NPPES file of Aug 9, 2026

Mark S. Diamond, MD

Neurology Physician · Morristown, NJ

Mark S. Diamond, MD is a neurology physician with a practice address in Morristown, New Jersey, and NPI 1073514113, issued on Aug 10, 2005. Check the license (New Jersey 25MA04056000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073514113
Name
Mark S. Diamond
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
25MA04056000 NJ
MA40560 NJ
Self-reported in NPPES; status is on the state search
Practice location
95 Madison Avenue, Morristown, NJ 07960
Phone
(973) 285-1446
Enumerated
Aug 10, 2005
Record last updated
Aug 11, 2025
Fax
(973) 605-8854
Medicaid ID
1949608 NJ
Medicare enrollment
Enrolled (PECOS I20100325000060); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1977
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 95 Madison Avenue

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maryellen Hanley, MDSpecialist1255446183
  2. Oladotun Okunola, M.D.Neurology Physician1073718185
  3. Annie Pockriss, M.S.Genetic Counselor (M.S.)1679784276
  4. Jean Randazzo, MDInternal Medicine Physician1033215892

Verify Mark S. Diamond in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA04056000
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.3 times the Medicare Part D claims of the average neurology physician in 2024

3,218 Medicare Part D claims for 513 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 47 claims were for opioids.

  1. Mark Diamond3,218
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl299 claims
  2. Carbidopa-Levodopa294 claims
  3. Gabapentin215 claims
  4. Levetiracetam187 claims
  5. Memantine Hcl121 claims
  6. Sumatriptan Succinate115 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): 87.7 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.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%58.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $4,819.78

134 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Diamond$4,819.78
  2. Specialty average$8,318.07

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

  1. Practice Associates Medical GroupMorristown, NJ
  2. The Neuroscience Center OF Northern New Jersey , PAMorristown, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark S. Diamond among 577 neurology physician records in New Jersey

Mark S. Diamond, MD is one of 577 neurology 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1977 · median 2002 among the 417 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in New Jersey

There are 577 neurology physician records in New Jersey.

The 8 neurology physician records with the nearest ZIP codes

  1. Mathew Alias, D.O.Morristown, NJ 079601508027574
  2. Stuart Fox, M.D.Morristown, NJ 079601063413102
  3. Catherine Heffner, MDMorristown, NJ 079601922075696
  4. Anna IonesMorristown, NJ 079601558597336
  5. Tatyana MarxMorristown, NJ 079601164686960
  6. Brian Morse, D.O.Morristown, NJ 079601558388389
  7. Oladotun Okunola, M.D.Morristown, NJ 079601073718185
  8. Henry Park, MDMorristown, NJ 079601427219807

Common questions

What is Mark S. Diamond, MD's NPI number?

Mark S. Diamond, MD's National Provider Identifier (NPI) is 1073514113, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark S. Diamond, MD located?

The NPPES record lists a practice address at 95 Madison Avenue, Morristown, NJ, 07960. Phone: (973) 285-1446. Providers update this record themselves, so call before visiting.

How can I verify Mark S. Diamond, MD's license?

NPPES lists New Jersey license number 25MA04056000, 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 S. Diamond, MD prescribe under Medicare Part D?

In 2024, Mark S. Diamond, MD had 3,218 Medicare Part D claims for 513 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Mark S. Diamond, MD's MIPS final score?

The 2023 MIPS final score is 87.7 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.