MD1, Inc
NPI 1538768239 · Emergency Medical Services (Emergency Medicine) Physician · Fairfield, NJ
MD1, Inc is a Emergency Medical Services (Emergency Medicine) Physician organization in Fairfield, NJ (NPI 1538768239).
Provider details
- NPI number
- 1538768239
- Entity type
- Organization
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Merlin, Ceo(844) 631-3627
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 35 W 35th St Fl 6New York, NY 10001-2205Phone: (844) 631-3627
Registry dates
- Enumerated
- 2020-10-22
- Last updated
- 2020-10-22
- Certified
- 2020-10-22
Frequently asked questions
- What is MD1, Inc's NPI number?
- MD1, Inc's National Provider Identifier (NPI) is 1538768239, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is MD1, Inc?
- MD1, Inc is classified in the NPPES registry as Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is MD1, Inc located?
- MD1, Inc's practice location on file with NPPES is 55 Lane Rd Ste 300, Fairfield, NJ 07004-1015.
- What is MD1, Inc's phone number?
- The practice phone number listed in the NPPES registry for MD1, Inc is (844) 631-3627.
- Who is the authorized official for MD1, Inc?
- The authorized official listed on MD1, Inc's NPPES record is Mark Merlin, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is MD1, Inc's NPI active?
- Yes — MD1, Inc's NPI (1538768239) is active in the NPPES registry as of the last update on 2020-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.