Michael G. Marenchic, MD
Emergency Medicine Physician · Lancaster, PA
Michael G. Marenchic, MD is an emergency medicine physician with a practice address in Lancaster, Pennsylvania, and NPI 1720018732, issued on Jul 4, 2006. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael G. Marenchic
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- G33236 CA
65796 WI
Self-reported in NPPES; status is on the state search - Practice location
- 35 Wilson Dr, Lancaster, PA 17603
- Phone
- (858) 864-7777
- Enumerated
- Jul 4, 2006
- Record last updated
- Jun 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 00G332360 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Verify Michael G. Marenchic in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average emergency medicine physician in 2024
36 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Michael G. Marenchic among 3,911 emergency medicine physician records in Pennsylvania
Michael G. Marenchic, MD is one of 3,911 emergency medicine 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 5% of them.
- NPI issued2006 · 5% of these records are older, 69% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2016 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Pennsylvania
There are 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Lancaster → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Richard Birrer, MDLancaster, PA 176031013050202
- Madhurima Kumar, M.D.Lancaster, PA 176031811930498
- Kenneth Laird, MDLancaster, PA 176031366491730
- Stephen Roda, DOLancaster, PA 176031649231515
- Stephen Schwartz, MDLancaster, PA 176031851330609
- William Adams, MDLancaster, PA 176041750368684
- Don Berkow, MDLancaster, PA 176021407833700
- Jonathan Gish, MDLancaster, PA 176021730166679
Common questions
What is Michael G. Marenchic, MD's NPI number?
Michael G. Marenchic, MD's National Provider Identifier (NPI) is 1720018732, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael G. Marenchic, MD located?
The NPPES record lists a practice address at 35 Wilson Dr, Lancaster, PA, 17603. Phone: (858) 864-7777. Providers update this record themselves, so call before visiting.
How can I verify Michael G. Marenchic, MD's license?
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 Michael G. Marenchic, MD prescribe under Medicare Part D?
In 2024, Michael G. Marenchic, MD had 36 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.