Stephanie J. Nahas-Geiger, M.D.
Neurology Physician · Philadelphia, PA
Stephanie J. Nahas-Geiger, M.D. is a neurology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1033265004, issued on Jan 25, 2007. Check the license (Pennsylvania MD425670, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stephanie J. Nahas-Geiger
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- MD425670 PA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Walnut St, Philadelphia, PA 19107
- Phone
- (215) 955-2243
- Enumerated
- Jan 25, 2007
- Record last updated
- May 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (215) 955-2060
- Medicaid IDs
- 0124591 NJ
101849310 PA - Medicare enrollment
- Enrolled (PECOS I20070301000174); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2001
- 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 900 Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nareen Babaian, CGCGenetic Counselor (M.S.)1316889983
- Michael BaldassariStudent in an Organized Health Care Education/Training Program1790365484
- Robert Barchi, M.D.Neurology Physician1154479863
- Donna Baskette, CRNARegistered Nurse1225194525
- David Brock, M.D.Neurology Physician1447273057
- Katelyn BrothwellAcute Care Nurse Practitioner1578078416
Verify Stephanie J. Nahas-Geiger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD425670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average neurology physician in 2024
1,322 Medicare Part D claims for 148 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 46 claims were for opioids.
Most prescribed
- Sumatriptan Succinate126 claims
- Aimovig Autoinjector73 claims
- Nurtec Odt72 claims
- Topiramate63 claims
- Ubrelvy56 claims
- Prochlorperazine Maleate47 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: $70,775.61
142 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.
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
- Jefferson University PhysiciansPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie J. Nahas-Geiger among 1,077 neurology physician records in Pennsylvania
Stephanie J. Nahas-Geiger, M.D. 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 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2001 · median 2007 among the 727 with a school on file
- Record last updated2014 · 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 Stephanie J. Nahas-Geiger, M.D.'s NPI number?
Stephanie J. Nahas-Geiger, M.D.'s National Provider Identifier (NPI) is 1033265004, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie J. Nahas-Geiger, M.D. located?
The NPPES record lists a practice address at 900 Walnut St, Philadelphia, PA, 19107. Phone: (215) 955-2243. Providers update this record themselves, so call before visiting.
How can I verify Stephanie J. Nahas-Geiger, M.D.'s license?
NPPES lists Pennsylvania license number MD425670, 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 Stephanie J. Nahas-Geiger, M.D. prescribe under Medicare Part D?
In 2024, Stephanie J. Nahas-Geiger, M.D. had 1,322 Medicare Part D claims for 148 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.