Mark Zwanger, M.D.
NPI 1285659185 · Emergency Medicine Physician · Betterton, MD
Mark Zwanger, M.D. is a Emergency Medicine Physician provider in Betterton, MD (NPI 1285659185).
Provider details
- NPI number
- 1285659185
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD041325E (PA)
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
- 2006-07-12
- Last updated
- 2015-05-05
Frequently asked questions
- What is Mark Zwanger's NPI number?
- Mark Zwanger's National Provider Identifier (NPI) is 1285659185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Zwanger's specialty?
- Mark Zwanger is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Zwanger located?
- Mark Zwanger's practice location on file with NPPES is 15 Bayside Blvd, Betterton, MD 21610-9701.
- What is Mark Zwanger's phone number?
- The practice phone number listed in the NPPES registry for Mark Zwanger is (215) 704-2818.
- Is Mark Zwanger's NPI active?
- Yes — Mark Zwanger's NPI (1285659185) is active in the NPPES registry as of the last update on 2015-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.