Erik Knelson, M.D., PH.D.
NPI 1528449717 · Internal Medicine Physician · Boston, MA
Erik Knelson, M.D., PH.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1528449717).
Provider details
- NPI number
- 1528449717
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 263034 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
Mailing address
Registry dates
- Enumerated
- 2015-06-12
- Last updated
- 2019-02-09
Frequently asked questions
- What is Erik Knelson's NPI number?
- Erik Knelson's National Provider Identifier (NPI) is 1528449717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erik Knelson's specialty?
- Erik Knelson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Erik Knelson located?
- Erik Knelson's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Erik Knelson's phone number?
- The practice phone number listed in the NPPES registry for Erik Knelson is (617) 732-5500.
- Is Erik Knelson's NPI active?
- Yes — Erik Knelson's NPI (1528449717) is active in the NPPES registry as of the last update on 2019-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.