Omar Hussein Maarouf, MD
Nephrology Physician · Philadelphia, PA
Omar Hussein Maarouf, MD is a nephrology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1376788299, issued on Dec 5, 2008. Check the license (Pennsylvania MD459029, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Omar Hussein Maarouf
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD459029 PA
248576 MA
Self-reported in NPPES; status is on the state search - Practice location
- 833 Chestnut St, Philadelphia, PA 19107
- Phone
- (215) 503-3000
- Enumerated
- Dec 5, 2008
- Record last updated
- Aug 18, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (215) 503-4099
- Medicare enrollment
- Enrolled (PECOS I20160921000266); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 651 in Pennsylvania → Look up another NPI →
Also registered at 833 Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zoe Agoos, M.D.Family Medicine Physician1659767044
- Marc Altshuler, M.D.Family Medicine Physician1013935220
- Archana Anantharaman, M.D.Student in an Organized Health Care Education/Training Program1255620837
- Kendall Annable, MSGenetic Counselor (M.S.)1477685097
- Sambina AnthonyStudent in an Organized Health Care Education/Training Program1033904784
- Christine Arenson, M.D.Family Medicine Physician1316970403
Verify Omar Hussein Maarouf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD459029Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average nephrology physician in 2024
775 Medicare Part D claims for 146 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Furosemide154 claims
- Amlodipine Besylate81 claims
- Losartan Potassium47 claims
- Carvedilol40 claims
- Lisinopril33 claims
- Tamsulosin Hcl33 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.
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).
Omar Hussein Maarouf among 651 nephrology physician records in Pennsylvania
Omar Hussein Maarouf, MD is one of 651 nephrology physician records with a practice address in Pennsylvania. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 35% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2002 · median 2001 among the 468 with a school on file
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Pennsylvania
There are 651 nephrology physician records in Pennsylvania.
All 651 in Pennsylvania → Every provider in Philadelphia → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Joseph Brezin, MDPhiladelphia, PA 191071154417541
- Bonita Falkner, M.DPhiladelphia, PA 191071790706869
- George FrancosPhiladelphia, PA 191071457374530
- Rakesh Gulati, MDPhiladelphia, PA 191071770571937
- Michael Heifets, MDPhiladelphia, PA 191071265471403
- Larry Krevolin, DOPhiladelphia, PA 191071265532923
- Sandra Levison, MDPhiladelphia, PA 191071841232832
- Marie Lim, MDPhiladelphia, PA 191071033219795
Common questions
What is Omar Hussein Maarouf, MD's NPI number?
Omar Hussein Maarouf, MD's National Provider Identifier (NPI) is 1376788299, issued on Dec 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Omar Hussein Maarouf, MD located?
The NPPES record lists a practice address at 833 Chestnut St, Philadelphia, PA, 19107. Phone: (215) 503-3000. Providers update this record themselves, so call before visiting.
How can I verify Omar Hussein Maarouf, MD's license?
NPPES lists Pennsylvania license number MD459029, 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 Omar Hussein Maarouf, MD prescribe under Medicare Part D?
In 2024, Omar Hussein Maarouf, MD had 775 Medicare Part D claims for 146 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.