Mark Chai, M.D.
Physical Medicine & Rehabilitation Physician · Camden, NJ
Mark Chai, M.D. is a physical medicine & rehabilitation physician with a practice address in Camden, New Jersey, and NPI 1912947193, issued on Jun 7, 2006. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Chai
- Credential
- M.D.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- MD043343L PA
Self-reported in NPPES; status is on the state search - Practice location
- 101 Haddon Ave, Camden, NJ 08103
- Phone
- (856) 342-2040
- Enumerated
- Jun 7, 2006
- Record last updated
- Jan 13, 2023
- Fax
- (856) 968-8311
- Medicaid ID
- 001534403 PA
- Medicare enrollment
- Enrolled (PECOS I20220825001695); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 621 in New Jersey → Look up another NPI →
Also registered at 101 Haddon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Greg BarbyePeer Specialist1043009459
- Taylor DickinsonStudent in an Organized Health Care Education/Training Program1457040461
- Kevin KuangStudent in an Organized Health Care Education/Training Program1396531372
- Camden Pereira, DOStudent in an Organized Health Care Education/Training Program1639017585
- Grace SzeStudent in an Organized Health Care Education/Training Program1245084144
Verify Mark Chai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
284 Medicare Part D claims for 49 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Gabapentin63 claims
- Baclofen56 claims
- Pregabalin37 claims
- Tizanidine Hcl33 claims
- Oxycodone-Acetaminophen32 claims
- Cyclobenzaprine Hcl14 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): 100 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).
Bills Medicare through one group practice
- Cooper Physical Medicine And Rehabilitation Associates PCCamden, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Chai among 621 physical medicine & rehabilitation physician records in New Jersey
Mark Chai, M.D. is one of 621 physical medicine & rehabilitation physician records with a practice address in New Jersey. 67% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1988 · median 2004 among the 357 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 208100000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in New Jersey
There are 621 physical medicine & rehabilitation physician records in New Jersey.
All 621 in New Jersey → Every provider in Camden → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- William Anthony, M.D.Camden, NJ 081031770526790
- Elliot Bodofsky, MDCamden, NJ 081031619066339
- Stephen Cohen, MDCamden, NJ 081031417968355
- Jack Dimarco, M.D.Camden, NJ 081031841234341
- Willa Greenberg, DOCamden, NJ 081031326148008
- Tracey Harris, M.D.Camden, NJ 081031467429746
- George Knod, D.O.Camden, NJ 081031700825783
- Rohini Kumar, MDCamden, NJ 081031558552760
Common questions
What is Mark Chai, M.D.'s NPI number?
Mark Chai, M.D.'s National Provider Identifier (NPI) is 1912947193, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Chai, M.D. located?
The NPPES record lists a practice address at 101 Haddon Ave, Camden, NJ, 08103. Phone: (856) 342-2040. Providers update this record themselves, so call before visiting.
How can I verify Mark Chai, M.D.'s license?
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 Mark Chai, M.D. prescribe under Medicare Part D?
In 2024, Mark Chai, M.D. had 284 Medicare Part D claims for 49 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Mark Chai, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.