NPPES file of Aug 9, 2026

Nektarios Ilias Lountzis, M.D.

Dermatology Physician · Allentown, PA

Nektarios Ilias Lountzis, M.D. is a dermatology physician with a practice address in Allentown, Pennsylvania, and NPI 1720124233, issued on Jan 30, 2007. Check the license (Pennsylvania MD434138, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720124233
Name
Nektarios Ilias Lountzis
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
MD434138 PA
Self-reported in NPPES; status is on the state search
Practice location
1259 S Cedar Crest Blvd Ste 100, Allentown, PA 18103
Phone
(610) 437-4134
Enumerated
Jan 30, 2007
Record last updated
Mar 27, 2023
Fax
(610) 433-9690
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1259 S Cedar Crest Blvd Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Howard Altman, MDDermatopathology (Pathology) Physician1922097443
  2. Stacey Blannett, DOStudent in an Organized Health Care Education/Training Program1891445433
  3. Melissa Bready, PA-CMedical Physician Assistant1528554938
  4. Tanya Ermolovich, D.O.Dermatology Physician1881681971
  5. Julia Friend, PA-CPhysician Assistant1861910572
  6. Rhonda Grieser, PAPhysician Assistant1093706996

Verify Nektarios Ilias Lountzis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD434138
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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21% fewer Medicare Part D claims than the average dermatology physician in 2024

626 Medicare Part D claims for 266 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Nektarios Lountzis626
  2. Specialty average797

Most prescribed

  1. Ketoconazole72 claims
  2. Triamcinolone Acetonide62 claims
  3. Hydrocortisone46 claims
  4. Metronidazole44 claims
  5. Betamethasone Dipropionate40 claims
  6. Clobetasol Propionate37 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: $906.53

44 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nektarios Lountzis$906.53
  2. Specialty average$8,544.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Nektarios Ilias Lountzis among 681 dermatology physician records in Pennsylvania

Nektarios Ilias Lountzis, M.D. is one of 681 dermatology physician records with a practice address in Pennsylvania. 87% 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 43% of them.

  • NPI issued2007 · 43% of these records are older, 47% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2023 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Pennsylvania

There are 681 dermatology physician records in Pennsylvania.

The 8 dermatology physician records with the nearest ZIP codes

  1. Claire Dorfman, DOAllentown, PA 181031902291164
  2. Tanya Ermolovich, D.O.Allentown, PA 181031881681971
  3. Anthony Gust, M.D.Allentown, PA 181031215046354
  4. Marc Levin, M.D.Allentown, PA 181031174510150
  5. Joshua Levin, MDAllentown, PA 181031710047659
  6. Kevin Liu, DOAllentown, PA 181031174144208
  7. Richard McClain, M.D.Allentown, PA 181031851568802
  8. Stephen Purcell, D.O.Allentown, PA 181031790772705

Common questions

What is Nektarios Ilias Lountzis, M.D.'s NPI number?

Nektarios Ilias Lountzis, M.D.'s National Provider Identifier (NPI) is 1720124233, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nektarios Ilias Lountzis, M.D. located?

The NPPES record lists a practice address at 1259 S Cedar Crest Blvd Ste 100, Allentown, PA, 18103. Phone: (610) 437-4134. Providers update this record themselves, so call before visiting.

How can I verify Nektarios Ilias Lountzis, M.D.'s license?

NPPES lists Pennsylvania license number MD434138, 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 Nektarios Ilias Lountzis, M.D. prescribe under Medicare Part D?

In 2024, Nektarios Ilias Lountzis, M.D. had 626 Medicare Part D claims for 266 beneficiaries; the average among dermatology physician prescribers was 797. 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.