IndividualActive
Harold Longmaid, MD
NPI 1124015615 · Diagnostic Radiology Physician · Milton, MA
Harold Longmaid, MD is a Diagnostic Radiology Physician provider in Milton, MA (NPI 1124015615).
Provider details
- NPI number
- 1124015615
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 57900 (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
92 Highland Ave
Milton, MA 02186
Phone: (617) 696-4600
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 9135
Brookline, MA 02446-9135
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Harold Longmaid's NPI number?
- Harold Longmaid's National Provider Identifier (NPI) is 1124015615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Longmaid's specialty?
- Harold Longmaid is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Longmaid located?
- Harold Longmaid's practice location on file with NPPES is 92 Highland Ave, Milton, MA 02186.
- What is Harold Longmaid's phone number?
- The practice phone number listed in the NPPES registry for Harold Longmaid is (617) 696-4600.
- Is Harold Longmaid's NPI active?
- Yes — Harold Longmaid's NPI (1124015615) 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.