Marc A. Merroto, MD
Neurology Physician · Phoenix, AZ
Marc A. Merroto, MD is a neurology physician with a practice address in Phoenix, Arizona, and NPI 1831139476, issued on Jun 8, 2006. Check the license (Arizona 006366, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marc A. Merroto
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 006366 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2525 E Roosevelt St, Phoenix, AZ 85008
- Phone
- (602) 344-1015
- Enumerated
- Jun 8, 2006
- Record last updated
- Mar 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 332461 AZ
- Medicare enrollment
- Enrolled (PECOS I20081111000344); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 458 in Arizona → Look up another NPI →
Also registered at 2525 E Roosevelt St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marc A. Merroto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 006366Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average neurology physician in 2024
222 Medicare Part D claims for 69 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Levetiracetam31 claims
- Gabapentin24 claims
- Donepezil Hcl16 claims
- Divalproex Sodium Er13 claims
- Phenytoin Sodium Extended13 claims
- Zonisamide13 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): 93.4 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
- District Medical Group IncPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc A. Merroto among 458 neurology physician records in Arizona
Marc A. Merroto, MD is one of 458 neurology physician records with a practice address in Arizona. 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1991 · median 2005 among the 298 with a school on file
- Record last updated2015 · 51% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Arizona
There are 458 neurology physician records in Arizona.
All 458 in Arizona → Every provider in Phoenix → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Nikita Chhabra, DOPhoenix, AZ 850061306461843
- Christina Chrisman, M.D.Phoenix, AZ 850061578832309
- Ekokobe Fonkem, DOPhoenix, AZ 850061538359534
- Sharon Johnstone, MDPhoenix, AZ 850061407954167
- Leo Kahn, M.D.Phoenix, AZ 850061649242983
- Maninder Kaur, M.D.Phoenix, AZ 850061457868960
- Robin McFarlane, MDPhoenix, AZ 850061003312273
- Anthony Mosley, M.D.Phoenix, AZ 850061457303760
Common questions
What is Marc A. Merroto, MD's NPI number?
Marc A. Merroto, MD's National Provider Identifier (NPI) is 1831139476, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc A. Merroto, MD located?
The NPPES record lists a practice address at 2525 E Roosevelt St, Phoenix, AZ, 85008. Phone: (602) 344-1015. Providers update this record themselves, so call before visiting.
How can I verify Marc A. Merroto, MD's license?
NPPES lists Arizona license number 006366, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc A. Merroto, MD prescribe under Medicare Part D?
In 2024, Marc A. Merroto, MD had 222 Medicare Part D claims for 69 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Marc A. Merroto, MD's MIPS final score?
The 2023 MIPS final score is 93.4 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.