Mark Ornstein, M.D.
NPI 1912089681 · Internal Medicine Physician · Farmingdale, NJ
Mark Ornstein, M.D. is a Internal Medicine Physician provider in Farmingdale, NJ (NPI 1912089681).
Provider details
- NPI number
- 1912089681
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA04828700 (NJ)
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
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
- 2006-10-20
- Last updated
- 2012-04-26
Frequently asked questions
- What is Mark Ornstein's NPI number?
- Mark Ornstein's National Provider Identifier (NPI) is 1912089681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ornstein's specialty?
- Mark Ornstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ornstein located?
- Mark Ornstein's practice location on file with NPPES is 43 Main St, Farmingdale, NJ 07727-1340.
- What is Mark Ornstein's phone number?
- The practice phone number listed in the NPPES registry for Mark Ornstein is (732) 449-0914.
- Is Mark Ornstein's NPI active?
- Yes — Mark Ornstein's NPI (1912089681) is active in the NPPES registry as of the last update on 2012-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.