Ruth Greenfield, M.D.
NPI 1831272095 · Cardiovascular Disease Physician · Durham, NC
Ruth Greenfield, M.D. is a Cardiovascular Disease Physician provider in Durham, NC (NPI 1831272095).
Provider details
- NPI number
- 1831272095
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 39148 (NC)
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
- 2006-10-23
- Last updated
- 2013-03-22
Frequently asked questions
- What is Ruth Greenfield's NPI number?
- Ruth Greenfield's National Provider Identifier (NPI) is 1831272095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Greenfield's specialty?
- Ruth Greenfield is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ruth Greenfield located?
- Ruth Greenfield's practice location on file with NPPES is Duke University Medical Ctr, Durham, NC 27710-0001.
- What is Ruth Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Ruth Greenfield is (919) 620-4467.
- Is Ruth Greenfield's NPI active?
- Yes — Ruth Greenfield's NPI (1831272095) is active in the NPPES registry as of the last update on 2013-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.