Ari Douglas Seidenstein, M.D.
Orthopaedic Surgery Physician · Paramus, NJ
Ari Douglas Seidenstein, M.D. is an orthopaedic surgery physician with a practice address in Paramus, New Jersey, and NPI 1902040546, issued on Apr 27, 2009. Check the license (New Jersey 25MA08774300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ari Douglas Seidenstein
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 25MA08774300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 650 From RD Ste 420, Paramus, NJ 07652
- Phone
- (201) 639-6620
- Enumerated
- Apr 27, 2009
- Record last updated
- Oct 17, 2023
- Fax
- (201) 972-8980
- Medicare enrollment
- Enrolled (PECOS I20110105000326); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 690 in New Jersey → Look up another NPI →
Also registered at 650 From RD Ste 420
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole BarattaPhysical Therapist1225642689
- Jessica Castelo, PASurgical Physician Assistant1699458448
- Chris Cherian, M.D.Sports Medicine (Physical Medicine & Rehabilitation) Physician1285014159
- Matthew Counihan, MDSports Medicine (Orthopaedic Surgery) Physician1336534858
- Amanda Defeo, PAPhysician Assistant1114274917
- Karen Donado, OTOccupational Therapist1063017523
Verify Ari Douglas Seidenstein 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 25MA08774300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024
804 Medicare Part D claims for 380 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D.
Most prescribed
- Meloxicam618 claims
- Amoxicillin55 claims
- Celecoxib53 claims
- Diclofenac Sodium36 claims
- Azithromycin13 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): 75.8 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: $289.41
9 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Hackensack Meridian Health Medical Group - Specialty Care PCHackensack, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ari Douglas Seidenstein among 690 orthopaedic surgery physician records in New Jersey
Ari Douglas Seidenstein, M.D. is one of 690 orthopaedic surgery physician records with a practice address in New Jersey. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 72% of them.
- NPI issued2009 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2004 · median 2001 among the 444 with a school on file
- Record last updated2023 · 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 207X00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 orthopaedic surgery physician records list a practice address in Paramus
They are 17 of the 1,842 NPPES records with a practice address in Paramus, and 690 orthopaedic surgery physician records in New Jersey.
All 690 in New Jersey → Every provider in Paramus → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Michael Ast, M.D.Paramus, NJ 076521427204106
- Andrew Beharrie, M.D.Paramus, NJ 076521952361982
- Michael Distefano, MDParamus, NJ 076521407883887
- Warren Hammerschlag, MDParamus, NJ 076521104981679
- Mark Hartzband, MDParamus, NJ 076521386639722
- Seth Kane, MDParamus, NJ 076521679614358
- Gregg Klein, MDParamus, NJ 076521528053642
- Eitan Kohan, M.D.Paramus, NJ 076521619358207
Common questions
What is Ari Douglas Seidenstein, M.D.'s NPI number?
Ari Douglas Seidenstein, M.D.'s National Provider Identifier (NPI) is 1902040546, issued on Apr 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ari Douglas Seidenstein, M.D. located?
The NPPES record lists a practice address at 650 From RD Ste 420, Paramus, NJ, 07652. Phone: (201) 639-6620. Providers update this record themselves, so call before visiting.
How can I verify Ari Douglas Seidenstein, M.D.'s license?
NPPES lists New Jersey license number 25MA08774300, 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 Ari Douglas Seidenstein, M.D. prescribe under Medicare Part D?
In 2024, Ari Douglas Seidenstein, M.D. had 804 Medicare Part D claims for 380 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Ari Douglas Seidenstein, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.8 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.