John O'Malley, M.D., PH.D.
NPI 1790002855 · Dermatology Physician · Boston, MA
John O'Malley, M.D., PH.D. is a Dermatology Physician provider in Boston, MA (NPI 1790002855).
Provider details
- NPI number
- 1790002855
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2010-04-29
- Last updated
- 2014-08-13
Frequently asked questions
- What is John O'Malley's NPI number?
- John O'Malley's National Provider Identifier (NPI) is 1790002855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John O'Malley's specialty?
- John O'Malley is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is John O'Malley located?
- John O'Malley's practice location on file with NPPES is 221 Longwood Ave, Boston, MA 02115-5804.
- What is John O'Malley's phone number?
- The practice phone number listed in the NPPES registry for John O'Malley is (617) 732-4918.
- Is John O'Malley's NPI active?
- Yes — John O'Malley's NPI (1790002855) is active in the NPPES registry as of the last update on 2014-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.