Karen Midthun, M.D.
NPI 1821282385 · Infectious Disease Physician · Rockville, MD
Karen Midthun, M.D. is a Infectious Disease Physician provider in Rockville, MD (NPI 1821282385).
Provider details
- NPI number
- 1821282385
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- D0027765 (MD)
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
18 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
- 2007-08-28
- Last updated
- 2007-08-28
Frequently asked questions
- What is Karen Midthun's NPI number?
- Karen Midthun's National Provider Identifier (NPI) is 1821282385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Midthun's specialty?
- Karen Midthun is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Midthun located?
- Karen Midthun's practice location on file with NPPES is 1401 Rockville Pike, Rockville, MD 20852-1428.
- What is Karen Midthun's phone number?
- The practice phone number listed in the NPPES registry for Karen Midthun is (301) 827-0372.
- Is Karen Midthun's NPI active?
- Yes — Karen Midthun's NPI (1821282385) is active in the NPPES registry as of the last update on 2007-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.