John Patrick Mongan, D.O.
Hematology & Oncology Physician · Malta, NY
John Patrick Mongan, D.O. is a hematology & oncology physician with a practice address in Malta, New York, and NPI 1134235765, issued on Aug 23, 2006. Check the license (New York 248746, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Patrick Mongan
- Credential
- D.O.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 248746 NY
Self-reported in NPPES; status is on the state search - Practice location
- 6 Medical Park Dr, Malta, NY 12020
- Phone
- (518) 289-2717
- Enumerated
- Aug 23, 2006
- Record last updated
- Nov 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (518) 886-5247
- Medicaid IDs
- 30228958 NH
03157797 NY - Medicare enrollment
- Enrolled (PECOS I20091027000006); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 6 Medical Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Buhlinger, DOInternal Medicine Physician1730145723
- Debbie Flaherty, M.D.Family Medicine Physician1831401413
- Eugene Merecki, MDFamily Medicine Physician1720070808
- Ravinder Saluja, MDInternal Medicine Physician1982694121
- Julie Stein, MDEmergency Medicine Physician1033371984
Verify John Patrick Mongan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 248746Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,843 Medicare Part D claims for 283 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 187 claims were for opioids.
Most prescribed
- Anastrozole175 claims
- Famotidine142 claims
- Prednisone82 claims
- Hydrocodone-Acetaminophen78 claims
- Prochlorperazine Maleate74 claims
- Hydroxyurea67 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 MIPS final score for 2023 (Medicare payment program): 93.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $405.49
13 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Glens Falls Hospital IncSaratoga Springs, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Patrick Mongan among 1,163 hematology & oncology physician records in New York
John Patrick Mongan, D.O. is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2005 · median 2002 among the 833 with a school on file
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in Malta → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Inder Lal, MDAmsterdam, NY 120101124227889
- Deborah Sculco, MDAmsterdam, NY 120101013910660
- Karen Tedesco, M.D.Amsterdam, NY 120101083601124
- Ranjit Banwait, MDClifton Park, NY 120651306341144
- Adriana Lisinschi, M.D.Halfmoon, NY 120651013331735
- Howard Schlossberg, M.D.Clifton Park, NY 120651023005691
- Sunitha Sukumaran, MDClifton Park, NY 120651750359055
- Michael Willen, M.D.Clifton Park, NY 120651912994849
Common questions
What is John Patrick Mongan, D.O.'s NPI number?
John Patrick Mongan, D.O.'s National Provider Identifier (NPI) is 1134235765, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Patrick Mongan, D.O. located?
The NPPES record lists a practice address at 6 Medical Park Dr, Malta, NY, 12020. Phone: (518) 289-2717. Providers update this record themselves, so call before visiting.
How can I verify John Patrick Mongan, D.O.'s license?
NPPES lists New York license number 248746, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Patrick Mongan, D.O. prescribe under Medicare Part D?
In 2024, John Patrick Mongan, D.O. had 1,843 Medicare Part D claims for 283 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is John Patrick Mongan, D.O.'s MIPS final score?
The 2023 MIPS final score is 93.9 of 100. 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.