Iyad Alnahhas, M.D., M.S.
Neurology Physician · Philadelphia, PA
Iyad Alnahhas, M.D., M.S. is a neurology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1922428333, issued on Apr 24, 2014. Check the license (Pennsylvania MD470011, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Iyad Alnahhas
- Credential
- M.D., M.S.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- MD470011 PA
Self-reported in NPPES; status is on the state search - Practice location
- 909 Walnut St FL 2, Philadelphia, PA 19107
- Phone
- (215) 955-1234
- Enumerated
- Apr 24, 2014
- Record last updated
- Jul 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (215) 503-2430
- Medicare enrollment
- Enrolled (PECOS I20200722003689); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 1,077 in Pennsylvania → Look up another NPI →
Also registered at 909 Walnut St FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shaista Alam, MDNeurology Physician1700149895
- Carrie Andrews, MDStudent in an Organized Health Care Education/Training Program1932662012
- Crystal Benjamin, M.D.Family Medicine Physician1912260290
- Matthew Berk, M.D.Neurology Physician1750724498
- James Castiglione, MDStudent in an Organized Health Care Education/Training Program1336887298
- Christina Defamio, CRNPAdult Health Nurse Practitioner1134428527
Verify Iyad Alnahhas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD470011Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average neurology physician in 2024
459 Medicare Part D claims for 90 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Dexamethasone51 claims
- Levetiracetam44 claims
- Lacosamide36 claims
- Ondansetron Hcl30 claims
- Famotidine20 claims
- Prednisone17 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: $96.52
2 payments; by number, the most common kind was food and beverage; the largest payer was Telix Pharmaceuticals. 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.
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
- HR Physician ServicesMeadowbrook, PA
- Jefferson University PhysiciansPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Iyad Alnahhas among 1,077 neurology physician records in Pennsylvania
Iyad Alnahhas, M.D., M.S. is one of 1,077 neurology physician records with a practice address in Pennsylvania. 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 2014, is newer than 67% of them.
- NPI issued2014 · 67% of these records are older, 29% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2014 · median 2007 among the 727 with a school on file
- Record last updated2020 · 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 2084N0400X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Pennsylvania
There are 1,077 neurology physician records in Pennsylvania.
All 1,077 in Pennsylvania → Every provider in Philadelphia → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Daniel Feinberg, MDPhiladelphia, PA 191071134151285
- Jon Glass, MDPhiladelphia, PA 191071427025626
- Pedro Gonzalez-Alegre, MDPhiladelphia, PA 191071003808684
- Stacy Horn, DOPhiladelphia, PA 191071962434019
- Howard Hurtig, MDPhiladelphia, PA 191071760414981
- Olga Katz, M.D., PH.D.Philadelphia, PA 191071427050913
- Thomas Leist, M.D.Philadelphia, PA 191071801816681
- Carol Lippa, MDPhiladelphia, PA 191071083664965
Common questions
What is Iyad Alnahhas, M.D., M.S.'s NPI number?
Iyad Alnahhas, M.D., M.S.'s National Provider Identifier (NPI) is 1922428333, issued on Apr 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Iyad Alnahhas, M.D., M.S. located?
The NPPES record lists a practice address at 909 Walnut St FL 2, Philadelphia, PA, 19107. Phone: (215) 955-1234. Providers update this record themselves, so call before visiting.
How can I verify Iyad Alnahhas, M.D., M.S.'s license?
NPPES lists Pennsylvania license number MD470011, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Iyad Alnahhas, M.D., M.S. prescribe under Medicare Part D?
In 2024, Iyad Alnahhas, M.D., M.S. had 459 Medicare Part D claims for 90 beneficiaries; the average among neurology physician prescribers was 1,370. 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.