Michael John Gentlesk, M.D.
Allergy & Immunology Physician · Voorhees, NJ
Michael John Gentlesk, M.D. is an allergy & immunology physician with a practice address in Voorhees, New Jersey, and NPI 1083899645, issued on Jan 2, 2008. Check the license (New Jersey 25MA02045200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael John Gentlesk
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 25MA02045200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2301 E Evesham RD, Voorhees, NJ 08043
- Phone
- (856) 651-9393
- Enumerated
- Jan 2, 2008
- Record last updated
- Jan 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (856) 651-9222
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 132 in New Jersey → Look up another NPI →
Also registered at 2301 E Evesham RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael John Gentlesk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA02045200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
30 Medicare Part D claims, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of 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.
Michael John Gentlesk among 132 allergy & immunology physician records in New Jersey
Michael John Gentlesk, M.D. is one of 132 allergy & immunology physician records with a practice address in New Jersey. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 69% of them.
- NPI issued2008 · 69% of these records are older, 27% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 79% of these records are
- Record last updated2008 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in New Jersey
There are 132 allergy & immunology physician records in New Jersey.
All 132 in New Jersey → Every provider in Voorhees → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- George Belecanech, M.D.Voorhees, NJ 080431376691626
- Sheryl Mathew, MDVoorhees, NJ 080431790245470
- James Madden, M.D.Manahawkin, NJ 080501891788147
- Linda Graziano, MDCherry Hill, NJ 080341609830934
- Dara Cohn, M.D.Haddonfield, NJ 080331184042772
- Mahendra Dadhania, MDMarlton, NJ 080531356334353
- Jin Ping Guo, M.D.Marlton, NJ 080531205852464
- Erin Toller-Artis, D.O.Haddonfield, NJ 080331881965051
Common questions
What is Michael John Gentlesk, M.D.'s NPI number?
Michael John Gentlesk, M.D.'s National Provider Identifier (NPI) is 1083899645, issued on Jan 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael John Gentlesk, M.D. located?
The NPPES record lists a practice address at 2301 E Evesham RD, Voorhees, NJ, 08043. Phone: (856) 651-9393. Providers update this record themselves, so call before visiting.
How can I verify Michael John Gentlesk, M.D.'s license?
NPPES lists New Jersey license number 25MA02045200, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael John Gentlesk, M.D. prescribe under Medicare Part D?
In 2024, Michael John Gentlesk, M.D. had 30 Medicare Part D claims; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
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.