IndividualActive
John O'Loughlin, M.D.
NPI 1477648582 · Allergy Physician · Leominster, MA
John O'Loughlin, M.D. is a Allergy Physician provider in Leominster, MA (NPI 1477648582).
Provider details
- NPI number
- 1477648582
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 28368 (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
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
80 Erdman Way
Suite 315.
Leominster, MA 01453
Phone: (978) 537-4805
Fax: (978) 537-2185
Street-level locationGet directions
Mailing address
80 Erdman Way
Leominster, MA 01453
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2014-06-13
Frequently asked questions
- What is John O'Loughlin's NPI number?
- John O'Loughlin's National Provider Identifier (NPI) is 1477648582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John O'Loughlin's specialty?
- John O'Loughlin is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is John O'Loughlin located?
- John O'Loughlin's practice location on file with NPPES is 80 Erdman Way, Leominster, MA 01453.
- What is John O'Loughlin's phone number?
- The practice phone number listed in the NPPES registry for John O'Loughlin is (978) 537-4805.
- Is John O'Loughlin's NPI active?
- Yes — John O'Loughlin's NPI (1477648582) is active in the NPPES registry as of the last update on 2014-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.