Michael Joseph Viksjo, MD
Gastroenterology Physician · Union, NJ
Michael Joseph Viksjo, MD is a gastroenterology physician with a practice address in Union, New Jersey, and NPI 1508028770, issued on Jun 30, 2008. Check the license (New Jersey 25MA08505500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael Joseph Viksjo
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 25MA08505500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1308 Morris Ave Ste 102, Union, NJ 07083
- Phone
- (908) 851-2770
- Enumerated
- Jun 30, 2008
- Record last updated
- Feb 17, 2023
- Fax
- (908) 851-9023
- Medicare enrollment
- Enrolled (PECOS I20090730000171); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 735 in New Jersey → Look up another NPI →
Also registered at 1308 Morris Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tracey Alves, APNFamily Nurse Practitioner1780038869
- Daniel Bodek, DOGastroenterology Physician1306266408
- Arun Mathew, M.D.Gastroenterology Physician1265878185
Verify Michael Joseph Viksjo 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 25MA08505500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average gastroenterology physician in 2024
1,054 Medicare Part D claims for 323 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Omeprazole398 claims
- Pantoprazole Sodium129 claims
- Famotidine50 claims
- Dexlansoprazole Dr41 claims
- Clenpiq37 claims
- Linzess37 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): 75.1 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).
Industry payments in 2024: $976.52
55 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Barnabas Health Medical Group PCNew Brunswick, NJ
- RF Ledon MD PCUnion, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Joseph Viksjo among 735 gastroenterology physician records in New Jersey
Michael Joseph Viksjo, MD is one of 735 gastroenterology physician records with a practice address in New Jersey. 89% 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 65% of them.
- NPI issued2008 · 65% of these records are older, 29% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2003 · median 2000 among the 564 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 gastroenterology physician records list a practice address in Union
They are 13 of the 1,094 NPPES records with a practice address in Union, and 735 gastroenterology physician records in New Jersey.
All 735 in New Jersey → Every provider in Union → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Daniel Bodek, DOUnion, NJ 070831306266408
- Sujala Chirla, MDUnion, NJ 070831790946663
- Ramon Fernandez-Ledon, M.D.Union, NJ 070831083621460
- Robert Greenblatt, M.D.Union, NJ 070831861580433
- Kunal Grover, MDUnion, NJ 070831346445574
- Pradeep Mahal, M.D.Union, NJ 070831063551687
- Arun Mathew, M.D.Union, NJ 070831265878185
- Prakriti Merchant, M.D.Union, NJ 070831447546775
Common questions
What is Michael Joseph Viksjo, MD's NPI number?
Michael Joseph Viksjo, MD's National Provider Identifier (NPI) is 1508028770, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Joseph Viksjo, MD located?
The NPPES record lists a practice address at 1308 Morris Ave Ste 102, Union, NJ, 07083. Phone: (908) 851-2770. Providers update this record themselves, so call before visiting.
How can I verify Michael Joseph Viksjo, MD's license?
NPPES lists New Jersey license number 25MA08505500, 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 Joseph Viksjo, MD prescribe under Medicare Part D?
In 2024, Michael Joseph Viksjo, MD had 1,054 Medicare Part D claims for 323 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Michael Joseph Viksjo, MD's MIPS final score?
The 2023 MIPS final score is 75.1 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.