Michael Riskalla
Internal Medicine Physician · Newark, NJ
Michael Riskalla is an internal medicine physician with a practice address in Newark, New Jersey, and NPI 1538628631, issued on Mar 18, 2019. Check the license (New Jersey 25MA12664900, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael Riskalla
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 25MA12664900 NJ
294844 MA
Self-reported in NPPES; status is on the state search - Practice location
- 201 Lyons Ave, Newark, NJ 07112
- Phone
- (973) 926-7000
- Enumerated
- Mar 18, 2019
- Record last updated
- Mar 20, 2026
- Medicare enrollment
- Enrolled (PECOS I20260520002755); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 201 Lyons Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammad Abbas, MDStudent in an Organized Health Care Education/Training Program1922940550
- Malaz Abdalla, MBBSStudent in an Organized Health Care Education/Training Program1861196818
- Rawan Abdalla, MDStudent in an Organized Health Care Education/Training Program1376481739
- Ahmed AbdaltawabStudent in an Organized Health Care Education/Training Program1689514093
- Girom AbdelmesihStudent in an Organized Health Care Education/Training Program1548109044
- Safa AbdulhaiStudent in an Organized Health Care Education/Training Program1437845245
Verify Michael Riskalla 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 25MA12664900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
291 Medicare Part D claims for 140 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 17 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass18 claims
- Prednisone16 claims
- Alendronate Sodium15 claims
- Pantoprazole Sodium15 claims
- Cefpodoxime Proxetil14 claims
- Metoprolol Succinate13 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.
Industry payments in 2024: $34.99
1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Cayuga Medical Associates PCIthaca, NY
- Rwjbh Emergency Medicine Associates, LLCNew Brunswick, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Riskalla among 4,632 internal medicine physician records in New Jersey
Michael Riskalla is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2018 · median 2000 among the 3,132 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
184 internal medicine physician records list a practice address in Newark
They are 184 of the 4,875 NPPES records with a practice address in Newark, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Newark → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Razia Awan, MDNewark, NJ 071121366428567
- Muhammed Ayub, M.D.Newark, NJ 071121710941836
- Asa Crews, M.D.Newark, NJ 071121962417758
- Joseph Defrank Castro, MDNewark, NJ 071121801095864
- Christian Engell, MDNewark, NJ 071121831374305
- Rafia Hussaini, MDNewark, NJ 071121194902643
- Kanik Kathuria, M.D.Newark, NJ 071121609118140
- Theresa Liao, MDNewark, NJ 071121447354501
Common questions
What is Michael Riskalla's NPI number?
Michael Riskalla's National Provider Identifier (NPI) is 1538628631, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Michael Riskalla located?
The NPPES record lists a practice address at 201 Lyons Ave, Newark, NJ, 07112. Phone: (973) 926-7000. Providers update this record themselves, so call before visiting.
How can I verify Michael Riskalla's license?
NPPES lists New Jersey license number 25MA12664900, 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 Riskalla prescribe under Medicare Part D?
In 2024, Michael Riskalla had 291 Medicare Part D claims for 140 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.