Mark Heiman, MD
NPI 1447278064 · Cardiovascular Disease Physician · Stamford, CT
Mark Heiman, MD is a Cardiovascular Disease Physician provider in Stamford, CT (NPI 1447278064).
Provider details
- NPI number
- 1447278064
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 032218 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2006-07-18
- Last updated
- 2010-08-05
Frequently asked questions
- What is Mark Heiman's NPI number?
- Mark Heiman's National Provider Identifier (NPI) is 1447278064, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Heiman's specialty?
- Mark Heiman is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Heiman located?
- Mark Heiman's practice location on file with NPPES is 1177 Summer St, Stamford, CT 06905-5572.
- What is Mark Heiman's phone number?
- The practice phone number listed in the NPPES registry for Mark Heiman is (203) 353-1133.
- Is Mark Heiman's NPI active?
- Yes — Mark Heiman's NPI (1447278064) is active in the NPPES registry as of the last update on 2010-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.