Isaac Naggar, M.D., PH.D.
Neurology Physician · Bethesda, MD
Isaac Naggar, M.D., PH.D. is a neurology physician with a practice address in Bethesda, Maryland, and NPI 1548649700, issued on May 21, 2015. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Isaac Naggar
- Credential
- M.D., PH.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- MD047032 DC
Self-reported in NPPES; status is on the state search - Practice location
- 7315 Wisconsin Ave, Bethesda, MD 20814
- Phone
- (240) 235-9120
- Enumerated
- May 21, 2015
- Record last updated
- Sep 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20210721003529); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 526 in Maryland → Look up another NPI →
Also registered at 7315 Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isaac Naggar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average neurology physician in 2024
602 Medicare Part D claims for 142 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Gabapentin61 claims
- Levetiracetam57 claims
- Carbidopa-Levodopa26 claims
- Lacosamide25 claims
- Clopidogrel24 claims
- Divalproex Sodium19 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): 86.8 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 3 group practices
- Frederick Health Hospital IncFrederick, MD
- Johns Hopkins Community Physicians, IncLaurel, MD
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Naggar among 526 neurology physician records in Maryland
Isaac Naggar, M.D., PH.D. is one of 526 neurology physician records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.
- NPI issued2015 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2004 among the 325 with a school on file
- Record last updated2023 · 62% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
78 neurology physician records list a practice address in Bethesda
They are 78 of the 7,245 NPPES records with a practice address in Bethesda, and 526 neurology physician records in Maryland.
All 526 in Maryland → Every provider in Bethesda → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Deidre AmmahBethesda, MD 208141043553464
- Richard Edelson, MDBethesda, MD 208141588780639
- Matthew Edwardson, MDBethesda, MD 208141649387416
- Sidney Hinds, M.D.Bethesda, MD 208141558393991
- Daljit Kaur, MDBethesda, MD 208141073523817
- Viveca Livezey, MDBethesda, MD 208141326173527
- Sushma Manda, M.D.,Bethesda, MD 208141558524603
- Katharine McNeill, MDBethesda, MD 208141598995730
Common questions
What is Isaac Naggar, M.D., PH.D.'s NPI number?
Isaac Naggar, M.D., PH.D.'s National Provider Identifier (NPI) is 1548649700, issued on May 21, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Naggar, M.D., PH.D. located?
The NPPES record lists a practice address at 7315 Wisconsin Ave, Bethesda, MD, 20814. Phone: (240) 235-9120. Providers update this record themselves, so call before visiting.
How can I verify Isaac Naggar, M.D., PH.D.'s license?
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 Isaac Naggar, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Isaac Naggar, M.D., PH.D. had 602 Medicare Part D claims for 142 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Isaac Naggar, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 86.8 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.