Michael Marenchic, MD
NPI 1720018732 · Emergency Medicine Physician · Lancaster, PA
Michael Marenchic, MD is a Emergency Medicine Physician provider in Lancaster, PA (NPI 1720018732).
Provider details
- NPI number
- 1720018732
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G33236 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2016-06-23
Frequently asked questions
- What is Michael Marenchic's NPI number?
- Michael Marenchic's National Provider Identifier (NPI) is 1720018732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Marenchic's specialty?
- Michael Marenchic is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Marenchic located?
- Michael Marenchic's practice location on file with NPPES is 35 Wilson Dr, Lancaster, PA 17603-4741.
- What is Michael Marenchic's phone number?
- The practice phone number listed in the NPPES registry for Michael Marenchic is (858) 864-7777.
- Is Michael Marenchic's NPI active?
- Yes — Michael Marenchic's NPI (1720018732) is active in the NPPES registry as of the last update on 2016-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.