Louis S. Felder, MD
Otolaryngology Physician · Pittsburgh, PA
Louis S. Felder, MD is an otolaryngology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1083682637, issued on Mar 9, 2006. Check the license (Pennsylvania MD050918L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Louis S. Felder
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- MD050918L PA
30156 WV
Self-reported in NPPES; status is on the state search - Practice location
- 5140 Liberty Ave Ste 102, Pittsburgh, PA 15224
- Phone
- (412) 681-2300
- Enumerated
- Mar 9, 2006
- Record last updated
- Jan 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (412) 681-6959
- Medicaid ID
- 001463132 PA
- Medicare enrollment
- Enrolled (PECOS I20120504000137); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1989
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 531 in Pennsylvania → Look up another NPI →
Also registered at 5140 Liberty Ave Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Gottlieb, MDOtolaryngology Physician1821066465
- Hallie Kramer, AU.D.Audiologist-Hearing Aid Fitter1316429426
- Katie Lisabeth, PA-CMedical Physician Assistant1780123968
- Joseph Turner, MDOtolaryngology Physician1710955703
Verify Louis S. Felder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD050918LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average otolaryngology physician in 2024
1,653 Medicare Part D claims for 604 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims. 16 claims were for opioids.
Most prescribed
- Prednisone419 claims
- Cephalexin222 claims
- Fluticasone Propionate166 claims
- Methylprednisolone139 claims
- Doxycycline Hyclate86 claims
- Meclizine Hcl72 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
- Allegheny ClinicMonroeville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis S. Felder among 531 otolaryngology physician records in Pennsylvania
Louis S. Felder, MD is one of 531 otolaryngology physician records with a practice address in Pennsylvania. 82% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 53% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1989 · median 2002 among the 355 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Pennsylvania
There are 531 otolaryngology physician records in Pennsylvania.
All 531 in Pennsylvania → Every provider in Pittsburgh → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Robert Archbold, DOPittsburgh, PA 152241316504699
- Kathryn Deeds, MDPittsburgh, PA 152241164985792
- Michael Gottlieb, MDPittsburgh, PA 152241821066465
- Noel JabbourPittsburgh, PA 152241679765788
- Allison Tobey, MDPittsburgh, PA 152241760620835
- Joseph Turner, MDPittsburgh, PA 152241710955703
- Kimberly Atiyeh, M.D.Pittsburgh, PA 152211144580069
- Andrea Hebert, M.D.Pittsburgh, PA 152191053610709
Common questions
What is Louis S. Felder, MD's NPI number?
Louis S. Felder, MD's National Provider Identifier (NPI) is 1083682637, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis S. Felder, MD located?
The NPPES record lists a practice address at 5140 Liberty Ave Ste 102, Pittsburgh, PA, 15224. Phone: (412) 681-2300. Providers update this record themselves, so call before visiting.
How can I verify Louis S. Felder, MD's license?
NPPES lists Pennsylvania license number MD050918L, 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 Louis S. Felder, MD prescribe under Medicare Part D?
In 2024, Louis S. Felder, MD had 1,653 Medicare Part D claims for 604 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.