IndividualActive
Michael Rosenbaum, M.D.
NPI 1932193877 · Dermatology Physician · Chelmsford, MA
Michael Rosenbaum, M.D. is a Dermatology Physician provider in Chelmsford, MA (NPI 1932193877).
Provider details
- NPI number
- 1932193877
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 44591 (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
6 Courthouse Ln
Chelmsford, MA 01824-1724
Phone: (978) 934-9294
Fax: (978) 934-0056
Street-level locationGet directions
Mailing address
6 Courthouse Ln
Chelmsford, MA 01824-1724
Registry dates
- Enumerated
- 2005-09-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Rosenbaum's NPI number?
- Michael Rosenbaum's National Provider Identifier (NPI) is 1932193877, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Rosenbaum's specialty?
- Michael Rosenbaum is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Rosenbaum located?
- Michael Rosenbaum's practice location on file with NPPES is 6 Courthouse Ln, Chelmsford, MA 01824-1724.
- What is Michael Rosenbaum's phone number?
- The practice phone number listed in the NPPES registry for Michael Rosenbaum is (978) 934-9294.
- Is Michael Rosenbaum's NPI active?
- Yes — Michael Rosenbaum's NPI (1932193877) 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.