NPPES file of Aug 9, 2026

Marc D. Cotler, M.D.

Allergy Physician · Ardmore, PA

Marc D. Cotler, M.D. is an allergy physician with a practice address in Ardmore, Pennsylvania, and NPI 1942305081, issued on Sep 13, 2006. Check the license (Pennsylvania MD017816E, 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
1942305081
Name
Marc D. Cotler
Credential
M.D.
Primary taxonomy
Allergy Physician 207KA0200X
License number
MD017816E PA
Self-reported in NPPES; status is on the state search
Practice location
233 E Lancaster Ave, Ardmore, PA 19003
Phone
(610) 642-3884
Enumerated
Sep 13, 2006
Record last updated
Feb 19, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(610) 642-3885
Medicare enrollment
Enrolled (PECOS I20111018000577); accepts Medicare assignment
Medical or professional school
Medical College Of Pennsylvania, 1974
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 233 E Lancaster Ave

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

  1. Anthony Amoroso, DPTPhysical Therapist1467303321
  2. Yasmin Areida, MD, MS, CNSNutrition Education Nutritionist1407677552
  3. Alene Bender Herman, MSN, CRNPAmbulatory Women's Health Care Registered Nurse1902160088
  4. Karen Berberian, PH.D.Psychologist1760496277
  5. A. Geoffrey Didario, MDAllergy & Immunology Physician1336282870
  6. Tara Gannon, DPTPhysical Therapist1467838466

Verify Marc D. Cotler 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 MD017816E    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

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81% fewer Medicare Part D claims than the average allergy physician in 2024

141 Medicare Part D claims for 34 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Marc Cotler141
  2. Specialty average750

Most prescribed

  1. Doxycycline Hyclate47 claims
  2. Azithromycin20 claims
  3. Montelukast Sodium13 claims
  4. Arnuity Ellipta11 claims
  5. Fluticasone-Salmeterol11 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.

Allergy Physician providers in Pennsylvania

There are 36 allergy physician records in Pennsylvania.

All 36 in Pennsylvania → Every provider in Ardmore →

Other allergy physician records in Pennsylvania

  1. Frank Aloi, M.D.Beaver, PA1760527147
  2. Schweta Arakali, M.D.Allentown, PA1881024891
  3. Barry Asman, M.D.Monroeville, PA1407801897
  4. Victoria Correa, MSN, APN, FNP-CDoylestown, PA1508456716
  5. Angela D'Urso, MDMorgantown, PA1194911909
  6. James Deangelo, D.O.Pittsburgh, PA1922056530
  7. Neil Feldman, DOAllentown, PA1699742486
  8. Richard Green, M.D.Pittsburgh, PA1164427480
  9. Edward Hein, M.D.Wyomissing, PA1760416085
  10. Shannon Kearney, DOBethlehem, PA1306843149

Common questions

What is Marc D. Cotler, M.D.'s NPI number?

Marc D. Cotler, M.D.'s National Provider Identifier (NPI) is 1942305081, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc D. Cotler, M.D. located?

The NPPES record lists a practice address at 233 E Lancaster Ave, Ardmore, PA, 19003. Phone: (610) 642-3884. Providers update this record themselves, so call before visiting.

How can I verify Marc D. Cotler, M.D.'s license?

NPPES lists Pennsylvania license number MD017816E, 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 Marc D. Cotler, M.D. prescribe under Medicare Part D?

In 2024, Marc D. Cotler, M.D. had 141 Medicare Part D claims for 34 beneficiaries; the average among allergy physician prescribers was 750. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.