Dan Negoianu, MD
Nephrology Physician · Philadelphia, PA
Dan Negoianu, MD is a nephrology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1578626297, issued on Dec 18, 2006. Check the license (Pennsylvania MD429778, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Dan Negoianu
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD429778 PA
MT187146 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce Street, Philadelphia, PA 19104
- Phone
- (215) 662-2638
- Enumerated
- Dec 18, 2006
- Record last updated
- Nov 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid IDs
- 1021761400001 PA
0178772 NJ - Medicare enrollment
- Enrolled (PECOS I20080730000308); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 651 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mariam Aboian, M.D., PH.D.Diagnostic Radiology Physician1356669386
- Samir Abu Gazala, M.D.Surgery Physician1750708251
Verify Dan Negoianu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD429778Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average nephrology physician in 2024
88 Medicare Part D claims for 18 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Calcium Acetate37 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: $36.52
4 payments; by number, the most common kind was food and beverage; the largest payer was Fresenius USA Marketing, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dan Negoianu among 651 nephrology physician records in Pennsylvania
Dan Negoianu, 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2001 · median 2001 among the 468 with a school on file
- Record last updated2011 · 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
- Roy Bloom, MDPhiladelphia, PA 191041528093663
- Russell Carstens, MDPhiladelphia, PA 191041790713303
- Raphael Cohen, MDPhiladelphia, PA 191041699707711
- Debbie Cohen Stein, MDPhiladelphia, PA 191041932136215
- Laura Dember, M.D.Philadelphia, PA 191041144285370
- Joel Glickman, MDPhiladelphia, PA 191041124027727
- Simin Goral, MDPhiladelphia, PA 191041205863586
- Sabiha Hussain, MDPhiladelphia, PA 191041306826433
Common questions
What is Dan Negoianu, MD's NPI number?
Dan Negoianu, MD's National Provider Identifier (NPI) is 1578626297, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dan Negoianu, MD located?
The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 662-2638. Providers update this record themselves, so call before visiting.
How can I verify Dan Negoianu, MD's license?
NPPES lists Pennsylvania license number MD429778, 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 Dan Negoianu, MD prescribe under Medicare Part D?
In 2024, Dan Negoianu, MD had 88 Medicare Part D claims for 18 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.