Mark Welber, DO
Emergency Medicine Physician · Livingston, NJ
Mark Welber, DO is an emergency medicine physician with a practice address in Livingston, New Jersey, and NPI 1285654244, issued on Jul 20, 2006. Check the license (New Jersey 25MB05675700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Welber
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MB05675700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 94 Old Short Hills RD, Livingston, NJ 07039
- Phone
- (973) 322-5000
- Enumerated
- Jul 20, 2006
- Record last updated
- Jul 13, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 94 Old Short Hills RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shirin AbbasiStudent in an Organized Health Care Education/Training Program1770416463
- Ayah AbdallahCertified Registered Nurse Anesthetist1700477379
- Ali AbdullahPeer Specialist1194560680
- Jan AcampadoGerontology Nurse Practitioner1487427001
- Lubab Al-Quraishi, MDStudent in an Organized Health Care Education/Training Program1568084572
- Laura Alban, PA-CPhysician Assistant1609482272
Verify Mark Welber 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 25MB05675700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average emergency medicine physician in 2024
397 Medicare Part D claims for 273 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 18 claims were for opioids.
Most prescribed
- Doxycycline Monohydrate74 claims
- Methylprednisolone56 claims
- Albuterol Sulfate Hfa46 claims
- Amoxicillin-Clavulanate Potass46 claims
- Azithromycin22 claims
- Cyclobenzaprine Hcl15 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $56.92
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Mark Welber among 1,754 emergency medicine physician records in New Jersey
Mark Welber, DO is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 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 4% of them.
- NPI issued2006 · 4% of these records are older, 61% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 emergency medicine physician records list a practice address in Livingston
They are 38 of the 1,714 NPPES records with a practice address in Livingston, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Livingston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Glenn Fink, MDLivingston, NJ 070391205870300
- Neena Gupta, MDLivingston, NJ 070391598784308
- Eric Handler, DOLivingston, NJ 070391700820446
- Elizabeth Junker, MDLivingston, NJ 070391518983808
- Douglas Kaiden, M.D.Livingston, NJ 070391245282953
- Oscar Marcilla, M.D.Livingston, NJ 070391679522486
- James McEnrue, MDLivingston, NJ 070391609895465
- Gerald Melnick, MDLivingston, NJ 070391760408108
Common questions
What is Mark Welber, DO's NPI number?
Mark Welber, DO's National Provider Identifier (NPI) is 1285654244, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Welber, DO located?
The NPPES record lists a practice address at 94 Old Short Hills RD, Livingston, NJ, 07039. Phone: (973) 322-5000. Providers update this record themselves, so call before visiting.
How can I verify Mark Welber, DO's license?
NPPES lists New Jersey license number 25MB05675700, 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 Mark Welber, DO prescribe under Medicare Part D?
In 2024, Mark Welber, DO had 397 Medicare Part D claims for 273 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mark Welber, DO's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.