IndividualActive
L Hartley, MD
NPI 1588616809 · Cardiovascular Disease Physician · Boston, MA
L Hartley, MD is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1588616809).
Provider details
- NPI number
- 1588616809
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 31279 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
75 Francis Street Pbb1
Brigham and Womens Hospital Cardiovascular Division
Boston, MA 02115
Phone: (617) 732-5315
Street-level locationGet directions
Mailing address
111 Cypress St
Brookline, MA 02445
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is L Hartley's NPI number?
- L Hartley's National Provider Identifier (NPI) is 1588616809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is L Hartley's specialty?
- L Hartley is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is L Hartley located?
- L Hartley's practice location on file with NPPES is 75 Francis Street Pbb1, Boston, MA 02115.
- What is L Hartley's phone number?
- The practice phone number listed in the NPPES registry for L Hartley is (617) 732-5315.
- Is L Hartley's NPI active?
- Yes — L Hartley's NPI (1588616809) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.