Marc P. Difazio, M.D.
Neurology with Special Qualifications in Child Neurology Physician · Rockville, MD
Marc P. Difazio, M.D. is a neurology with special qualifications in child neurology physician with a practice address in Rockville, Maryland, and NPI 1972556462, issued on May 18, 2006. Check the license (Maryland D0062946, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Marc P. Difazio
- Credential
- M.D.
- Primary taxonomy
- Neurology with Special Qualifications in Child Neurology Physician 2084N0402X
- License number
- D0062946 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9715 Medical Center Dr, Rockville, MD 20850
- Phone
- (301) 309-2211
- Enumerated
- May 18, 2006
- Record last updated
- Sep 18, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid IDs
- 005139000 MD
010248221 VA - Medicare enrollment
- Enrolled (PECOS I20110509000516); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1991
- Entity
- Type 1 · individual
Also registered at 9715 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alec Anders, MDFamily Medicine Physician1659339539
- Amy Andrus, M.D.Obstetrics & Gynecology Physician1285869891
- Luciano Belizan, M.D.Specialist1346217338
- Barbara Bell, M.D.Family Medicine Physician1447289038
- Sandra Birnbaum, P.T.Specialist1972545663
- Jason Brodsky, M.D.Surgery Physician1770582082
Verify Marc P. Difazio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0062946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average neurology with special qualifications in child neurology physician in 2024
296 Medicare Part D claims for 16 beneficiaries, against an average of 278 among the 900 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Levetiracetam39 claims
- Lamotrigine36 claims
- Oxtellar Xr24 claims
- Valproic Acid17 claims
- Divalproex Sodium Er14 claims
- Cyproheptadine Hcl12 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.
Industry payments in 2024: $2,804.27
6 payments; by number, the most common kind was travel and lodging; the largest payer was LivaNova USA, Inc. The 1,195 providers of this specialty with any payment received $5,568.05 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
- Children's HospitalWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurology with Special Qualifications in Child Neurology Physician providers in Maryland
There are 56 neurology with special qualifications in child neurology physician records in Maryland.
Other neurology with special qualifications in child neurology physician records in Maryland
- Kristin Baranano, M.D., PH.DBaltimore, MD1063559268
- Ashura Buckley, MDBethesda, MD1982973707
- Vera Burton, MD/PHDBaltimore, MD1144489345
- Juan Caceres Noguera, M.D.Baltimore, MD1457798290
- Anne Comi, M.D.Baltimore, MD1023062114
- Miranda Creasey, MDBethesda, MD1699358473
- Shannon Dean, M.D., PH.D.Baltimore, MD1376803577
- Sylvia Edelstein, MDCabin John, MD1225136989
- Marleigh Erickson, M.D.Kensington, MD1760562615
- Seyed Ali Fatemi, M.D., M.B.A.Baltimore, MD1124148341
Common questions
What is Marc P. Difazio, M.D.'s NPI number?
Marc P. Difazio, M.D.'s National Provider Identifier (NPI) is 1972556462, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc P. Difazio, M.D. located?
The NPPES record lists a practice address at 9715 Medical Center Dr, Rockville, MD, 20850. Phone: (301) 309-2211. Providers update this record themselves, so call before visiting.
How can I verify Marc P. Difazio, M.D.'s license?
NPPES lists Maryland license number D0062946, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc P. Difazio, M.D. prescribe under Medicare Part D?
In 2024, Marc P. Difazio, M.D. had 296 Medicare Part D claims for 16 beneficiaries; the average among neurology with special qualifications in child neurology physician prescribers was 278. Part D covers Medicare prescriptions only.
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.