NPPES file of Aug 9, 2026

Patrick Andrew Demarco, D.M.D.

Endodontics · Erie, PA

Patrick Andrew Demarco, D.M.D. is an endodontics with a practice address in Erie, Pennsylvania, and NPI 1023136025, issued on Mar 27, 2007. Check the license (Pennsylvania DS029037L, as entered in NPPES) with the Pennsylvania board that licenses this profession; 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
1023136025
Name
Patrick Andrew Demarco
Credential
D.M.D.
Primary taxonomy
Endodontics 1223E0200X
License number
DS029037L PA
Self-reported in NPPES; status is on the state search
Practice location
1001 State St, Erie, PA 16501
Phone
(814) 455-6991
Enumerated
Mar 27, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(814) 451-0676
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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8 nearest endodontics records → All 246 in Pennsylvania → Look up another NPI →

Also registered at 1001 State St

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

  1. Barbara Edwards, MAClinical Child & Adolescent Psychologist1386718120
  2. Kathleen Siepel, M.A,Psychologist1790075372

Verify Patrick Andrew Demarco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license DS029037L    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
Find the Pennsylvania license search

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55% fewer Medicare Part D claims than the average endodontics in 2024

54 Medicare Part D claims for 47 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Patrick Demarco54
  2. Specialty average121

Most prescribed

  1. Amoxicillin32 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.

Patrick Andrew Demarco among 246 endodontics records in Pennsylvania

Patrick Andrew Demarco, D.M.D. is one of 246 endodontics records with a practice address in Pennsylvania. 68% 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 37% of them.

  • NPI issued2007 · 37% of these records are older, 43% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Pennsylvania

There are 246 endodontics records in Pennsylvania.

All 246 in Pennsylvania → Every provider in Erie → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. Marlind Stiles, DMDErie, PA 165081043497183
  2. James Wilcko, D.M.D.Erie, PA 165091205146644
  3. Mina Saad, DMDAltoona, PA 166021427119544
  4. Andrew Michanowicz, DMD MDSHollidaysburg, PA 166481699782524
  5. Marc Hertzberg, D.M.D.State College, PA 168011306836028
  6. Jakub Pelka, D.M.D.State College, PA 168011215249313
  7. Mark Richey, DMD, MSState College, PA 168011952565566
  8. Robert Saylor, DDSState College, PA 168011962541862

Common questions

What is Patrick Andrew Demarco, D.M.D.'s NPI number?

Patrick Andrew Demarco, D.M.D.'s National Provider Identifier (NPI) is 1023136025, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Patrick Andrew Demarco, D.M.D. located?

The NPPES record lists a practice address at 1001 State St, Erie, PA, 16501. Phone: (814) 455-6991. Providers update this record themselves, so call before visiting.

How can I verify Patrick Andrew Demarco, D.M.D.'s license?

NPPES lists Pennsylvania license number DS029037L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Patrick Andrew Demarco, D.M.D. prescribe under Medicare Part D?

In 2024, Patrick Andrew Demarco, D.M.D. had 54 Medicare Part D claims for 47 beneficiaries; the average among endodontics prescribers was 121. 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.