David Krohn, M.D.
NPI 1689643298 · Internal Medicine Physician · Wellesley, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Krohn, M.D. is a Internal Medicine Physician provider in Wellesley, MA (NPI 1689643298).
Provider details
- NPI number
- 1689643298
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 41934 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-03-16
- Last updated
- 2011-06-27
Frequently asked questions
- What is David Krohn's NPI number?
- David Krohn's National Provider Identifier (NPI) is 1689643298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Krohn's specialty?
- David Krohn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Krohn located?
- David Krohn's practice location on file with NPPES is 230 Worcester St, Wellesley, MA 02481-5420.
- What is David Krohn's phone number?
- The practice phone number listed in the NPPES registry for David Krohn is (781) 431-5205.
- Does David Krohn accept Medicare?
- David Krohn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Krohn's NPI active?
- Yes — David Krohn's NPI (1689643298) is active in the NPPES registry as of the last update on 2011-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.