
- 462 Grider St, Buffalo, NY 14215
- Phone
- (716) 609-0312
- Enumerated
- Jul 20, 2018
- Record last updated
- May 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180820001666); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 462 Grider St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dennis Michael Jack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 343352Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average family nurse practitioner in 2024
1,888 Medicare Part D claims for 238 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Prednisone295 claims
- Furosemide153 claims
- Hydralazine Hcl99 claims
- Carvedilol78 claims
- Calcitriol77 claims
- Metoprolol Tartrate68 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 90 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Erie County Medical Center CorporationBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Michael Jack among 14,805 family nurse practitioner records in New York
Dennis Michael Jack, FNP is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 47% of them.
- NPI issued2018 · 47% of these records are older, 48% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2018 · median 2019 among the 7,239 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
391 family nurse practitioner records list a practice address in Buffalo
They are 391 of the 13,287 NPPES records with a practice address in Buffalo, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Buffalo → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Judy Dobson, NPBuffalo, NY 142151578594891
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- Jennifer JenningsBuffalo, NY 142151689694069
- Gale Kandefer, F.N.P.Buffalo, NY 142151194963090
- Karen Konikoff, FNPBuffalo, NY 142151639198062
- Jamie Kowalski, FNP-CBuffalo, NY 142151831137793
- Joanne McVey, NPBuffalo, NY 142151558344564
- Donna Morrison, NPBuffalo, NY 142151285886234
Common questions
What is Dennis Michael Jack, FNP's NPI number?
Dennis Michael Jack, FNP's National Provider Identifier (NPI) is 1659858827, issued on Jul 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Michael Jack, FNP located?
The NPPES record lists a practice address at 462 Grider St, Buffalo, NY, 14215. Phone: (716) 609-0312. Providers update this record themselves, so call before visiting.
How can I verify Dennis Michael Jack, FNP's license?
NPPES lists New York license number 343352, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Dennis Michael Jack, FNP prescribe under Medicare Part D?
In 2024, Dennis Michael Jack, FNP had 1,888 Medicare Part D claims for 238 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Dennis Michael Jack, FNP's MIPS final score?
The 2023 MIPS final score is 90 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.